1998, ISOM, Excellent Paper Award　　　　　　　　　　　　　　　

General formula of chiral anomaly for type-I and type-II Weyl semimetals
K. Morishima, K. Kondo
Applied Physics Letters, 119, 13, 131907-1, 131907-6, AIP Publishing, 29 Sep. 2021, [Peer-reviewed], [Last author, Corresponding author]
Scientific journal

A comparison of magnetoconductivities between type-I and type-II Weyl semimetals
K. Morishima, K. Kondo
Journal of Applied Physics, 129, 12, 125104, 125104, AIP Publishing, 28 Mar. 2021, [Peer-reviewed], [Last author, Corresponding author]
English, Scientific journal, 11648791

A proposal of strong and weak phases in second-order topological insulators
Shiryu Komori, Kenji Kondo
Journal of Physics Communications, 4, 12, 125005-1, 125005-12, IOP Publishing, 14 Dec. 2020, [Peer-reviewed], [Last author, Corresponding author], [International Magazine]
English, Scientific journal, Accepted Manuscript, 12776226

Theoretical comparison between skyrmion and skyrmionium motions for spintronics applications
Ishida, Yuichi, KONDO, Kenji
Japanese Journal of Applied Physics, 59, SGGI04-1, SGGI04-7, 20 Feb. 2020, [Peer-reviewed], [Last author, Corresponding author]
English, Scientific journal

Application of Singularity Theory to Bifurcation of Band Structures in Crystals
H. Teramoto, A. Tsuchida, K. Kondo, S. Izumiya, M. Toda, T. Komatsuzaki
Journal of Singularities, 21, 289, 302, Journal of Singularities, Jan. 2020, [Peer-reviewed]
English, Scientific journal

An Effect of the Gilbert Damping Constant on the Skyrmion Hall effect
Ishida Yuichi, KONDO Kenji
Journal of Magnetism and Magnetic Materials,, 493, 1, 165687-1, 165687-7, Jan. 2020, [Peer-reviewed], [Last author, Corresponding author]
English, Scientific journal

Quantum spin Hall phase in honeycomb nanoribbons with two different atoms: edge shape effect to bulk-edge correspondence
Kenji Kondo, Ren Ito
J. Phys. Commun., 3, 055007-1, 055007-12, May 2019, [Peer-reviewed], [Lead author, Corresponding author]
English

Origin of biquadratic interlayer exchange coupling in Co2MnSi-based currentperpendicular- to-plane pseudo spin valves
M. Inoue, K. Inubushi, D. Mouri, T. Tanimoto, K. Nakada, K. Kondo, M. Yamamoto, T. Uemura
Appl. Phys. Lett., 114, 062401-1, 062401-5, Feb. 2019, [Peer-reviewed]
English, Scientific journal

Symmetric and asymmetric wave-guides for multi-striped orthogonal photon-photocarrier-propagation solar cells (MOP3SC)
Akira Ishibashi, Hikaru Kobayashi, Nobuo Sawamura, Kenji Kondo, Tsuyoshi Kasai
Proceedings of the 2017 IEEE International Conference on Applied System Innovation: Applied System Innovation for Modern Technology, ICASI 2017, 1477, 1479, Institute of Electrical and Electronics Engineers Inc., 21 Jul. 2017, [Peer-reviewed]
English, International conference proceedings

Classification of Hamiltonians in neighborhoods of band crossings in terms of the theory of singularities
Hiroshi Teramoto, Kenji Kondo, Shyuichi Izumiya, Mikito Toda, Tamiki Komatsuzaki
JOURNAL OF MATHEMATICAL PHYSICS, 58, 7, 073502-1, 073502-39, Jul. 2017, [Peer-reviewed]
English, Scientific journal

Optical Simulation for Multi-Striped Orthogonal Photon-Photocarrier-Propagation Solar Cell (MOP3SC) with Redirection Waveguide
Akira Ishibashi, H. Kobayashi, T. Taniguchi, K. Kondo, T. Kasai
3D Research, 7, 4, 33 1, 5, 3D Display Research Center, 01 Dec. 2016, [Peer-reviewed]
English, Scientific journal

A Derivation of Aharonov-Casher Phase and Another Adiabatic Approximation for Pure Gauge under General Rashba Effects　　　　　　　　　　　　　　　
KONDO Kenji
SPIN, World Scientifc Publishing, Oct. 2016, [Peer-reviewed], [Invited], [Lead author, Corresponding author]
English, Scientific journal

Transient analysis of oblique Hanle signals observed in GaAs
Zhichao Lin, Kenji Kondo, Masafumi Yamamoto, Tetsuya Uemura
JAPANESE JOURNAL OF APPLIED PHYSICS, 55, 4, 04EN03, Apr. 2016, [Peer-reviewed]
English, Scientific journal

The Warping Effect of Dirac Cone by the Perturbation up to 5th Order under the Symmetry of C_3v.
Kondo Kenji, Teramoto Hiroshi
Meeting Abstracts of the Physical Society of Japan, 71, 1112, 1112, The Physical Society of Japan, 2016
Japanese,

Bi_2_Te_3_における表面の電子状態のヘキサゴナルなワーピングを解明するFuの論文により、実験によるDirac-Coneの歪みの理解が進んだ。しかしながら、特異点論の考察から、3次摂動ではミニマルなモデルではないことがわかり、3次より高次の摂動を考慮した場合、質的な変化も起こりうるので、5次までの摂動計算を行った。その結果、質的な変化はないが、有意な定量的な変化がエネルギーバンドならびにスピン分布にもたらされたので、報告する。

Edge-Illumination Scheme for Multi-striped Orthogonal Photon-Photocarrier- Propagation Solar Cells　　　　　　　　　　　　　　　
A. Ishibashi, S. White, N. Kawaguchi, K. Kondo, T. Kasai
Int. J. Eng. Tech. Res., 6, 1, 115, 117, 2016, [Peer-reviewed]

Spin filter effects in an Aharonov-Bohm ring with double quantum dots under general Rashba spin-orbit interactions
Kenji Kondo
NEW JOURNAL OF PHYSICS, 18, 013002, Dec. 2015, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Validity of the free electron model for two-dimensional electrodes
Kenji Kondo
Materials Research Society Symposium Proceedings, 1753, 60, 65, Materials Research Society, 2015, [Peer-reviewed], [Lead author, Corresponding author]
English, International conference proceedings

Magnetic Properties on FeAl Stripes and Dots Induced by Nanosecond Pulsed Laser Irradiation
H. Kaiju, Y. Yoshida, S. Watanabe, Kenji Kondo, A. Ishibashi, K. Yoshimi
J. Magn. Soc. Jpn., 38, 4, 157, 161, The Magnetics Society of Japan, Jul. 2014, [Peer-reviewed]
English, Scientific journal, We investigate magnetic properties of FeAl stripes and dots formed on the surface of Fe₅₂Al₄₈ induced by nanosecond pulsed laser irradiation. According to the in-plane magneto-optical Kerr effect (MOKE) measurements, the magnetization reversal in FeAl stripes can be explained by the domain-wall (DW) motion model, indicating that the magnetization rotates incoherently. In contrast, the in-plane and polar MOKE measurements reveal that the magnetic easy axis of the FeAl dots exists along the out-of-plane direction and the coercive force H_c shows as large as 1 kOe. These results indicate that the nanosecond pulsed laser irradiation can be expected to serve as a useful tool for obtaining magnetic nanostructures and creating high-H_c materials.

Spin transport in normal metal/insulator/topological insulator coupled to ferromagnetic insulator structures
Kenji Kondo
JOURNAL OF APPLIED PHYSICS, 115, 17, 17C701-1, 17C701-3, May 2014, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Magnetic properties on the surface of FeAl stripes induced by nanosecond pulsed laser irradiation
H. Kaiju, Y. Yoshida, S. Watanabe, K. Kondo, A. Ishibashi, K. Yoshimi
JOURNAL OF APPLIED PHYSICS, 115, 17, 17B901-1, 17B901-3, May 2014, [Peer-reviewed]
English, Scientific journal

Nanopatterns induced by pulsed laser irradiation on the surface of an Fe-Al alloy and their magnetic properties
Yutaka Yoshida, Kazuya Oosawa, Seiichi Watanabe, Hideo Kaiju, Kenji Kondo, Akira Ishibashi, Kyosuke Yoshimi
APPLIED PHYSICS LETTERS, 102, 18, 183109-1, 183109 -4, May 2013, [Peer-reviewed]
English, Scientific journal

Focused Magneto-Optic Kerr Effect Spectroscopy in Ni75Fe25 and Fe Ferromagnetic Thin Films on Organic Substrates
Kenji Kondo, Hideo Kaiju, Akira Ishibashi
JAPANESE JOURNAL OF APPLIED PHYSICS, 52, 1, 013001-1, 013001-5, Jan. 2013, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Critical effect of spin-dependent transport in a tunnel barrier on enhanced Hanle-type signals observed in three-terminal geometry
Tetsuya Uemura, Kenji Kondo, Jun Fujisawa, Ken-ichi Matsuda, Masafumi Yamamoto
APPLIED PHYSICS LETTERS, 101, 13, 132411-1, 132411-4, Sep. 2012, [Peer-reviewed]
English, Scientific journal

Tunnel barrier thickness dependence of Hanle-type signals in CoFe/MgO/n-Si and CoFe/MgO/n-Ge junctions investigated through three-terminal configuration　　　　　　　　　　　　　　　
T. Uemura, G.-f. Li, J. Fujisawa, K. Kondo, K.-i. Matsuda, M. Yamamoto
2012 Int'l Conference on Solid State Devices and Materials (SSDM 2012), Extended Abstracts (USB memory), 1223, 1224, Sep. 2012, [Peer-reviewed]
English, International conference proceedings

Spin transport in ferromagnet/semiconductor/ferromagnet structures with cubic Dresselhaus spin-orbit-interaction
Kenji Kondo
JOURNAL OF APPLIED PHYSICS, 111, 7, 07C713-1, 07C713-3, Apr. 2012, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Longitudinal and transverse exciton-spin relaxation in a single InAsP quantum dot embedded inside a standing InP nanowire using photoluminescence spectroscopy
H. Sasakura, C. Hermannstädter, S. N. Dorenbos, N. Akopian, M. P. Van Kouwen, J. Motohisa, Y. Kobayashi, H. Kumano, K. Kondo, K. Tomioka, T. Fukui, I. Suemune, V. Zwiller
Physical Review B - Condensed Matter and Materials Physics, 85, 7, 29 Feb. 2012, [Peer-reviewed]
English, Scientific journal

Longitudinal and transverse exciton-spin relaxation in a single InAsP quantum dot embedded inside a standing InP nanowire using photoluminescence spectroscopy
H. Sasakura, C. Hermannstaedter, S. N. Dorenbos, N. Akopian, M. P. van Kouwen, J. Motohisa, Y. Kobayashi, H. Kumano, K. Kondo, K. Tomioka, T. Fukui, I. Suemune, V. Zwiller
PHYSICAL REVIEW B, 85, 7, 075324-1, 075324-7, Feb. 2012, [Peer-reviewed]
English, Scientific journal

Surface roughness and magnetic properties of co ferromagnetic thin films on polyethylene naphthalate organic substrates
Hideo Kaiju, Taro Abe, Kenji Kondo, Akira Ishibashi
Journal of the Vacuum Society of Japan, 55, 4, 187, 190, 2012, [Peer-reviewed]
Japanese, International conference proceedings

Large thermoelectric voltage in point contacts of Ni ferromagnetic metals
Kenji Kondo, Hideo Kaiju, Akira Ishibashi
Materials Research Society Symposium Proceedings, 1314, 7, 12, 2011, [Peer-reviewed], [Lead author, Corresponding author]
English, International conference proceedings

Surface and interface structures and magnetic properties of Ni and Ni 75Fe25 thin films on polyethylene naphthalate Organic Substrates
Hideo Kaiju, Nubla Basheer, Taro Abe, Kenji Kondo, Akihiko Hirata, Manabu Ishimaru, Yoshihiko Hirotsu, Akira Ishibashi
Journal of the Vacuum Society of Japan, 54, 3, 203, 206, 2011, [Peer-reviewed]
Japanese, International conference proceedings

Surface Roughness and Magnetic Properties of Ni and Ni78Fe22 Thin Films on Polyethylene Naphthalate Organic Substrates
Hideo Kaiju, Nubla Basheer, Kenji Kondo, Akira Ishibashi
IEEE TRANSACTIONS ON MAGNETICS, 46, 6, 1356, 1359, Jun. 2010, [Peer-reviewed]
English, Scientific journal

Theoretical Modeling of Spin Quantum Cross Structure Devices with Noncollinear Ferromagnetic Electrodes　　　　　　　　　　　　　　　
Kenji kondo
J. Appl. Phys., 107, 09C709-1, 09C709-3, Apr. 2010, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

The fabrication of Ni quantum cross devices with a 17 nm junction and their current-voltage characteristics
Hideo Kaiju, Kenji Kondo, Akito Ono, Nobuyoshi Kawaguchi, Jonghan Won, Akihiko Hirata, Manabu Ishimaru, Yoshihiko Hirotsu, Akira Ishibashi
NANOTECHNOLOGY, 21, 1, 015301-1, 015301-6, Jan. 2010, [Peer-reviewed]
English, Scientific journal

A theoretical study and realization of new spin quantum cross structure devices using organic materials
Kondo Kenji, Kaiju Hideo, Ishibashi Akira
MRS Proceedings, 1198, E07011, E07016, Cambridge University Press, 2010, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal, We have proposed a spin quantum cross structure (SQCS) device as a candidate beyond CMOS. The SQCS device consists of two ferromagnetic metal thin films with their edges crossed, and sandwiches a few atoms or molecules. In this work, the spin dependent transport formula has been derived for SQCS devices with collinear ferromagnetic electrodes within the framework of the Anderson Hamiltonian. Also, the calculation of the magnetoresistance (MR) ratio has been done as a function of renormalized transfer matrices including magnetostriction effects and the other effects phenomenologically. It is shown that the MR ratio can be controlled by changing the renormalized coupling constants. The MR ratio is represented by a new formula. Also, we have realized an SQCS device with Ni magnetic thin-film electrodes, sandwiching poly (3-hexylthiophene) (P3HT): 6, 6-phenyl-C61-butyric acid methyl ester (PCBM) organic molecules between both the electrodes. The current-voltage characteristics of SQCS devices were measured by a four-terminal method and agree well with the theoretical results, quantitatively.

Fabrication and Current-Voltage Characteristics of Ni Spin Quantum Cross Devices with P3HT:PCBM Organic Materials
Kaiju Hideo, Kondo Kenji, Basheer Nubla, Kawaguchi Nobuyoshi, White Susanne, Hirata Akihiko, Ishimaru Manabu, Hirotsu Yoshihiko, Ishibashi Akira
MRS Proceedings, 1252, J02081, J02086, Cambridge University Press, 2010, [Peer-reviewed]
English, Scientific journal, We have proposed spin quantum cross (SQC) devices, in which organic materials are sandwiched between two edges of magnetic thin films whose edges are crossed, towards the realization of novel beyond-CMOS switching devices. In SQC devices, nanometer-size junctions can be produced since the junction area is determined by the film thickness. In this study, we have fabricated Ni SQC devices with poly-3-hexylthiophene (P3HT): 6, 6-phenyl C61-butyric acid methyl ester (PCBM) organic materials and investigated the current-voltage (I-V) characteristics experimentally and theoretically. As a result of I-V measurements, ohmic I-V characteristics have been obtained at room temperature for Ni SQC devices with P3HT:PCBM organic materials, where the junction area is as small as 16 nm x 16 nm. This experimental result shows quantitative agreement with the theoretical calculation results performed within the framework of the Anderson model under the strong coupling limit. Our calculation also shows that a high on/off ratio beyond 10000:1 can be obtained in Ni SQC devices with P3HT:PCBM organic materials under the weak coupling condition.

Current-Voltage Characteristics in Nanoscale Tunnel Junctions Utilizing Thin-Film Edges
Hideo Kaiju, Kenji Kondo, Akira Ishibashi
JAPANESE JOURNAL OF APPLIED PHYSICS, 49, 10, 105203-1, 105203-5, 2010, [Peer-reviewed]
English, Scientific journal

A theoretical study and realization of new spin quantum cross structure devices using organic materials　　　　　　　　　　　　　　　
Kenji Kondo, Hideo Kaiju, Akira Ishibashi
Materials Research Society Symposium Proceedings, 1198, 45, 50, 2010
English, International conference proceedings

Theoretical and experimental results of electronic transport of spin quantum cross structure devices
Kenji Kondo, Hideo Kaiju, Akira Ishibashi
JOURNAL OF APPLIED PHYSICS, 105, 7, 07D5221, 07D5223, Apr. 2009, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Introduction to Hall Effects and Anomalous Hall Effects for the Perspective of Their Effects
KONDO Kenji
Bulletin of the Japan Institute of Metals, 48, 2, 55, 60, The Japan Institute of Metals and Materials, 01 Feb. 2009
Japanese

Ni thin films vacuum-evaporated on polyethylene naphthalate substrates with and without the application of magnetic field
Hideo Kaiju, Akito Ono, Nobuyoshi Kawaguchi, Kenji Kondo, Akira Ishibashi, Jonghan Won, Akihiko Hirata, Manabu Ishimaru, Yoshihiko Hirotsu
APPLIED SURFACE SCIENCE, 255, 6, 3706, 3712, Jan. 2009, [Peer-reviewed]
English, Scientific journal

Fabrication of Quantum Cross Devices Using Ni Thin Films on Plyethylene Naphthalate Organic Substrates
KAIJU H., KONDO K., ONO A., KAWAGUCHI N., WON J. H., HIRATA A., ISHIMARU M., HIROTSU Y., ISHIBASHI A.
Transactions of the Magnetics Society of Japan, 33, 3, 242, 246, The Magnetics Society of Japan, 2009, [Peer-reviewed]
English, Scientific journal, We fabricated quantum cross (QC) devices consisting of two Ni thin-film ribbons, deposited on polyethylenenaphthalate (PEN) substrates, in an edge-to-edge configuration. The cross-sectional area between the Ni electrodes, which was made without the use of electron-beam or optical lithography, is as small as 17 nm x 17 nm. We successfully obtained ohmic current-voltage characteristics, which show good qualitative agreement with calculationresults within the framework of the modified Anderson model under a strong coupling limit. According to thecalculation results, a high switching on/off ratio beyond 10000:1 can be realized when a molecule is sandwiched between two electrodes in QC devices.

Study of Gold Thin Films Evaporated on Polyethylene Naphthalate Films toward the Fabrication of Quantum Cross Devices
Hideo Kaiju, Akito Ono, Nobuyoshi Kawaguchi, Kenji Kondo, Akira Ishibashi
NANOSCALE PHENOMENA IN FUNCTIONAL MATERIALS BY SCANNING PROBE MICROSCOPY, 1025, B07011, B07016, 2008, [Peer-reviewed]
English, International conference proceedings

Theoretical investigation of new quantum-cross-structure device as a candidate beyond CMOS
Kondo Kenji, Kaiju Hideo, Ishibashi Akira
MRS Proceedings, 1067, B03011, B03016, Cambridge University Press, 2008, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal, We propose a new quantum cross structure (QCS) device as a candidate beyond CMOS. The QCS consists of two metal nano-ribbons having edge-to-edge configuration like crossed fins. The QCS has potential application in both switching devices and high-density memories by sandwiching a few molecules and atoms. The QCS can also have electrodes with different dimensional electron systems because we can change the widths, the lengths, and the heights of two metal nano-ribbons, respectively. Changing the dimensions of electron systems in both electrodes, we have calculated the current-voltage characteristics depending on the coupling constants between a molecule and the electrode. We find that the conductance peak is much sharper in case of weak coupling regardless of dimensions of electron systems in electrodes, compared to strong coupling case. We also find that the conductance peak of QCS having electrodes with two-dimensional electron systems (2DES) is much sharper than that of QCS having electrodes with three-dimensional electron systems (3DES) in case of strong coupling because of quantum size effect of 2DES. These results imply that the QCS with the very sharp conductance peak can serve as the devices to switch on and off by very small voltage change.

High cleanliness of portable clean-unit-box to unite clean-unit system platforms (CUSPs) and CUSP units
Md. D. Rahaman, K. Gomita, N. Kawaguchi, H. Kaiju, K. Kondo, A. Ishibashi
ELECTRONICS LETTERS, 43, 24, 1356, 1357, Nov. 2007, [Peer-reviewed]
English, Scientific journal

Analysis of origin of offset seen in astigma method when we read land-groove disk
Kenji Kondo
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 46, 1, 229, 231, Jan. 2007, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Energy spectrum of two-dimensional electron gas to be used in quantum cross structures
Kenji Kondo, Akira Ishibashi
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 45, 12, 9137, 9139, Dec. 2006, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

Quantum-Cross Tunneling Junction for High Density Memory
Hideo Kaiju, Kenji Kondo, Akira Ishibashi
MRS Proceedings, 961, Springer Science and Business Media LLC, 2006, [Peer-reviewed]
English, Scientific journal, We calculated transport properties of edge-to-edge quantum cross structure that consists of two metal nano-ribbons having edge-to-edge configuration with a tunnel barrier and showed current-voltage characteristics depending on the metal-ribbon thickness (5-30 nm), the barrier height (0.5-1.5 eV) and the barrier thickness (0.5-1.0 nm). Interesting behavior of transport properties is that the metal-ribbon thickness affects the current density due to the quantization of nano-ribbon and also the current density, being dependent on the barrier height and the barrier thickness, decreases with high and thick barrier. These calculated results indicate that we can precisely obtain the information on the material sandwiched between two electrodes, such as the barrier height and the barrier thickness, by a fit of experimental data to our derived equation, and these approaches result in a distinction between the sandwiched material and the electrode.

Current-injection induced dislocation networks in II-VI laser diodes: bottom-up structures emerging in top-down system
A Ishibashi, K Kondo
ELECTRONICS LETTERS, 40, 20, 1268, 1269, Sep. 2004, [Peer-reviewed]
English, Scientific journal

Deep UV mastering with a write compensation technique realizing over 20 GB/layer capacity disc
M Takeda, M Furuki, T Ishimoto, K Kondo, M Yamamoto, S Kubota
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 39, 2B, 797, 799, Feb. 2000, [Peer-reviewed]
English, Scientific journal

Deep UV mastering using an all-solid-state 266 nm laser for an over 20 GBytes/layer capacity disk
M Takeda, M Furuki, H Yamatsu, T Kashiwagi, Y Aki, A Suzuki, K Kondo, M Oka, S Kubota
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 38, 3B, 1837, 1838, Mar. 1999, [Peer-reviewed]
English, Scientific journal

Deep UV mastering with a write compensation technique realizing over 20GB/layer capacity disc
M Takeda, M Furuki, T Ishimoto, K Kondo, M Yamamoto, S Kubota
JOINT INTERNATIONAL SYMPOSIUM ON OPTICAL MEMORY AND OPTICAL DATA STORAGE 1999, 3864, 2, 4, 1999, [Peer-reviewed]
English, International conference proceedings

Demonstration of long-term reliability of a 266-nm, continuous-wave, frequency-quadrupled solid-state-laser using β-BaB2O4
K. Kondo, M. Oka, H. Wada, T. Fukui, N. Umezu, K. Tatsuki, S. Kubota
Opt. Lett., 23, 195, 197, Apr. 1998, [Peer-reviewed], [Lead author, Corresponding author]
English, Scientific journal

An all-solid-state continuous-wave 266nm laser for optical disk mastering
M Oka, M Takeda, T Kashiwagi, M Yamamoto, M Sakamoto, K Kondo, K Tatsuki, S Kubota
OPTICAL DATA STORAGE '98, 3401, TuA2・47-49, 44, 47, 1998
English, International conference proceedings

Reliability of Czochralski-grown beta-BaB2O4 (BBO) devices
M Umezu, T Fukui, T Okamoto, H Wada, K Tatsuki, K Kondo, S Kubota
LASER-INDUCED DAMAGE IN OPTICAL MATERIALS: 1997, PROCEEDINGS, 3244, 124, 129, 1998, [Peer-reviewed]
English, International conference proceedings

Relation between hole density and impurity density in ZnMgSSe semiconductors
K. Kondo, H. Okuyama, A. Ishibashi
Applied Physics Letters, 64, 25, 3434, 3436, AIP Publishing, 20 Jun. 1994, [Peer-reviewed], [Lead author]
English, Scientific journal

A study of internal absorption in Zn(Cd)Se/ZnMgSSe semiconductor lasers
K. Kondo, M. Ukita, H. Yoshida, Y. Kishita, H. Okuyama, S. Ito, T. Ohata, K. Nakano, A. Ishibashi
Journal of Applied Physics, 76, 5, 2621, 2626, 1994, [Peer-reviewed]
English, Scientific journal

Classification of Hamiltonians in neighborhoods of band crossings in terms of the theory of singularities (vol 58, 073502, 2017)
Hiroshi Teramoto, Kenji Kondo, Shyuichi Izumiya, Mikito Toda, Tamiki Komatsuzaki, JOURNAL OF MATHEMATICAL PHYSICS, 60, 12, Dec. 2019
English, Others

Nanoscale-junction devices utilizing magnetic thin-film edges
海住 英生, 近藤 憲治, 石丸 学, 社団法人日本磁気学会研究会資料 = Bulletin of Topical Symposium of the Magnetics Society of Japan, 194, 13, 19, 10 Jan. 2014
日本磁気学会, Japanese

Magnetic field rotation dependence of in-Plane magneto-optical Kerr effect in Co/PEN
Kaiju H., Kondo K., Abe T., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 68, 2, 371, 371, 26 Aug. 2013
The Physical Society of Japan (JPS), Japanese

Surface Magnetism and the Determination of Magneto-Optical Constant of Co/PEN using Focused Magneto-Optical Kerr Effect
Kondo K., Kaiju H., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 68, 2, 372, 372, 26 Aug. 2013
The Physical Society of Japan (JPS), Japanese

Electrical, magnetic, and structural properties in Co/Alq_3/Ni_<75>Fe_<25> junctions
Kamaya Y., Kaiju H., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 68, 2, 371, 371, 26 Aug. 2013
The Physical Society of Japan (JPS), Japanese

18pPSA-18 Focused Magneto-Optic Kerr Effect Spectroscopy in Ni_<75>Fe_<25> and Fe Ferromagnetic Thin Films on Organic Substrates
Kondo Kenji, Kaiju Hideo, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 67, 2, 404, 404, 24 Aug. 2012
The Physical Society of Japan (JPS), Japanese

18pPSA-7 A study on current-voltage characteristics in Ni_<75>Fe_<25>/Alq_3/Co junctions
Kamaya Y., Kaiju H., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 67, 2, 401, 401, 24 Aug. 2012
The Physical Society of Japan (JPS), Japanese

18pPSA-6 Magnetic properties of Co and Fe ferromagnetic thin films on polyethylene naphthalate organic substrates
Kaiju H., Abe T., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 67, 2, 401, 401, 24 Aug. 2012
The Physical Society of Japan (JPS), Japanese

18pPSA-17 Negative Magneto resistance in Ferromagnet/Semiconductor/Ferromagnet Structures with Cubic Dresselhaus Spin-Orbit-Interaction
Kondo Kenji, Meeting abstracts of the Physical Society of Japan, 67, 2, 404, 404, 24 Aug. 2012
The Physical Society of Japan (JPS), Japanese

21aPS-10 Surface morphologies and magnetic properties of Fe, Ni_<75>Fe_<25>, and Ni thin films on polyethylene naphthalate organic substrates
Kaiju H., Abe T., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 66, 2, 374, 374, 24 Aug. 2011
The Physical Society of Japan (JPS), Japanese

21pPSA-10 Fabrication of Ni/NiO/Ni nanoscale tunneling junctions utilizing thin-film edges and their current-voltage characteristics
Kaiju H., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 66, 2, 672, 672, 24 Aug. 2011
The Physical Society of Japan (JPS), Japanese

21pPSA-9 Large Thermoelectric Voltage in Point Contacts of Ni ferromagnetic Metals
Kondo K., Kaiju H., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 66, 2, 672, 672, 24 Aug. 2011
The Physical Society of Japan (JPS), Japanese

25aPS-11 Surface morphology and electromagnetic properties of Ni and Ni_<75> Fe_<25> thin films on polyethylene naphthalate organic substrates
Kaiju H., Basheer N., Kondo K., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 65, 2, 400, 400, 18 Aug. 2010
The Physical Society of Japan (JPS), Japanese

23pPSB-66 A theory of nanoscale junctions sandwiching organic molecules between the electrodes and the realization of them
Kondo K., Kaiju H., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 65, 2, 644, 644, 18 Aug. 2010
The Physical Society of Japan (JPS), Japanese

23pPSB-67 Fabrication and evaluation of Ni/P3HT:PCBM/Ni nanoscale junctions
Kaiju H., Kondo K., Basheer N., Kawaguchi N., White S., Hirata A., Ishimaru M., Hirotsu Y., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 65, 2, 644, 644, 18 Aug. 2010
The Physical Society of Japan (JPS), Japanese

26pPSB-19 Study of Ni thin films evaporated on polyethylene naphthalate organic substrates with and without the application of magnetic field
Kaiju H., Ono A., Kawaguchi N., Kondo K., Won J. H., Hirata A., Ishimaru M., Hirotsu Y., Ishibashi A., Meeting abstracts of the Physical Society of Japan, 64, 2, 822, 822, 18 Aug. 2009
The Physical Society of Japan (JPS), Japanese

25pPSA-21 Theoretical and experimental results of electronic transport of spin quantum cross structure devices
Kondo Kenji, Kaiju Hideo, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 64, 2, 342, 342, 18 Aug. 2009
The Physical Society of Japan (JPS), Japanese

25pPSB-11 Theoretical calculation of electronic transport in quantum cross devices with tunneling barrier
Kaiju Hideo, Kondo Kenji, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 64, 2, 586, 586, 18 Aug. 2009
The Physical Society of Japan (JPS), Japanese

21pXJ-1 Surface morphology of gold thin films deposited on polyethylene naphthalate organic films
Ono Akito, Kaiju Hideo, Kawaguchi Nobuyoshi, Kondo Kenji, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 62, 2, 911, 911, 21 Aug. 2007
The Physical Society of Japan (JPS), Japanese

27pYB-9 Possibility of Controlling Electrostatic Potential Symmetry in Quantum Cross Structure
Kawaguchi Nobuyoshi, Kaiju Hideo, Kondo Kenji, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 61, 1, 871, 871, 04 Mar. 2006
The Physical Society of Japan (JPS), Japanese

25aXC-1 Analysis and Realization of High Cleanliness for Processing Quantum Cross Structures
Kawaguchi Nobuyoshi, Yamagata Yoshitaka, Kaiju Hideo, Kondo Kenji, Ishibashi Akira, Meeting abstracts of the Physical Society of Japan, 60, 1, 856, 856, 04 Mar. 2005
The Physical Society of Japan (JPS), Japanese

30aWP-13 Dislocation network in aged II-VI laser diodes as a bottom-up system in Top-down structures
Ishibashi Akira, Kondo Kenji, Meeting abstracts of the Physical Society of Japan, 59, 1, 928, 928, 03 Mar. 2004
The Physical Society of Japan (JPS), Japanese

Reliability of the UV Laser (CW) : a 266nm, Continuous-wave, Frequency-quadrupled Solid State Laser using β-BaB_2O_4(BBO)
WADA Hiroyuki, FUKUI Tatsuo, UMEZU Nobuhiko, KONDO Kenji, OKAMOTO Tsutomu, OKA Michio, TATSUKI Koichi, KUBOTA Shigeo, Technical report of IEICE. LQE, 97, 313, 17, 22, 14 Oct. 1997
We report the first operation of more than 1000 hours of a 266nm continuous-wave(CW) frequency-quadrupled solid-state laser with a 100mW output. We used β-BaB_2O_4(BBO) crystal to double the green-light (532nm) using an external cavity. We established the process (crystal growth, polishing and coating) for the frequency-conversion device. The BBO crystal is grown by the Czochralski method that gives lower scattering losses than one grown by flux method. BBO crystal is polished without water because BBO is hygroscopic. The anti-reflection coating on polished surface is deposited by ionplating method resulting in very hard and dense coating., The Institute of Electronics, Information and Communication Engineers, Japanese

RECENT RESEARCH DEVELOPMENTS IN APPLIED PHYSICS, “Recent advances in magnetic thin films on flexible organic substrates　　　　　　　　　　　　　　　
H. Kaiju, K. Kondo, M. Ishimaru, Y. Hirotsu, A. Ishibashi
Transworld Research Network 2012年, 2012, [Joint work]

Introduction to Hall Effects and Anomalous Hall Effects for the Perspective of Their Effects　　　　　　　　　　　　　　　
KONDO Kenji, The Japan Institute of Metals and Materials
日本金属学会, Feb. 2009, [Single work]

The Present Status of Nano-Devices and the Theoretical Investigation on Low Dimensional Electron Gas　　　　　　　　　　　　　　　
KONDO Kenji, Chemical Industry Co.
化学工業社, Jun. 2008

A Weak Phase of Second-Order Topological Insulators　　　　　　　　　　　　　　　
S. Komori, K. Kondo
The 4th International Symposium for The Core Research Cluster for Spintronics,, 24 Feb. 2021, English, Poster presentation
24 Feb. 2021 - 25 Feb. 2021

2次のWeyl半金属の電子状態と磁気輸送特性に関する研究　　　　　　　　　　　　　　　
小森 至瑠, 近藤 憲治
第25回半導体におけるスピン工学の基礎と応用 (PASPS-25), 17 Nov. 2020
17 Nov. 2020 - 19 Nov. 2020

A Study of Magnetoresistance in Type-I and Type-II Weyl Semimetals
Kazuki Morishima, Kenji Kondo
The 65th Annual Conference on Magnetism and Magnetic Materials (MMM 2020), 04 Nov. 2020, English, Poster presentation
02 Nov. 2020 - 06 Nov. 2020, 11648791

Magnetotransport Characteristics in Second-order Weyl Semimetals
Shiryu Komori, Kenji Kondo
The 65th Annual Conference on Magnetism and Magnetic Materials (MMM 2020), 04 Nov. 2020, English, Poster presentation
02 Nov. 2020 - 06 Nov. 2020, United States, 11648791, [International presentation]

2次のワイル半金属のエキゾティックな電子状態に関する研究　　　　　　　　　　　　　　　
小森 至瑠, 近藤 憲治
第6回北海道大学部局横断シンポジウム, 19 Oct. 2020, Japanese, Poster presentation
19 Oct. 2020 - 19 Oct. 2020

Type-I 及びType-II ワイル半金属における磁気抵抗効果の違いに関する研究　　　　　　　　　　　　　　　
森島 一輝, 近藤 憲治
第6回北海道大学部局横断シンポジウム, 19 Oct. 2020, Japanese, Poster presentation
19 Oct. 2020 - 19 Oct. 2020

2 次のType-II Weyl 半金属で現れるFermi Arc
小森 至瑠, 近藤 憲治
2020年日本物理学会秋大会, 08 Sep. 2020, Japanese, Oral presentation
08 Sep. 2020 - 11 Sep. 2020, 11648791

Type-I 及びType-II ワイル半金属における磁気抵抗効果の違いに関する研究
森島一輝, 近藤 憲治
2020年日本物理学会秋大会, 08 Sep. 2020, Japanese, Oral presentation
08 Sep. 2020 - 11 Sep. 2020, 11648791

Higher-Order Topological Insulator Taking into Consideration Uniaxially Anisotropic Hopping　　　　　　　　　　　　　　　
S. Komori, K. Kondo
The 64th Annual Conference on Magnetism and Magnetic Materials(MMM2019), 06 Nov. 2019, English
[International presentation]

Topological Hall Effects and Topological Spin Hall Effects Caused by a Skyrmion and a Skyrmionium　　　　　　　　　　　　　　　
Y. Ishida, K. Kondo
The 64th Annual Conference on Magnetism and Magnetic Materials(MMM2019), 06 Nov. 2019, English
[International presentation]

一軸異方性を有するホッピングが高次トポロジカル絶縁体へ与える影響　　　　　　　　　　　　　　　
小森 至瑠, 近藤 憲治
第80回 応用物理学会秋季学術講演会, 20 Sep. 2019, Japanese, Oral presentation
[Domestic Conference]

スカーミオンによるトポロジカル・ホール効果及びトポロジカル・スピン・ホール効果　　　　　　　　　　　　　　　
石田 雄一, 近藤 憲治
第80回 応用物理学会秋季学術講演会, 20 Sep. 2019, Japanese, Oral presentation
[Domestic Conference]

Type-Ⅱワイル半金属におけるフェルミアーク　　　　　　　　　　　　　　　
森島 一輝, 近藤 憲治
第80回 応用物理学会秋季学術講演会, 19 Sep. 2019, Japanese, Oral presentation
[Domestic Conference]

高次トポロジカル絶縁体で発現するヒンジ状態のロバスト性　　　　　　　　　　　　　　　
小森 至瑠, 近藤 憲治
日本物理学会第74回年次大会（2019年）, 15 Mar. 2019

2種類の原子を加えたHoneycombナノリボンにおける2次元量子スピンホール相の研究　　　　　　　　　　　　　　　
伊藤 蓮, 近藤 憲治
第66回応用物理学会春季学術講演会, 12 Mar. 2019, Japanese
[Domestic Conference]

Manifestation of Quantum Anomalous Hall Phase in Modified Qi-Wu-Zhang Model　　　　　　　　　　　　　　　
S. Komori, K. Kondo
The 19th RIES-HOKUDAI International Symposium "So", 11 Dec. 2018, English
[International presentation]

A Study of Fermi Arcs for Weyl Semimetals and Line-Node Semimetals　　　　　　　　　　　　　　　
R. Itoh, K. Kondo
The 19th RIES-HOKUDAI International Symposium "So", 11 Dec. 2018, English
[International presentation]

Influence of the Gilbert Damping Constant on the Skyrmion Hall Effect　　　　　　　　　　　　　　　
Y. Ishida, K. Kondo
The 19th RIES-HOKUDAI International Symposium "So", 11 Dec. 2018, English
[International presentation]

A Dependence of the Skyrmion Hall Effect on the Gilbert Damping Constant"　　　　　　　　　　　　　　　
Y. Ishida, K. Kondo
2018 International Conference on Solid State Devices and Materials (SSDM2018), 13 Sep. 2018, English
[International presentation]

Normal Forms in Singularity Theory for Geometric Classifications of Band Structures　　　　　　　　　　　　　　　
Hiroshi Teramoto, Asahi Tsuchida, Yutaro Kabata, Kenji Kondo, KatsusukeNabeshima, ShyūichiIzumiya, Mikito Toda, Tamiki Komatsuzaki
Dynamics Days Europe 2018, 03 Sep. 2018, English
[International presentation]

Fermi arcs for Weyl semimetals and line-node semimetals in topological insulator superlattice　　　　　　　　　　　　　　　
R. Itoh, K. Kondo
10th International School and Conference on Physics and Applications of Spin Phenomena in Solids (PASPS10), 06 Aug. 2018, English
[International presentation]

フォトン・フォトキャリア直交型マルチストライプ 半導体太陽電池に向けた 周期配列放物線鏡付テイパー非対称導波路構造　　　　　　　　　　　　　　　
石橋 晃, 河西 剛, 近藤 憲治, 澤村 信雄
日本応用物理学会 2018年春季大会, 19 Mar. 2018, Japanese
[Domestic Conference]

トポロジカル絶縁体超格子におけるフェルミアーク　　　　　　　　　　　　　　　
伊藤 蓮, 近藤 憲治
第65回応用物理学会春季学術講演会(東京都西新宿), 17 Mar. 2018, Japanese
[Domestic Conference]

An Arbitrary Order Effective Hamiltonian of Hexagonal Warping Effects of Dirac Cone　　　　　　　　　　　　　　　
K. Kondo, H. Teramoto
The 62nd Annual Conference on Magnetism and Magnetic Materials, 09 Nov. 2017, English
[International presentation]

ディラック・コーンのヘキサゴナルな歪みの効果に対する任意次数の有効ハミルトニアンの導出
伊藤蓮, 寺本央, 近藤憲治
応用物理学会秋季学術講演会講演予稿集(CD-ROM), 25 Aug. 2017, Japanese
25 Aug. 2017 - 25 Aug. 2017

Topological Spin Currents in Graphene Nanoribbons　　　　　　　　　　　　　　　
R. Itoh, K. Kondo
Spintech IX, 07 Jun. 2017, English
[International presentation]

Symmetric and Asymmetric Wave-guides for Multi-striped Orthogonal Photon-Photocarrier-Propagation Solar Cells (MOP3SC)　　　　　　　　　　　　　　　
A. Ishibashi, H. Kobayashi, N. Sawamura, K. Kondo, T. Kasai
2017 IEEE International Conference on Applied System Innovation (IEEE ICASI 2017), May 2017, English
[International presentation]

非対称導波路結合フォトン・フォトキャリア直交型マルチストライプ半導体太陽電池用周期配列放物線鏡の作製　　　　　　　　　　　　　　　
石橋 晃, 澤村 信雄, 近藤 憲治, 河西 剛
日本応用物理学会 2017年春季大会, 15 Mar. 2017, Japanese
[Domestic Conference]

グラフェンナノリボンと量子スピンホール相　　　　　　　　　　　　　　　
伊藤 蓮, 近藤 憲治
2017年 第64回応用物理学会春季学術講演会, 14 Mar. 2017, Japanese
[Domestic Conference]

A Revisit of Quantum Spin Hall Effect in Graphene　　　　　　　　　　　　　　　
R. Itoh, K. Kondo
The 17th RIES-HOKUDAI INTERNATIONAL SYMPOSIUM on 柔, 13 Dec. 2016, English
[International presentation]

A Warping Effect of Dirac Cone by the Perturbation up to 5th Order under the Symmetry of C3v　　　　　　　　　　　　　　　
K. Kondo, H. Teramoto
The 61st Annual Conference on Magnetism and Magnetic Materials, 01 Nov. 2016, English
[International presentation]

C_3v_対称性の下での5次摂動によるDirac Coneのワーピング　　　　　　　　　　　　　　　
近藤 憲治, 寺本 央
2016年日本物理学会秋季大会, 13 Sep. 2016, Japanese
[Domestic Conference]

非対称導波路結合フォトン・フォトキャリア直交型マルチストライプ半導体太陽電池　　　　　　　　　　　　　　　
石橋 晃, 河西 剛, 近藤 憲治, 澤村 信雄
日本応用物理学会 2016年春季大会, 21 Mar. 2016, Japanese
[Domestic Conference]

The Warping Effect of Dirac Cone by the Perturbation up to 5th Order under the Symmetry of C_3v.
Kondo Kenji, Teramoto Hiroshi
Meeting Abstracts of the Physical Society of Japan, 2016, The Physical Society of Japan, Japanese
2016 - 2016, <p>Bi_2_Te_3_における表面の電子状態のヘキサゴナルなワーピングを解明するFuの論文により、実験によるDirac-Coneの歪みの理解が進んだ。しかしながら、特異点論の考察から、3次摂動ではミニマルなモデルではないことがわかり、3次より高次の摂動を考慮した場合、質的な変化も起こりうるので、5次までの摂動計算を行った。その結果、質的な変化はないが、有意な定量的な変化がエネルギーバンドならびにスピン分布にもたらされたので、報告する。</p>

3次のRashbaスピン軌道相互作用下での量子ドットからなるアハラノフ・ボーム・リングにおけるスピンフィルタリング効果　　　　　　　　　　　　　　　
近藤 憲治
日本物理学会秋季大会2015, 16 Sep. 2015, Japanese
[Domestic Conference]

任意の次数のRashbaスピン軌道相互作用下における2個の量子ドットが埋め込まれたAharonov-Bohmリングにおけるスピンフィルタリング　　　　　　　　　　　　　　　
近藤 憲治
第76回応用物理学会秋季学術講演会, 13 Sep. 2015, Japanese
[Domestic Conference]

Spin filtering in Double Quantum Dots Aharonov-Bohm Ring under Cubic Rashba Spin Orbit Interaction　　　　　　　　　　　　　　　
Kenji Kondo
The 20th International Conference on Magnetism, 06 Jul. 2015, English
[International presentation]

AC impedance characteristics of Co/Alq3/Ni75Fe25 junctions　　　　　　　　　　　　　　　
T. Sakashita, Y. Kamaya, H. Kaiju, K. Kondo, A. Ishibashi
The 15th Ries-Hokudai International Symposium joined with the 3rd International Symposium of Nano-Macro Materials, Devices, and System Research Alliance Project, 17 Dec. 2014, English
[International presentation]

Validity of the Free Electron Model for Two-Dimensional Electrodes　　　　　　　　　　　　　　　
Kenji Kondo
2014 MRS Fall Meeting, Dec. 2014, English
[International presentation]

フォトンフォトキャリア直交型高効率太陽電池用導波路の検討　　　　　　　　　　　　　　　
谷口 朝哉, 河西 剛, 近藤 憲治, 石橋 晃
第75回応用物理学会秋季学術講演会, 17 Sep. 2014, Japanese
[Domestic Conference]

Ni75Fe25/Alq3/Co接合における交流インピーダンス特性　　　　　　　　　　　　　　　
坂下 友規, 釜谷 悠介, 海住 英生, 近藤 憲治, 石橋 晃
第75回応用物理学会秋季学術講演会, 17 Sep. 2014, Japanese
[Domestic Conference]

障壁を介したトポロジカル絶縁体から半導体へのスピン注入　　　　　　　　　　　　　　　
近藤 憲治
2014年日本物理学会秋季大会, 07 Sep. 2014, Japanese
[Domestic Conference]

Negative Magnetoresistance in Ferromagnet/Semiconductor/Ferromagnet Structures with Cubic Dresselhaus Spin-Orbit-Interaction　　　　　　　　　　　　　　　
Kenji Kondo
The 14th RIES-Hokudai International Symposium, 11 Dec. 2013, English
[International presentation]

Fabrication of Ni-based Nanoscale Junctions Utilizing Thin-Film Edges and Their Structural and Electrical Properties　　　　　　　　　　　　　　　
H. Kaiju, K. Kondo, M. Ishimaru, Y. Hirotsu, A. Ishibashi
The 2013 Energy, Materials and Nanotechnology Fall Meeting, Dec. 2013, English
[International presentation]

Spin transport in normal metal/insulator/topological insulator coupled to ferromagnetic insulator structures　　　　　　　　　　　　　　　
Kenji Kondo
The 58th Annual Magnetism and Magnetic Materials Conference, Nov. 2013, English
[International presentation]

2次元金属電極における自由電子近似の妥当性　　　　　　　　　　　　　　　
近藤 憲治
日本物理学会秋季大会2013, Sep. 2013, Japanese
[Domestic Conference]

集光型磁気光学Kerr効果によるCo/PENの磁気光学定数の決定と表面磁性　　　　　　　　　　　　　　　
近藤 憲治, 海住 英生, 石橋 晃
日本物理学会秋季大会2013, Sep. 2013, Japanese
[Domestic Conference]

Co/PENにおける面内磁気光学カー効果の回転磁場依存性　　　　　　　　　　　　　　　
海住 英生, 近藤 憲治, 阿部 太郎, 石橋 晃
日本物理学会秋季大会, Sep. 2013, Japanese
[Domestic Conference]

Co/Alq3/Ni75Fe25接合における電気・磁気・構造特性　　　　　　　　　　　　　　　
釜谷 悠介, 海住 英生, 近藤 憲治, 石橋 晃
日本物理学会秋季大会, Sep. 2013, Japanese
[Domestic Conference]

外国語文献購読II　　　　　　　　　　　　　　　
北海道大学

量子デバイス物理学　　　　　　　　　　　　　　　
北海道大学

基礎物理学II（電磁気学と熱力学） （2006－2009年度）　　　　　　　　　　　　　　　
北海道大学

電子物性物理学 （トポロジカル物質の理論とスピントロニクス）　　　　　　　　　　　　　　　
北海道大学

全学教育科目（物理学III(電磁気学) 2005年度）　　　　　　　　　　　　　　　
北海道大学

スピン軌道トルクによるハーフメタル強磁性体磁化制御とそのデバイス応用
科学研究費補助金(基盤研究(B))
Apr. 2017 - Mar. 2020
植村 哲也
分担者：近藤憲治
文部科学省, Competitive research funding

量子ドット内蔵光ファイバーを用いた光子を介する遠隔電子スピン間制御
科学研究費補助金(基盤研究(B))
Apr. 2016 - Mar. 2020
笹倉 弘理
分担者：近藤憲治、熊野英和
文部科学省, Competitive research funding

トポロジカルな性質を持つ物質とその応用の研究
CSRN提案共同プロジェクト
Apr. 2016 - Mar. 2019
近藤 憲治
東北大学スピントロニクス学術連携研究教育センター(CSRN), Principal investigator, Competitive research funding

スピン軌道相互作用が強い物質及び現象のトポロジーに基づく研究とスピン素子への応用
科学研究費補助金(基盤研究(C))
2016 - 2019
近藤 憲治
文部科学省, Principal investigator, Competitive research funding

位相不変量をもつスピン現象の理論研究及びその応用デバイスの設計
科学研究費補助金(基盤研究(C))
Apr. 2012 - Mar. 2015
近藤 憲治
文部科学省, 基盤研究(C), 北海道大学, Principal investigator, Competitive research funding, 24560001

フォトン・フォトキャリア直交型マルチストライプ半導体光電変換素子の研究
科学研究費補助金(基盤研究(B))
2010 - 2012
石橋 晃, 近藤 憲治, 海住 英生
文部科学省, 基盤研究(B), 北海道大学, Coinvestigator not use grants, Competitive research funding, 22350077

スピン伝導の基礎理論構築と新規なデバイスの設計
科学研究費補助金(基盤研究(C))
2009 - 2011
近藤 憲治, 海住 英生
文部科学省, 基盤研究(C), 北海道大学, Principal investigator, Competitive research funding, 21560001

量子井戸や量子細線などのナノ空間での電子相関の理論的解明　　　　　　　　　　　　　　　
若手育成研究費
Apr. 2003 - Mar. 2005
近藤 憲治
北海道大学電子科学研究所, Principal investigator, Competitive research funding

半導体レーザ及びその製造方法
Patent right, 丸谷 幸利, 小林 俊雅, 近藤 憲治, 根本 和彦, 樋口 慶信, ソニー株式会社
特願平6-194951, 27 Jul. 1994
特開平7-297486, 10 Nov. 1995
特許第3277711号
15 Feb. 2002
200903022624077503

安定共振器を有する光学系
Patent right, 和田 裕之, 増田 久, 近藤 憲治, 岡 美智雄, ソニー株式会社
特願平9-268506, 01 Oct. 1997
特開平11-109426, 23 Apr. 1999
200903040487288630

レーザ共振器の寿命延長方法
Patent right, 近藤 憲治, 岡 美智雄, ソニー株式会社
特願平9-239248, 04 Sep. 1997
特開平11-087814, 30 Mar. 1999
200903010729572870

レーザ光発生装置
Patent right, 近藤 憲治, 岡 美智雄, ソニー株式会社
特願平9-228107, 25 Aug. 1997
特開平11-064904, 05 Mar. 1999
200903081768900995

光デバイス
Patent right, 近藤 憲治, ソニー株式会社
特願平6-071496, 15 Mar. 1994
特開平7-254756, 03 Oct. 1995
200903092546206154

多層膜中の導波光シミュレーション方法
Patent right, 近藤 憲治, ソニー株式会社
特願平5-226420, 19 Aug. 1993
特開平7-056031, 03 Mar. 1995
200903096770257738

半導体レーザーの駆動方法
Patent right, 岩本 浩治, 近藤 憲治, ソニー株式会社
特願平4-061097, 17 Feb. 1992
特開平5-226784, 03 Sep. 1993
200903023650796611

Laser beam generating apparatus　　　　　　　　　　　　　　　
Patent right, KONDO Kenji
特願US-543136
特許US-6404786

II-VI semiconductor laser with different guide layers　　　　　　　　　　　　　　　
Patent right, KONDO Kenji
特願US-394742
特許US-5572539