Updated on 2024/04/08

写真a

 
Kousaka Yusuke
 
Organization
Graduate School of Engineering Division of Physics and Electronics Associate Professor
School of Engineering Department of Physics and Electronics
Title
Associate Professor
Affiliation
Institute of Engineering

Position

  • Graduate School of Engineering Division of Physics and Electronics 

    Associate Professor  2024.04 - Now

  • Graduate School of Engineering Division of Physics and Electronics 

    Assistant Professor  2022.04 - 2024.03

  • School of Engineering Department of Physics and Electronics 

    Associate Professor  2024.04 - Now

  • School of Engineering Department of Physics and Electronics 

    Assistant Professor  2022.04 - 2024.03

Degree

  • 博士(理学) ( Aoyama Gakuin University )

Research Areas

  • Natural Science / Semiconductors, optical properties of condensed matter and atomic physics  / 結晶成長

  • Natural Science / Magnetism, superconductivity and strongly correlated systems  / 強相関系

Research Interests

  • Chirality

Research subject summary

  • 不斉無機結晶育成

  • キラル磁性体

Papers

  • Spiral band structure hidden in the bulk chiral crystal NbSi2 Reviewed International coauthorship

    C. Zhang, T. Shishidou, R. Amano, K. Miyamoto, T. Sayo, C. Shimada, Y. Kousaka, M. Weinert, Y. Togawa, and T. Okuda

    Physical Review B   108 ( 23 )   235164   2023.12( ISSN:24699950

     More details

    International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevB.108.235164

  • Revisiting the magnetic structure of Holmium at high pressure by using neutron diffraction Reviewed International coauthorship

    M. Pardo-Sainz, F. Cova, J. A. Rodríguez-Velamazán, I. Puente-Orench, Y. Kousaka, M. Mito, and J. Campo

    Scientific Reports   13 ( 1 )   12168   2023.12

     More details

    International / domestic magazine:International journal  

    DOI: 10.1038/s41598-023-39284-2

    PubMed

  • Presence of a chiral soliton lattice in the chiral helimagnet MnTa3S6 Reviewed

    Y. Miyagi, J. Jiang, K. Ohishi, Y. Kawamura, J. Suzuki, D. R. Alshalawi, J. Campo, Y. Kousaka, and Y. Togawa

    APL Materials   11 ( 10 )   101105   2023.10

     More details

    International / domestic magazine:International journal  

    DOI: 10.1063/5.0171790

  • Surface barrier effect as evidence of chiral soliton lattice formation in chiral dichalcogenide CrTa3S6 crystals Reviewed

    K. Mizutani, J. Jiang, K. Monden, Y. Shimamoto, Y. Kousaka, and Y. Togawa

    AIP Advances   13 ( 9 )   095125   2023.09

     More details

    International / domestic magazine:International journal  

    DOI: 10.1063/5.0166333

  • Spin polarization gate device based on the chirality-induced spin selectivity and robust nonlocal spin polarization Reviewed

    H. Shishido, Y. Hosaka, K. Monden, A. Inui, T. Sayo, Y. Kousaka, and Y. Togawa

    Journal of Chemical Physics   159 ( 6 )   064502   2023.08( ISSN:00219606

     More details

    International / domestic magazine:International journal  

    DOI: 10.1063/5.0156505

    PubMed

  • New (α β γ)-incommensurate magnetic phase discovered in the MnCr2O4 spinel at low temperatures Reviewed International coauthorship

    M. Pardo-Sainz, A. Toshima, G. André, J. Basbus, G.J. Cuello, V. Laliena, T. Honda, T. Otomo, K. Inoue, Y. Hosokoshi, Y. Kousaka, and J. Campo

    Physical Review B   107 ( 14 )   2023.04( ISSN:24699950

     More details

    International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevB.107.144401

  • Soliton locking phenomenon in bulk single crystal of monoaxial chiral magnet MnNb3S6 Reviewed

    M. Ohkuma, M. Mito, Y. Kousaka, J. Ohe, J. Akimitsu, J. Kishine, and K. Inoue

    Applied Physics Letters   122 ( 9 )   092403   2023.02( ISSN:00036951

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1063/5.0137379

  • Magnetic ground state dependent magnetostriction effects on the chiral magnet CrNb3S6 Reviewed

    M. Ohkuma, M. Mito, Y. Kousaka, J. Ohe, J. Akimitsu, J. Kishine, and K. Inoue

    Physical Review B   107 ( 5 )   054427   2023.02( ISSN:24699950

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevB.107.054427

  • Chirality-selected crystal growth and spin polarization over centimeters of transition metal disilicide crystals Reviewed

    Y. Kousaka, T. Sayo, S. Iwasaki, R. Saki, C. Shimada, H. Shishido, and Y. Togawa

    Japanese Journal of Applied Physics   62 ( 1 )   015506   2023.01( ISSN:00214922

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.35848/1347-4065/aca8e2

  • Truly chiral phonons in α-HgS Reviewed

    K. Ishito, H. Mao, Y. Kousaka, Y. Togawa, S. Iwasaki, T. Zhang, S. Murakami, J. Kishine, and T. Satoh

    Nature Physics   19 ( 1 )   35 - 39   2023.01( ISSN:17452473

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1038/s41567-022-01790-x

  • Chiral phonons: circularly polarized Raman spectroscopy and ab initio calculations in a chiral crystal tellurium Reviewed

    Kyosuke Ishito, Huiling Mao, Kaya Kobayashi, Yusuke Kousaka, Yoshihiko Togawa, Hiroaki, Kusunose, Jun-ichiro Kishine, and Takuya Sato

    Chirality   35 ( 6 )   338 - 345   2023( ISSN:08990042

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1002/chir.23544

    PubMed

  • Magnetic Phase Diagram of Cr1/3NbS2: SANS Study Reviewed International coauthorship

    A. A. Bykov, N. M. Chubova, E. V. Altinbaev, Y. Kousaka, A. S. Ovchinnikov, J. Kishine, and S. V. Grigoriev

    J. Solid State Chem.   322   123951   2023

     More details

    International / domestic magazine:International journal  

    DOI: 10.1016/j.jssc.2023.123951

  • Nonequilibrium Chiral Soliton Lattice in the Monoaxial Chiral Magnet MnNb3S6 Reviewed

    M. Ohkuma, M. Mito, H. Deguchi, Y. Kousaka, J. Ohe, J. Akimitsu, J. Kishine, and K. Inoue

    Phys. Rev. B   106   104410/1 - 104410/10   2022.09

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

  • An emergence of chiral helimagnetism or ferromagnetism governed by Cr intercalation in a dichalcogenide CrNb3S6 Reviewed

    Y. Kousaka, T. Ogura, J. Jiang, K. Mizutani, S. Iwasaki, J. Akimitsu, and Y. Togawa

    APL Materials   10 ( 9 )   090704   2022.09

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1063/5.0101351

  • Observation of Collective Resonance Modes in a Chiral Spin Soliton Lattice with Tunable Magnon Dispersion Reviewed International coauthorship

    Y. Shimamoto, Y. Matsushima, T. Hasegawa, Y. Kousaka, I. Proskurin, J. Kishine, A. S. Ovchinnikov, F. J. T. Goncalves, and Y. Togawa

    Physical Review Letters   128 ( 24 )   247203   2022.06( ISSN:00319007

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.128.247203

    PubMed

  • Magnetic Field and Pressure Phase Diagrams of the Triangular-Lattice Antiferromagnet CsCuCl3 Explored via Magnetic Susceptibility Measurements with a Proximity-Detector Oscillator Reviewed International coauthorship

    K. Nihongi, T. Kida, Y. Narumi, J. Zaccaro, Y. Kousaka, K. Inoue, K. Kindo, Y. Uwatoko, and M. Hagiwara

    Phys. Rev. B   105   184416   2022.05

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

  • Observing the Orbital Angular Momentum of Fe and Co in Chiral Magnet Fe0.75Co0.25Si Using Soft x-Ray Magnetic Circular Dichroism Reviewed

    M. Mito, M. Ohkuma, T. Tajiri, Y. Kousaka, J. Akimitsu, K. Inoue, and K. Amamiya

    Journal of Applied Physics   131   153902   2022.04

     More details

    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

  • Anisotropic Microwave Propagation in a Reconfigurable Chiral Spin Soliton Lattice

    Y. Shimamoto, F. J. T. Goncalves, T. Sogo, Y. Kousaka, and Y. Togawa

    Phys. Rev. B 雑誌   104   2021.11

  • Ellipsoidal Cycloidal Magnetic Structures in Cr1-xMoxB2 Revealed by Neutron Diffraction and Polarimetry Experiments Reviewed

    Y. Kousaka, E. Kaya, Y. Watabe, H. Ichikawa, H. Kimura, Y. Noda, M. Takeda, K. Kakurai, M. Nishi, Y. Togawa, and J. Akimitsu

    J. Phys. Soc. Jpn. 雑誌   90 ( 9 )   2021.09

     More details

    Kind of work:Joint Work  

  • Controlling avalanche soliton nucleation in a chiral soliton lattice on a monoaxial chiral magnet CrNb3S6 by dynamic strain Reviewed

    Masahiro Ohkuma, Masaki Mito, Yusuke Kousaka, Jun Akimitsu, Junichiro Kishine, and Katsuya Inoue

    Appl. Phys. Lett. 雑誌   118 ( 13 )   2021.03

     More details

    Kind of work:Joint Work  

  • Small Angle Neutron Scattering Study near Critical Field at Low Temperature in MnSi Reviewed

    K. Ohishi, Y. Kousaka, S. Iwasaki, J. Akimitsu, J. Camo, and V. Laliena

    JPS Conf. Proc. 雑誌   33   2021.03

     More details

    Kind of work:Joint Work  

  • Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4 Reviewed

    Yoshihiko Togawa, Tetsuya Akashi, Hiroto Kasai, Gary W. Paterson, Stephen McVitie, Yusuke Kousaka, Hiroyuki Shinada, Jun-ichiro Kishine, and Jun Akimitsu

    J. Phys. Soc. Jpn. 雑誌   90 ( 1 )   2021.01

     More details

    Kind of work:Joint Work  

  • Soliton locking phenomenon over finite magnetic field region in the monoaxial chiral magnet CrNb3S6 Reviewed

    M. Ohkuma, M. Mito, Y. Kousaka, T. Tajiri, J. Akimitsu, J. Kishine, and K. Inoue

    Appl. Phys. Lett. 雑誌   117 ( 23 )   2020.12

     More details

    Kind of work:Joint Work  

  • 無機キラル磁性体の不斉結晶育成を目指して ―結晶学的・磁気的キラリティの制御及びその観測― Reviewed

    髙阪勇輔

    固体物理 雑誌   55   2020.11

  • Topological metastability supported by thermal fluctuation upon formation of chiral soliton lattice in CrNb3S6 Reviewed

    T. Honda, Y. Yamasaki, H. Nakao, Y. Murakami, T. Ogura, Y. Kousaka, and J. Akimitsu

    Sci. Rep. 雑誌   10 ( 1 )   2020.10

     More details

    Kind of work:Joint Work  

  • Current-induced bulk magnetization of a chiral crystal CrNb3S6 Reviewed

    Y. Nabei, D. Hirobe, Y. Shimamoto, K. Shiota, A. Inui, Y. Kousaka, Y. Togawa, and H. M. Yamamoto

    Appl. Phys. Lett. 雑誌   117 ( 5 )   2020.08

     More details

    Kind of work:Joint Work  

  • Spontaneous magnetostriction effects in the chiral magnet CrNb3S6 Reviewed

    T. Tajiri, M. Mito, Y. Kousaka, J. Akimitsu, J. Kishine, and K. Inoue

    Phys. Rev. B 雑誌   102 ( 1 )   2020.07

     More details

    Kind of work:Joint Work  

  • Momentum-Dependent Magnon Lifetime in the Metallic Noncollinear Triangular Antiferromagnet CrB2 Reviewed

    P. Park, K. Park, T. Kim, Y. Kousaka, K. H. Lee, T. G. Perring, J. Jeong, U. Stuhr, J. Akimitsu, M. Kenzelmann, and J. Park

    Phys. Rev. Lett. 雑誌   125 ( 2 )   2020.07

     More details

    Kind of work:Joint Work  

  • Chirality-Induced Spin-Polarized State of a Chiral Crystal CrNb3S6 Reviewed

    . Inui, R. Aoki, Y. Nishiue, K. Shiota, Y. Kousaka, H. Shishido, D. Hirobe, M. Suda, J. Ohe, J. Kishine, H. M. Yamamoto, and Y. Togawa

    Phys. Rev. Lett. 雑誌   124 ( 16 )   2020.04

     More details

    Kind of work:Joint Work  

  • Magnetic Structure of a Chiral Magnet DyNi3Al9 Reviewed

    K. Iba, T. Matsumura, A. Nakao, Y. Ishikawa, K. Ohishi, R. Kiyanagi, Y. Kousaka, and S. Ohara

    JPS Conf. Proc. 雑誌   30   2020.03

     More details

    Kind of work:Joint Work  

  • Field driven recovery of the collective spin dynamics of the chiral soliton lattice Reviewed

    F. J. T. Goncalves, Y. Shimamoto, T. Sogo, G. W. Paterson, Y. Kousaka, and Y. Togawa

    Appl. Phys. Lett. 雑誌   116 ( 1 )   2020.01

     More details

    Kind of work:Joint Work  

  • Switching behavior of the magnetic resonance in a monoaxial chiral magnetic crystal CrNb3S6 Reviewed

    Y. Shimamoto、F. J. T. Goncalves、T. Sogo、Y. Kousaka、Y. Togawa

    Appl. Phys. Lett. 雑誌   115 ( 24 )   2019.12

     More details

    Kind of work:Joint Work  

  • Anomalous spiked structures in ESR signals from the chiral helimagnet CrNb3S6 Reviewed

    D. Yoshizawa、Y. Sawada、Y. Kousaka、J.-I. Kishine、Y. Togawa、M. Mito、K. Inoue、J. Akimitsu、T. Nakano、Y. Nozue、M. Hagiwara

    Phys. Rev. B 雑誌   100 ( 10 )   2019.09

     More details

    Kind of work:Joint Work  

  • Surface-size and shape dependencies of change in chiral soliton number in submillimeter-scale crystals of chiral magnet CrNb3S6 Reviewed

    M. Ohkuma、M. Mito、N. Nakamura、K. Tsuruta、J. Ohe、M. Shinozaki、Y. Kato、J. Kishine、Y. Kousaka、J. Akimitsu、K. Inoue

    AIP Advances 雑誌   9 ( 7 )   2019.07

     More details

    Kind of work:Joint Work  

  • Order and disorder in the magnetization of the chiral crystal CrNb3S6 Reviewed

    G. W. Paterson、T. Koyama、M. Shinozaki、Y. Masaki、F. J. T. Goncalves、Y. Shimamoto、T. Sogo、M. Nord、Y. Kousaka、Y. Kato、S. McVitie、Y. Togawa

    Phys. Rev. B 雑誌   99 ( 22 )   2019.06

     More details

    Kind of work:Joint Work  

  • Observation of orbital angular momentum in the chiral magnet CrNb3S6 by soft x-ray magnetic circular dichroism Reviewed

    M. Mito、H. Ohsumi、T. Shishidou、F. Kuroda、M. Weinert、K. Tsuruta、Y. Kotani、T. Nakamura、Y. Togawa、J. Kishine、Y. Kousaka、J. Akimitsu、K. Inoue

    Phys. Rev. B 雑誌   99 ( 17 )   2019.05

     More details

    Kind of work:Joint Work  

  • 偏極中性子回折法によるキラルらせん磁性体CsCuCl3の磁気的キラリティの検証 Reviewed

    髙阪勇輔

    波紋 雑誌   29 ( 1 )   2019.02

     More details

    Kind of work:Single Work  

  • Anomalous Nonreciprocal Electrical Transport on Chiral Magnetic Order Reviewed

    R. Aoki、K. Yusuke、Y. Togawa

    Phys. Rev. Lett. 雑誌   122 ( 5 )   2019.02

     More details

    Kind of work:Joint Work  

  • Anomalous Temperature Behavior of the Chiral Spin Helix in CrNb3S6 Thin Lamellae Reviewed

    Y. Togawa、J. Kishine、P. A. Nosov、T. Koyama、G. W. Paterson、S. McVitie、Y. Kousaka、J. Akimitsu、M. Ogata、A. S. Ovchinnikov

    Phys. Rev. Lett. 雑誌   122   2019.01

     More details

    Kind of work:Joint Work  

  • Tailored resonance in micrometer-sized monoaxial chiral helimagnets Reviewed

    F. J. T. Goncalves、T. Sogo、Y. Shimamoto、I. Proskurin、Vl. E. Sinitsyn、Y. Kousaka、I. G. Bostrem、J. Kishine、A. S. Ovchinnikov、Y. Togawa

    Phys. Rev. B 雑誌   98 ( 14 )   2018.10

     More details

    Kind of work:Joint Work  

  • キラルらせん磁性体CsCuCl3の結晶学的・磁気的キラリティーの検証 Reviewed

    髙阪勇輔

    日本結晶学会誌 雑誌   60 ( 4 )   2018.08

     More details

    Kind of work:Single Work  

  • Neutron diffraction study of antiferromagnetic ErNi3Ga9 in magnetic fields Reviewed

    H. Ninomiya、T. Sato、Y. Matsumoto、T. Moyoshi、A. Nakao、K. Ohishi、Y. Kousaka、J. Akimitsu、K. Inoue、S. Ohara

    Physica B 雑誌   536 ( 1 )   2018.05

     More details

    Kind of work:Joint Work  

  • Nonlinear magnetic responses at the phase boundaries around both the helimagnetic and skyrmion lattice phases in MnSi: Evaluation of robustness of non-collinear spin texture Reviewed

    K. Tsuruta、M. Mito、H. Deguchi、J. Kishine、Y. Kousaka、J. Akimitsu、K. Inoue

    Phys. Rev. B 雑誌   97 ( 9 )   2018.03

     More details

    Kind of work:Joint Work  

  • Effects of dynamic stress in magnetic superlattice of a monoaxial chiral magnet Cr1/3NbS2 Reviewed

    K. Tsuruta、M. Mito、Y. Togawa、Y. Kousaka、J. Akimitsu、K. Inoue

    J. Phys.: Conf. Ser. 雑誌   969 ( 1 )   2018.03

     More details

    Kind of work:Joint Work  

  • Geometrical protection of topological magnetic solitons in micro-processed chiral magnets Reviewed

    M. Mito、H. Ohsumi、K. Tsuruta、Y. Kotani、T. Nakamura、Y. Togawa、M. Shinozaki、Y. Kato、J. Kishine、J. Ohe、Y. Kousaka、J. Akimitsu、K. Inoue

    Phys. Rev. B 雑誌   97 ( 2 )   2018.01

     More details

    Kind of work:Joint Work  

  • Monochiral helimagnetism in homochiral crystals of CsCuCl3 Reviewed

    Y. Kousaka、T. Koyama、K. Ohishi、K. Kakurai、V. Hutanu、H. Ohsumi、T. Arima、A. Tokuda、M. Suzuki、N. Kawamura、A. Nakao、T. Hanashima、J. Suzuki、J. Campo、Y. Miyamoto、A. Sera、K. Inoue、J. Akimitsu

    Phys. Rev. Materials 雑誌   1 ( 7 )   2017.12

     More details

    Kind of work:Joint Work  

  • Chiral Soliton Lattice Formation in Monoaxial Helimagnet Yb(Ni1-xCux)3Al9 Reviewed

    T. Matsumura、Y. Kita、K. Kubo、Y. Yoshikawa、S. Michimura、T. Inami、Y. Kousaka、K. Inoue、S. Ohara

    J. Phys. Soc. Jpn. 雑誌   86 ( 12 )   2017.11

     More details

    Kind of work:Joint Work  

  • Magnetic solitons and magnetic phase diagram of the hexagonal chiral crystal CrNb3S6 in oblique magnetic fields Reviewed

    J. Yonemura、Y. Shimamoto、T. Kida、D. Yoshizawa、Y. Kousaka、S. Nishihara、F. J. T. Goncalves、J. Akimitsu、K. Inoue、M. Hagiwara、Y. Togawa

    Phys. Rev. B 雑誌   96 ( 18 )   2017.11

     More details

    Kind of work:Joint Work  

  • Magneto-chiral dichroism of CsCuCl3 Reviewed

    N. Nakagawa、N. Abe、S. Toyoda、S. Kimura、J. Zaccaro、I. Gautier-Luneau、D. Luneau、Y. Kousaka、A. Sera、M. Sera、K. Inoue、J. Akimitsu、Y. Tokunaga、T. Arima

    Phys. Rev. B 雑誌   96 ( 12 )   2017.09

     More details

    Kind of work:Joint Work  

  • Pressure-induced quantum phase transitions in the 1/2 triangular lattice antiferromagnet CsCuCl3 Reviewed

    A. Sera、Y. Kousaka、J. Akimitsu、M. Sera、K. Inoue

    Phys. Rev. B 雑誌   96 ( 1 )   2017.07

     More details

    Kind of work:Joint Work  

  • Nucleation, instability, and discontinuous phase transitions in monoaxial helimagnets with oblique fields Reviewed

    V. Laliena、J. Campo、Y. Kousaka

    Phys. Rev. B 雑誌   95 ( 22 )   2017.06

     More details

    Kind of work:Joint Work  

  • Collective resonant dynamics of the chiral spin soliton lattice in a monoaxial chiral magnetic crystal Reviewed

    F. J. T. Goncalves、T. Sogo、Y. Shimamoto、Y. Kousaka、J. Akimitsu、S. Nishihara、K. Inoue、D. Yoshizawa、M. Hagiwara、M. Mito、R. L. Stamps、I. G. Bostrem、V. E. Sinitsyn、A. S. Ovchinnikov、J. Kishine、Y. Togawa

    Phys. Rev. B 雑誌   95 ( 10 )   2017.03

     More details

    Kind of work:Joint Work  

  • S=1/2 triangular-lattice antiferromagnets Ba3CoSb2O9 and CsCuCl3: Role of spin-orbit coupling, crystalline electric field effect, and Dzyaloshinskii-Moriya interaction Reviewed

    A. Sera、Y. Kousaka、J. Akimitsu、M. Sera、T. Kawamata、Y. Koike、K. Inoue

    Phys. Rev. B 雑誌   94 ( 21 )   2016.12

     More details

    Kind of work:Joint Work  

  • Symmetry, Structure, and Dynamics of Monoaxial Chiral Magnets Reviewed

    Y. Togawa、Y. Kousaka、K. Inoue、J. Kishine

    J. Phys. Soc. Jpn. 雑誌   85 ( 11 )   2016.11

     More details

    Kind of work:Joint Work  

  • Size dependence of discrete change in magnetization in single crystal of chiral magnet Cr1/3NbS2 Reviewed

    K. Tsuruta、M. Mito、Y. Kousaka、J. Akimitsu、J. Kishine、Y. Togawa、K. Inoue

    J. Appl. Phys. 雑誌   120 ( 14 )   2016.10

     More details

    Kind of work:Joint Work  

  • Long Periodic Helimagnetic Ordering in CrM3S6 (M = Nb and Ta) Reviewed

    Y. Kousaka、T. Ogura、J. Zhang、P. Miao、S. Lee、S. Torii、T. Kamiyama、J. Campo、K. Inoue、J. Akimitsu

    J. Phys.: Conf. Ser. 雑誌   746 ( 1 )   2016.09

     More details

    Kind of work:Joint Work  

  • Understanding the H−T phase diagram of the monoaxial helimagnet Reviewed

    V. Laliena、J. Campo、Y. Kousaka

    Phys. Rev. B 雑誌   94 ( 9 )   2016.09

     More details

    Kind of work:Joint Work  

  • Chiral Surface Twists and Skyrmion Stability in Nanolayers of Cubic Helimagnets Reviewed

    A. O. Leonov、Y. Togawa、T. L. Monchesky、A. N. Bogdanov、J. Kishine、Y. Kousaka、M. Miyagawa、T. Koyama、J. Akimitsu、T. Koyama、K. Harada、S. Mori、D. McGrouther、R. Lamb、M. Krajnak、S. McVitie、R. L. Stamps、K. Inoue

    Phys. Rev. Lett. 雑誌   117 ( 8 )   2016.08

     More details

    Kind of work:Joint Work  

  • Incommensurate-commensurate transitions in the monoaxial chiral helimagnet driven by the magnetic field Reviewed

    V. Laliena、J. Campo、J. Kishine、A. S. Ovchinnikov、Y. Togawa、Y. Kousaka、K. Inoue

    Phys. Rev. B 雑誌   93 ( 13 )   2016.04

     More details

    Kind of work:Joint Work  

  • Phase diagram of the chiral magnet Cr1/3NbS2 in a magnetic field Reviewed

    K. Tsuruta、M. Mito、H. Deguchi、J. Kishine、Y. Kousaka、J. Akimitsu、K. Inoue

    Phys. Rev. B 雑誌   93 ( 10 )   2016.03

     More details

    Kind of work:Joint Work  

  • Crystal and magnetic structures of Cr1∕3NbSe2 from neutron diffraction Reviewed

    A. F. Gubkin、E. P. Proskurina、Y. Kousaka、E. M. Sherokalova、N. V. Selezneva、P. Miao、S. Lee、J. Zhang、Y. Ishikawa、S. Torii、T. Kamiyama、J. Campo、J. Akimitsu、N. V. Baranov

    J. Appl. Phys. 雑誌   119 ( 1 )   2016.01

     More details

    Kind of work:Joint Work  

  • Magnetic soliton confinement and discretization effects arising from macroscopic coherence in a chiral spin soliton lattice Reviewed

    Y. Togawa、T. Koyama、Y. Nishimori、Y. Matsumoto、S. McVitie、D. McGrouther、R. L. Stamps、Y. Kousaka、J. Akimitsu、S. Nishihara、K. Inoue、I. G. Bostrem、V. E. Sinitsyn、A. S. Ovchinnikov、J. Kishine

    Phys. Rev. B 雑誌   92 ( 22 )   2015.12

     More details

    Kind of work:Joint Work  

  • Discrete Change in Magnetization by Chiral Soliton Lattice Formation in the Chiral Magnet Cr1/3NbS2 Reviewed

    K. Tsuruta、M. Mito、Y. Kousaka、J. Akimitsu、J. Kishine、Y. Togawa、H. Ohsumi、K. Inoue

    J. Phys. Soc. Jpn. 雑誌   85 ( 1 )   2015.12

     More details

    Kind of work:Joint Work  

  • Study of Magnetic Domain Dynamics Using Nonlinear Magnetic Responses: Magnetic Diagnostics of the Itinerant Magnet MnP Reviewed

    M. Mito、H. Matsui、K. Tsuruta、H. Deguchi、J. Kishine、K. Inoue、Y. Kousaka、S. Yano、Y. Nakao、J. Akimitsu

    J. Phys. Soc. Jpn. 雑誌   84 ( 10 )   2015.09

     More details

    Kind of work:Joint Work  

  • Relation between Crystallographic and Magnetic Chiralities in a Chiral Helimagnet CsCuCl3 Reviewed

    K. Ohishi、Y. Kousaka、E. Proskurina、T. Ogura、A. Koda、J. Akimitsu、K. Inoue

    JPS Conf. Proc. 雑誌   8   2015.09

     More details

    Kind of work:Joint Work  

  • Investigation of structural changes in chiral magnet Cr1∕3NbS2 under application of pressure Reviewed

    M. Mito、T. Tajiri、K. Tsuruta、H. Deguchi、J. Kishine、K. Inoue、Y. Kousaka、Y. Nakao、J. Akimitsu

    J. Appl. Phys. 雑誌   117 ( 18 )   2015.05

     More details

    Kind of work:Joint Work  

  • Magnetic Resonance in the Chiral Helimagnet CrNb3S6 Reviewed

    D. Yoshizawa、J. Kishine、Y. Kousaka、Y. Togawa、M. Mito、J. Akimitsu、K. Inoue、M. Hagiwara

    Physics Procedia 著書   75   2015

     More details

    Kind of work:Joint Work  

  • Weak Ferromagnetism in Chiral Inorganic Compound CrSi Reviewed

    Y. Kousaka、Y. Takahashi、N. Ikeda、H. Matsui、J. Kishine、Y. Togawa、M. Miyagawa、S. Nishihara、K. Inoue、J. Akimitsu

    JPS Conf. Proc. 雑誌   3   2014.06

     More details

    Kind of work:Joint Work  

  • Crystal Growth of Chiral Magnetic Material in CsCuCl3 Reviewed

    Y. Kousaka、T. Koyama、M. Miyagawa、K. Tanaka、J. Akimitsu、K. Inoue

    J. Phys.: Conf. Ser. 雑誌   502 ( 1 )   2014.04

     More details

    Kind of work:Joint Work  

  • Spin Waves in Ferromagnetic Phase of MnP Reviewed

    S. Itoh, S. Yano, T. Yokoo, S. Satoh, D. Kawana, Y. Kousaka, J. Akimitsu, Y. Endoh

    J. Phys.: Conf. Ser. 雑誌   502 ( 1 )   2014.04

     More details

    Kind of work:Joint Work  

  • Chiral Magnetic Soliton Lattice in MnSi Reviewed

    Y. Kousaka、N. Ikeda、T. Ogura、T. Yoshii、J. Akimitsu、K. Ohishi、J. Suzuki、H. Hiraka、M. Miyagawa、S. Nishihara、K. Inoue、J. Kishine

    JPS Conf. Proc. 雑誌   2   2014.03

     More details

    Kind of work:Joint Work  

  • Magnetic excitations in ferromagnetic phase of MnP Reviewed

    S. Yano、S. Itoh、T. Yokoo、S. Satoh、D. Kawana、Y. Kousaka、J. Akimitsu、Y. Endoh

    J. Mag. Mag. Mater. 雑誌   347   2013.12

     More details

    Kind of work:Joint Work  

  • Interlayer Magnetoresistance due to Chiral Soliton Lattice Formation in Hexagonal Chiral Magnet CrNb3S6 Reviewed

    Y. Togawa、Y. Kousaka、S. Nishihara、K. Inoue、J. Akimitsu、A. S. Ovchinnikov、J. Kishine

    Phys. Rev. Lett. 雑誌   111 ( 19 )   2013.11

     More details

    Kind of work:Joint Work  

  • Three-Dimensional Near-Surface Imaging of Chirality Domains with Circularly Polarized X-rays Reviewed

    H. Ohsumi、A. Tokuda、S. Takeshita、M. Takata、M. Suzuki、N. Kawamura、Y. Kousaka、J. Akimitsu、T. Arima

    Angew. Chem. Int. Ed. 雑誌   52 ( 33 )   2013.08

     More details

    Kind of work:Joint Work  

  • Emergence of Highly Degenerate Excited States in the Frustrated Magnet MgCr2O4 Reviewed

    K. Tomiyasu、T. Yokobori、Y. Kousaka、R. I. Bewley、T. Guidi、T. Watanabe、J. Akimitsu、K. Yamada

    Phys. Rev. Lett. 雑誌   110 ( 7 )   2013.02

     More details

    Kind of work:Joint Work  

  • カイラル無機磁性体におけるカイラル磁気ソリトン格子の観測 Reviewed

    高阪勇輔、戸川欣彦、秋光純

    波紋 雑誌   23 ( 1 )   2013

     More details

    Kind of work:Joint Work  

  • Observation of elastic anomalies driven by coexisting dynamical spin Jahn-Teller effect and dynamical molecular-spin state in the paramagnetic phase of frustrated MgCr2O4 Reviewed

    T. Watanabe、S. Ishikawa、H. Suzuki、Y. Kousaka、K. Tomiyasu

    Phys. Rev. B 雑誌   86 ( 14 )   2012.10

     More details

    Kind of work:Joint Work  

  • Unconventional Magnetic Domain Structure in the Ferromagnetic Phase of MnP Single Crystals Reviewed

    T. Koyama、S. Yano、Y. Togawa、Y. Kousaka、S. Mori、K. Inoue、J. Kishine、J. Akimitsu

    J. Phys. Soc. Jpn. 雑誌   81 ( 4 )   2012.03

     More details

    Kind of work:Joint Work  

  • Chiral Magnetic Soliton Lattice on a Chiral Helimagnet Reviewed

    Y. Togawa、T. Koyama、K. Takayanagi、S. Mori、Y. Kousaka、J. Akimitsu、S. Nishihara、K. Inoue、A. Ovchinnikov、J. Kishine

    Phys. Rev. Lett. 雑誌   108 ( 10 )   2012.03

     More details

    Kind of work:Joint Work  

  • 非共鳴X線散乱によるURu2Si2の多極子秩序の検出 Reviewed

    高阪勇輔、秋光純

    固体物理 雑誌   47   2012

     More details

    Kind of work:Joint Work  

  • Neutron scattering study of spiral-type spin correlations in the frustrated spinel Mn0.07Mg0.93Cr2O4 Reviewed

    T. Yokobori、K. Tomiyasu、Y. Kousaka、H. Matsui、H. Hiraka、K. Iwasa、K. Yamada、J. Akimitsu

    J. Phys.: Conf. Ser. 雑誌   320   2011.09

     More details

    Kind of work:Joint Work  

  • Stability of hexamer-type spin excitations in the frustrated spinel Mg 1−xCr2O4−x Reviewed

    Y. Kousaka、K. Tomiyasu、T. Yokobori、K. Horigane、H. Hiraka、K. Yamada、J. Akimitsu

    J. Phys.: Conf. Ser. 雑誌   320   2011.09

     More details

    Kind of work:Joint Work  

  • Nonlinear magnetic susceptibility measurements at GPa-level pressures Reviewed

    M. Mito、S. Tominaga、Y. Komorida、H. Deguchi、S. Takagi、Y. Nakao、Y. Kousaka、J. Akimitsu

    J. Phys.: Conf. Ser. 雑誌   215   2010.04

     More details

    Kind of work:Joint Work  

▼display all

Industrial Property Rights

  • 単結晶育成方法

    髙阪勇輔, 戸川欣彦

     More details

    property_type:Patent 

Grant-in-Aid for Scientific Research

  • Enantiopure inorganic crystal growth using spin-polarized electrons

    Grant-in-Aid for Scientific Research(B)  2025

  • Enantiopure inorganic crystal growth using spin-polarized electrons

    Grant-in-Aid for Scientific Research(B)  2024

Charge of on-campus class subject

  • 電子物理工学実験1(電子物性)

    2024   Weekly class   Undergraduate

  • 電子物理系特別研究第1(電子物性)

    2024   Intensive lecture   Graduate school

  • 電子物理系特別演習第1(電子物性)

    2024   Intensive lecture   Graduate school

  • Laboratory in Electronics Experiment II

    2021   Practical Training  

  • Laboratory in Electronics Experiment I

    2021   Practical Training