Publications（学術論文）

English

2024年度

140. Yusuke Kato, Yuta Suzuki, Takuro Sato, Hiroshi M. Yamamoto, Yoshihiko Togawa, Hiroaki Kusunose, Jun-ichiro Kishine
“Chirality-dependent spin polarization in diffusive metals: linear and quadratic responses”

139. Daigo Koizumi, Shingo Kisanuki, Kenta Monden, Yusuke Kousaka, Hiroaki Shishido, Yoshihiko Togawa
“Superconductivity in Ternary Germanite TaAlxGe2−x with a C40 chiral structure”
– Received 21 October 2024; Accepted 11 November 2024; Accepted version online 13 November 2024.

2023年度

138. 佐藤 琢哉, 戸川 欣彦, 楠瀬 博明, 岸根 順一郎
“真のカイラルフォノンと角運動量”
– Published 5 March 2024.

137. Kazuki Ohe, Hiroaki Shishido, Masaki Kato, Shoyo Utsumi, Hiroyasu Matsuura, and Yoshihiko Togawa
“Chirality-Induced Selectivity of Phonon Angular Momenta in Chiral Quartz Crystals”
– Received 8 April 2022; Revised 5 November 2022 and 18 October 2023; Accepted 7 December 2023; Published 30 January 2024.
DOI : 10.1103/PhysRevLett.132.056302
(a) Press Release available at OMU in Japanese. Also available at Univ. of Tokyo in Japanese and English.

136. Cheng Zhang, Tatsuya Shishidou, Ryoga Amano, Koji Miyamoto, Taisei Sayo, Chiho Shimada, Yusuke Kousaka, Michael Weinert, Yoshihiko Togawa, and Taichi Okuda
“Spiral band structure hidden in the bulk chiral crystal NbSi2”
– Received 30 July 2023; Accepted 20 November 2023; Published 21 December 2023.
DOI : 10.1103/PhysRevB.108.235164

135. Kensaku Endo, Shun Hashiyada, Tetsuya Narushima, Yoshihiko Togawa, and Hiromi Okamoto
“Circular dichroism of pseudo-2-dimensional metal nanostructures: rotational symmetry and reciprocity”
– Received 29 September 2023; Revised 13 November 2023; Accepted 28 November 2023; Published 19 December 2023.
DOI : 10.1063/5.0178943

134. Yuya Miyagi, Jialiang Jiang, Kazuki Ohishi, Yukihiko Kawamura, Jun-ichi Suzuki, Dhoha Rashed Alshalawi, Javier Campo, Yusuke Kousaka, and Yoshihiko Togawa
“Presence of a chiral soliton lattice in the chiral helimagnet MnTa3S6”
– Received 10 August 2023; Revised 8 September 2023; Accepted 18 September 2023; Published 4 October 2023.
DOI : 10.1063/5.0171790 (arXiv:2309.15982.)

133. Keigo Mizutani, Jialiang Jiang, Kenta Monden, Yusuke Shimamoto, Yusuke Kousaka, and Yoshihiko Togawa
“Surface barrier effect as an evidence of chiral soliton lattice formation in chiral dichalcogenide CrTa3S6 crystals”
– Received 04 July 2023; Revised 25 August 2023; Accepted 6 September 2023; Published September 26, 2023.
DOI : 10.1063/5.0166333 (arXiv:2309.08750.)

132. Hiroaki Shishido, Yuta Hosaka, Kento Monden, Akito Inui, Taisei Sayo, Yusuke Kousaka, and Yoshihiko Togawa
“Spin polarization gate device based on the chirality-induced spin selectivity and robust nonlocal spin polarization”
– Received 30 April, 2023; Revised 09 July 2023; Accepted 20 July 2023; Published 8 August 2023.
DOI : 10.1063/5.0156505 (arXiv:2308.04230.)

131. Y. Togawa, A. S. Ovchinnikov, and J. Kishine
“Generalized Dzyaloshinskii-Moriya Interaction and Chirality-Induced Phenomena in Chiral Crystals”
– Received December 19, 2022; accepted February 22, 2023; published online April 25, 2023.
DOI : 10.7566/JPSJ.92.081006

2022年度

130. K. Ishito, H. Mao, K. Kobayashi, Y. Kousaka, Y. Togawa, H. Kusunose, J. Kishine, and T. Satoh
“Chiral phonons: circularly polarized Raman spectroscopy and ab initio calculations in a chiral crystal tellurium”
- Received 5 December 2022; Revised 22 January 2023; Accepted 26 January 2023; First published 09 March 2023.
DOI : 10.1002/chir.23544 (arXiv:2212.02720.)

129. Y. Kousaka, T. Sayo, S. Iwasaki, R. Saki, C. Shimada, H. Shishido, and Y. Togawa
“Chirality-selected crystal growth and spin polarization over centimeters of transition metal disilicide crystals”
- Received 28 September 2022; Revised 23 November 2022; Accepted 4 December 2022; Accepted Manuscript online 5 December 2022; Published 31 January 2023.
DOI : 10.35848/1347-4065/aca8e2 (arXiv:2212.04642.)

128. K. Ishito, H. Mao, Y. Kousaka, Y. Togawa, S. Iwasaki, T. Zhang, S. Murakami, J. Kishine, and T. Satoh
“Truly chiral phonons in α-HgS”
- Received: 30 September 2021; Accepted: 5 September 2022; Published online: 31 October 2022; Issue date January 2023.
DOI : 10.1038/s41567-022-01790-x (arXiv:2110.11604.)
(a) Press Release available in Japanese. Also available at Tokyo Tech. in Japanese.
(b) SNS: OMU Twitter. Also, OMU Facebook.

127. Y. Kousaka, T. Ogura, J. Jiang, K. Mizutani, S. Iwasaki, J. Akimitsu, and Y. Togawa
“An emergence of chiral helimagnetism or ferromagnetism governed by Cr intercalation in a dichalcogenide CrNb3S6”
- Received 31 May 2022; revised 5 July 2022; accepted 21 July 2022; Published Online 22 September 2022.
DOI : 10.1063/5.0101351 (arXiv:2209.04714.)

126. Y. Shimamoto, Y. Matsushima, T. Hasegawa, Y. Kousaka, I. Proskurin, J. Kishine, A. S. Ovchinnikov, F. J. T. Goncalves, and Y. Togawa
“Observation of Collective Resonance Modes in a Chiral Spin Soliton Lattice with Tunable Magnon Dispersion”
- Received 2 January 2022; accepted 15 April 2022; published 17 June 2022.
DOI : 10.1103/PhysRevLett.128.247203
(a) Press Release available in Japanese and English.
(b) SNS: OMU Twitter. Also, OMU Facebook and OMU Twitter in English.
(c) News Sites: Originally published on EurekAlert!, AlphaGalileo, and AsiaResearchNews.
(d) Online News: PHYSORG.
(e) Newspaper: 科学新聞 (2022/7/1)

2021年度

125. Yusuke Kousaka, Satoshi Iwasaki, Taisei Sayo, Hiroshi Tanida, Takeshi Matsumura, Shingo Araki, Jun Akimitsu, and Yoshihiko Togawa
“Chirality-Controlled Enantiopure Crystal Growth of a Transition Metal Monosilicide by a Floating Zone Method”
- Published 16 March 2022.
DOI : 10.35848/1347-4065/ac4e2f (arXiv:2201.09431.)

124. Masaki Mito, Takayuki Tajiri, Yusuke Kousaka, Yoshihiko Togawa, Jun Akimitsu, Jun-ichiro Kishine, and Katsuya Inoue
“Paramagnetic magnetostriction in the chiral magnet CrNb3S6 at room temperature”
- Published 14 March 2022.
DOI:10.1103/PhysRevB.105.104412

123. Y. Shimamoto, F. J. T. Goncalves, T. Sogo, Y. Kousaka, and Y. Togawa
“Anisotropic microwave propagation in a reconfigurable chiral spin soliton lattice”
- Published 17 November 2021.
DOI:10.1103/PhysRevB.104.174420

122. Hiroaki Shishido, Rei Sakai, Yuta Hosaka, and Yoshihiko Togawa
“Detection of chirality-induced spin polarization over millimeters in polycrystalline bulk samples of chiral disilicides NbSi2 and TaSi2”
- Published Online 04 November 2021.
DOI : 10.1063/5.0074293 (arXiv:2111.03083.)

121. G. W. Paterson, G. M. Macauley, S. McVitie, and Y. Togawa
“Parallel mode differential phase contrast in transmission electron microscopy, II: K2CuF4 phase transition”
- Received 14 April 2021; revised 30 June 2021; accepted 25 July 2021, published online 31 August 2021.
DOI: 10.1017/S1431927621012575 (arXiv:2107.06280.)

120. G. W. Paterson, G. M. Macauley, S. McVitie, and Y. Togawa
“Parallel mode differential phase contrast in transmission electron microscopy, I: Theory and analysis”
- Received 14 April 2021; revised 30 June 2021; accepted 25 July 2021, published online 20 September 2021.
DOI:10.1017/S1431927621012551 (arXiv:2104.06769.)

119. Kohei Shiota, Akito Inui, Yuta Hosaka, Ryoga Amano, Yoshichika Onuki, Masato Hedo, Takao Nakama, Daichi Hirobe, Jun-ichiro Ohe, Jun-ichiro Kishine, Hiroshi M. Yamamoto, Hiroaki Shishido, and Yoshihiko Togawa
“Chirality-induced spin polarization over macroscopic distances in chiral disilicide crystals”
- Received 9 June 2021; accepted 22 July 2021; published 14 September 2021.
DOI : 10.1103/PhysRevLett.127.126602
(a) Selected as a PRL Editors' Suggestion.
(b) Featured in Synopsis in Physics, APS.

118. Yusuke Kousaka, Emi Kaya, Yasuo Watabe, Hirohiko Ichikawa, Hiroyuki Kimura, Yukio Noda, Masayasu Takeda, Kazuhisa Kakurai, Masakazu Nishi, Yoshihiko Togawa, and Jun Akimitsu
“Ellipsoidal Cycloidal Magnetic Structures in Cr1-xMoxB2 Revealed by Neutron Diffraction and Polarimetry”
- Received November 11, 2020; accepted June 29, 2021; published online September 1, 2021.
DOI : 10.7566/JPSJ.90.094711

117. 戸川欣彦
“結晶カイラリティと巨視的スピン応答 ― カイラル磁性とスピン偏極”
– Published 1 October 2021.

116. Saoto Fukui, Masaru Kato, Yoshihiko Togawa, and Osamu Sato
“Novel vortex structures in a three-dimensional superconductor under a helical magnetic field from a chiral helimagnet”
– Available online 6 July 2021.
DOI : 10.1016/j.physc.2021.1353918  

2020年度

115. Hiroaki Shishido, Akira Okumura, Tatsuya Saimyoji, Shota Nakamura, Shigeo Ohara, and Yoshihiko Togawa
“Thin film growth of heavy fermion chiral magnet YbNi3Al9”
– Published Online 8 March 2021.
DOI : 10.1063/5.0035385

114. 戸川欣彦
“カイラリティとは何か－物質科学の視点から－”
– Published 1 March 2021.

113. Yoshihiko Togawa, Tetsuya Akashi, Hiroto Kasai, Gary W. Paterson, Stephen McVitie, Yusuke Kousaka, Hiroyuki Shinada, Jun-ichiro Kishine, and Jun Akimitsu
“Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4”
– Published 7 December 2020.
DOI : 10.7566/JPSJ.90.014702
(a) Selected as Editors' choice.
(b) Press Release available in Japanese. Also, see Web news at OPU in Japanese. For details, see the following web sites [A] and [B].
(c) Featured in JPS Hot Topics 1, 032.
(d) Newpaper: 科学新聞 (2021/1/8) 第7面

112. Yoji Nabei, Daichi Hirobe, Yusuke Shimamoto, Kohei Shiota, Akito Inui, Yusuke Kousaka, Yoshihiko Togawa, and Hiroshi M. Yamamoto
“Current-induced bulk magnetization of a chiral crystal CrNb3S6”
– Published 7 August 2020.
DOI : 10.1063/5.0017882

111. G. W. Paterson, A. A. Tereshchenko, S. Nakayama, Y. Kousaka, J. Kishine, S. McVitie, A. S. Ovchinnikov, I. Proskurin, and Y. Togawa
“Tensile deformations of the magnetic chiral soliton lattice probed by Lorentz transmission electron microscopy”
– Published 21 May 2020.
DOI : 110.1103/PhysRevB.101.184424 (arXiv:1911.09634.)

110. A. 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
“Chirality-Induced Spin-Polarized State of a Chiral Crystal CrNb3S6”
– Received 1 March 2020; accepted 31 March 2020; published 21 April 2020.
DOI : 10.1103/PhysRevLett.124.166602
(a) Press Release available in Japanese and English. Also available at IMS in Japanese and English, at OUJ, and Toho.
(b) News Sites: Originally published on EurekAlert!, copies to Bioenginner, Innovations report, SciFi Beast, SciFiParadise, and SCIENCE Codex (21st Apr. 2020).
(c) Newpaper: 科学新聞 (2020/5/22) 第4面

2019年度

109. F. J. T. Goncalves, Y. Shimamoto, T. Sogo, G. W. Paterson, Y. Kousaka, and Y. Togawa
“Field driven recovery of the collective spin dynamics of the chiral soliton lattice”
(a) Selected as an Editor's Pick.

108. Y. Shimamoto, F. J. T. Goncalves, T. Sogo, Y. Kousaka, and Y. Togawa
“Switching behavior of the magnetic resonance in a monoaxial chiral magnetic crystal CrNb3S6”
(a) Selected as a Featured Article.

107. Daichi Yoshizawa, Yuya Sawada, Yusuke Kousaka, Jun-ichiro Kishine, Yoshihiko Togawa, Masaki Mito, Katsuya Inoue, Jun Akimitsu, Takehito Nakano, Yasuo Nozue, and Masayuki Hagiwara
“Anomalous spiked structures in ESR signals from the chiral helimagnet CrNb3S6”

106. Jun-ichiro Kishine, Vl.E. Sinitsyn, I.G. Bostrem, Igor Proskurin, F. J. T. Goncalves, Y. Togawa, and A. S. Ovchinnikov
“Theory of standing spin waves in finite-size chiral soliton lattice”

105. Gary W. Paterson, Tsukasa Koyama, Misako Shinozaki, Yusuke Masaki, Francisco. J. T. Goncalves, Yusuke Shimamoto, Tadayuki Sogo, Magnus Nord, Yusuke Kousaka, Yusuke Kato, Stephen McVitie, and Yoshihiko Togawa
“Order and Disorder in the Magnetization of the Chiral Crystal CrNb3S6”
(a) Selected as Editors' Suggestion.

104. Cameron Gilroy, Shun Hashiyada, Kensaku Endo, Affar Shahid Karimullah, Laurence D. Barron, Hiromi Okamoto, Yoshihiko Togawa, and Malcolm Kadodwala
“Roles of superchirality and interference in chiral plasmonic biodetection”

103. M. Mito, H. Ohsumi, T. Shishidou, F. Kuroda, M. Weinert, K. Tsuruta, Y. Kotani, T. Nakamura, Y. Togawa, J. Kishine, Y. Kousaka, J. Akimitsu, and K. Inoue
“Observation of orbital angular momentum in the chiral magnet CrNb3S6 by soft x-ray magnetic circular dichroism”

102. S. Hashiyada, K. Endo, T. Narushima, Y. Togawa, and H. Okamoto
“Spectral properties of chiral electromagnetic near fields created by chiral plasmonic nanostructures”

2018年度

101. R. Aoki, Y. Kousaka, and Y. Togawa
“Anomalous nonreciprocal electrical transport on chiral magnetic order”

100. Y. Togawa, J. Kishine, P. A. Nosov, T. Koyama, G. W. Paterson, S. McVitie, Y. Kousaka, J. Akimitsu, M. Ogata, and A. S. Ovchinnikov
“Anomalous temperature behavior of the chiral spin helix in CrNb3S6 thin lamellae”
(a) Press Release available in Japanese and English.

99. F. J. T. Goncalves, T. Sogo, Y. Shimamoto, I. Proskurin, Vl. E. Sinitsyn, Y. Kousaka, I. G. Bostrem, J. Kishine, A. S. Ovchinnikov, and Y. Togawa
“Tailored resonance in micrometer-sized monoaxial chiral helimagnets”

98. Y. Masaki, R. Aoki, Y. Togawa, and Y. Kato
“Chiral solitons in monoaxial chiral magnets in tilted magnetic field”
(a) Rapid Communication.

97. S. Fukui, M. Kato, Y. Togawa, and O. Sato
“Effects of chirality of a helical magnetic field on a superconductor”

96. S. Fukui, M. Kato, Y. Togawa, and O. Sato
“Phase Transition of Vortex States in Two-Dimensional Superconductors under a Oscillating Magnetic Field from the Chiral Helimagnet”

95. R. Aoki, Y. Togawa, and S. Ohara
“Electrical transport properties of micrometer-sized samples of the rare-earth chiral magnet YbNi3Al9”

94. M. Shinozaki, Y. Masaki, R. Aoki, Y. Togawa, and Y. Kato
“Intrinsic hysteresis due to the surface barrier for chiral solitons in monoaxial chiral helimagnets”
(a) Selected as Editors' Suggestion.

93. K. Tsuruta, M. Mito, Y. Togawa, Y. Kousaka, J. Akimitsu, and K. Inoue
“Effects of dynamic stress in magnetic superlattice of a monoaxial chiral magnet Cr1/3NbS2”

2017年度

92. G. Berruto, I. Madan, Y. Murooka, G. M. Vanacore, E. Pomarico, J. Rajeswari, R. Lamb, P. Huang, A. J. Kruchkov, Y. Togawa, T. LaGrange, D. McGrouther, H. M. Rønnow, and F. Carbone
“Laser-induced Skyrmion writing and erasing in an ultrafast cryo-Lorentz transmission electron microscope”
(a) Selected as Editors' Suggestion.
(c) News Sites: PHYSORG(2nd Mar. 2018).

91. M. Mito, H. Ohsumi, K. Tsuruta, Y. Kotani, T. Nakamura, Y. Togawa, M. Shinozaki, Y. Kato, J. Kishine, J. Ohe, Y. Kousaka, J. Akimitsu, and K. Inoue
“Geometrical protection of topological magnetic solitons in micro-processed chiral magnets”

90. J. Yonemura, Y. Shimamoto, T. Kida, D. Yoshizawa, Y. Kousaka, S. Nishihara, F. J. T. Goncalves, J. Akimitsu, K. Inoue, M. Hagiwara, Y. Togawa
“Magnetic solitons and magnetic phase diagram of the hexagonal chiral crystal CrNb3S6 in oblique magnetic fields”

89. F. J. T. Goncalves, G. W. Paterson, D. McGrouther, T. Drysdale, Y. Togawa, D. S. Schmool, R. L. Stamps
“Probing microwave fields and enabling in-situ experiments in a transmission electron microscope”

88. S. Fukui, M. Kato, Y. Togawa
“Magnetic field dependence of most stable vortex states in the chiral helimagnet/superconductor bilayer system”

87. S. Fukui, M. Kato, Y. Togawa
“Vortex states in a superconductor under a helical magnetic field”

2016年度

86. 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, and Y. Togawa
“Collective resonant dynamics of the chiral spin soliton lattice in a monoaxial chiral magnetic crystal”

85. S. Fukui, M. Kato. Y. Togawa
“Dependence of Vortex States in Superconductors on a Chiral Helimagnet and an Applied Magnetic Field”

84. S. Fukui, M. Kato. Y. Togawa
“Effects of chiral helimagnets on vortex states in a superconductor”

83. Y. Togawa, Y. Kousaka, K. Inoue, and J. Kishine
“Symmetry, Structure, and Dynamics of Monoaxial Chiral Magnets”
(a) Invited review paper. Open Access.
(b) Cover image on a website.
(d) Most Cited Articles in 2017 from Vol. 85 (2016). Precisely, the 10 articles published in 2016 that were most frequently cited in 2017.

82. K. Tsuruta, M. Mito, Y. Kousaka, J. Akimitsu, J. Kishine, Y. Togawa, and K. Inoue
“Size dependence of discrete change in magnetization in single crystal of chiral magnet Cr1/3NbS2”

81. D. McGrouther, R. Lamb, M. Krajnak, S. McFadzean, S. McVitie,R. L. Stamps, A. O. Leonov, A. N. Bogdanov, and Y. Togawa
“Internal structure of hexagonal skyrmion lattices in cubic helimagnets”

80. Y. Miyata, K. Ueno, Y. Togawa, T. Yoshimura, A. Ashida, and N. Fujimura
“Large enhancement of positive magnetoresistance by Ce doping in Si epitaxial thin films”

79. A. O. Leonov, Y. Togawa, T. L. Monchesky, A. N. Bogdanov, J. Kishine, Y. Kousaka, M. Miyagawa, T. Koyama, J. Akimitsu, Ts. Koyama, K. Harada, S. Mori, D. McGrouther, R. Lamb, M. Krajnak, S. McVitie, R. L. Stamps, and K. Inoue
“Chiral Surface Twists and Skyrmion Stability in Nanolayers of Cubic Helimagnets”

78. V. Laliena, J. Campo, J. Kishine, A. S. Ovchinnikov, Y. Togawa, Y. Kousaka, and K. Inoue
“Incommensurate-commensurate transitions in the monoaxial chiral helimagnet driven by the magnetic field”

2015年度

77. K. Tsuruta, M. Masaki, Y. Kousaka, J. Akimitsu, J. Kishine, Y. Togawa, H. Ohsumi, and K. Inoue
“Discrete Change in Magnetization by Chiral Soliton Lattice Formation in Chiral Magnet Cr1/3NbS2”
(b) Most Cited Articles in 2017 from Vol. 85 (2016). Precisely, the 10 articles published in 2016 that were most frequently cited in 2017.

76. D. Yoshizawa, J. Kishine, Y. Kousaka, Y. Togawa, M. Mito, J. Akimitsu, K. Inoue, and M. Hagiwara
“Magnetic resonance in the chiral helimagnet CrNb3S6”

75. 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, Vl. E. Sinitsyn, A. S. Ovchinnikov, and J. Kishine
“Magnetic Soliton Confinement and Discretization Effects Arising from Macroscopic Coherence in a Chiral Spin Soliton Lattice”
(a) Rapid Communication.
(b) Selected as Editors' Suggestion. Open Access
(c) Press Release available in Japanese and English.
(d) Newpapers: 日刊工業新聞(2015/12/18) 第33面, 中国新聞(2015/12/18) 第27面, 科学新聞(2016/1/1) 第4面, 日本経済新聞(2016/1/11) 第13面
(e) News Sites: e.g., AlphaGalileo(10th Feb. 2016), EurekAlert! & PHYSORG(11th Feb. 2016).

74. S. Fukui, M. Kato. Y. Togawa
“Vortex structures in a chiral helimagnet/superconductor bilayer structure”
Physics Procedia 65, 85–88 (2015), Proceedings of the 27th International Symposium on Superconductivity (ISS2014)

2014年度

73. M. Nagao, A. Hayashi, M. Tatsumisago, T. Ichinose, T. Ozaki, Y. Togawa, and S. Mori
“Li2S nanocomposites underlying high-capacity and cycling stability in all-solid-state lithium-sulfur batteries”

72. Y. Kousaka, Y. Takahashi, N. Ikeda, H. Matsui, J. Kishine, Y. Togawa, M. Miyagawa, S. Nishihara, K. Inoue, and J. Akimitsu
“Weak Ferromagnetism in Chiral Inorganic Compound CrSi”
JPS Conf. Proc. 3, 014037/1-4 (2014), Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013).

71. Y. Togawa, T. Koyama, S. Mori, Y. Kousaka, J. Akimitsu, S. Nishihara, K. Inoue, S. A. Ovchinnikov, and J. Kishine
“Chiral Soliton Lattice in Chiral Magnetic Crystal CrNb3S6”

2013年度

70. Y. Togawa, Y. Kousaka, S. Nishihara, K. Inoue, J. Akimitsu, A. S. Ovchinnikov, and J. Kishine
“Interlayer Magnetoresistance due to Chiral Soliton Lattice Formation in Hexagonal Chiral Magnet CrNb3S6”

69. T. Matsuyama, A. Sakuda, A. Hayashi, Y. Togawa, S. Mori, M. Tatsumisago
“Electrochemical properties of all-solid-state lithium batteries with amorphous titanium sulfide electrodes prepared by mechanical milling”

68. Y. Togawa
“Small-angle electron scattering of magnetic fine structures”
Microscopy 62 (Suppl 1), S75-S86 (2013). (Special Issue: “Tribute to Akira Tonomura”)

67. 戸川欣彦、小山司、森茂生
“電子線小角散乱法を用いた磁気的微細構造解析”

2012年度

66. K. Takayanagi, T. Koyama, S. Mori, K. Harada, and Y. Togawa,
“Small-angle electron scattering from magnetic artificial lattice”

65. K. Kobayashi, T. Koyama, H. Kamo, Y. Togawa, Y. Horibe, S. W. Cheong, and S. Mori,
“Doping Effect on Interlocked Ferroelectric and Structural Antiphase Domains in YMnO3”

64. T. Matsuyama, A. Hayashi, A. Sakuda, Y. Togawa, S. Mori, M. Tatsumisago
“Preparation of amorphous TiSx thin film electrodes by the PLD method and their application to all-solid-state lithium secondary batteries”

2011年度

63. Y. Togawa, T. Koyama, K. Takayanagi, S. Mori, Y. Kousaka, J. Akimitsu, S. Nishihara, K. Inoue, A. S.Ovchinnikov, and J. Kishine
“Chiral magnetic soliton lattice on chiral helimagnet”
(a) Selected as Spotlighting Exceptional Research in American Physical Society.
(c) 日経産業新聞(2012/2/28).
(d) Highly Cited Paper (Top 1%).

62 T. Koyama, S. Yano, Y. Togawa, Y. Kousaka, S. Mori, K. Inoue, J. Kishine, and J. Akimitsu
“Unconventional magnetic domain structure in the ferromagnetic phase of MnP single crystals”

61. T. Koyama, K. Takayanagi, Y. Togawa, S. Mori, and K. Harada
“Small angle electron diffraction and deflection”

60. T. Koyama, Y. Togawa, K. Takenaka, and S. Mori
“Ferromagnetic microstructures in the ferromagnetic metallic phase of La0.825Sr0.175MnO3”

2010年度

59. Y. Togawa, T. Kimura, K. Harada, A. Tonomura, and Y. Otani
“Control of magnetic domain nucleation using spin current in Permalloy nanowires”
Journal of Physics D: Applied Physics 44, 064015/1-7 (2011).

58. S. Nonoguchi, Y. Ando, Y. Togawa, and T. Kimura
“Spin transport properties in polycrystalline Gd film and strip”
IEEE Xplore TENCON2010, 1881-1884 (2010).

57. K. Takayanagi, S. Mori, and Y. Togawa
“Magnetic Ripple in Permalloy Narrow Wires Investigated by Lorentz Microscopy”
IEEE Xplore TENCON2010, 1875-1877 (2010).

56. Y. Togawa, T. Kimura, K. Harada, A. Tonomura, and Y. Otani
“Stochastic nature of current-excited magnetic domain and domain wall dynamics microscopically investigated by Lorentz microscopy”
IEEE Xplore TENCON2010, 122-125 (2010).

55. Y. Togawa, K. Takayanagi, T. Kimura, K. Harada, T. Akashi, A. Tonomura, S. Mori, and Y. Otani
“Crystalline analysis of Permalloy narrow wires subject to current pulses”
Journal of Applied Physics 107, 09A326/1-3 (2010).

54. S. Mori, K. Yoshidome, Y. Nagamine, Y. Togawa, K. Yoshii, and K. Takenaka
“Lorentz TEM observation of magnetic domains in La0.825Sr0.175(Mn,Al)O3”
Journal of Applied Physics 107, 09D306/1-3 (2010).

53. 戸川欣彦、木村崇、原田研、明石哲也、外村彰、大谷義近
“スピン流に誘起される磁化ダイナミクス”
顕微鏡（日本顕微鏡学会誌）45, 156-160 (2010).

2009年度

52. S. Mori, K. Yoshidome, Y. Nagamine, Y. Togawa, K. Yoshii, and K. Takenaka
“Magnetic properties and ferromagnetic microstructures in Al-doped La1-xSrxMnO3”
Journal of Physics: Conference Series 200, 012129/1-3 (2010).

2008年度

51. Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani
“Current-excited magnetization reversal under in-plane magnetic field in a nano-scaled ferromagnetic wire”
Applied Physics Letters 92, 012505/1-3 (2008).
(a) 2009年度風戸研究奨励賞
(b) 日本経済新聞社 2008年第一回技術トレンド調査 第12位 (2008/4/10)
(c) 日刊工業新聞、日経産業新聞、化学工業日報 (2007/12/27)
(d) 科学新聞(2008/1/11)

50. Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani
“Lorentz microscopy and electron holography studies of current-excited magnetization dynamics in Permalloy nanowires”
Proc SPIE 7036, 703617 (2008).

2007年度

49. 戸川欣彦, 原田研，松田強，外村彰，明石哲也，木村崇，大谷義近
“電子顕微鏡による電流励起磁化ダイナミクスの観察”
日本結晶学会誌 49, 307-312 (2007).

48. 戸川欣彦
“磁壁、スピントルク”
日本結晶学会誌 第49巻5号 (2007) pp. 314.

2006年度

47. Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani
“Domain nucleation and annihilation in uniformly magnetized state under current pulses in narrow ferromagnetic wires”
Jpn. J. Appl. Phys., Exp. Lett. 45, L1322 - L1324 (2006).

46. Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani
“Current-excited magnetization dynamics in narrow ferromagnetic wires”
Jpn. J. Appl. Phys., Exp. Lett. 45, L683–L685 (2006).
(a) 2008年度　応用物理学会論文賞　第３０回JJAP論文奨励賞

45. Y. Togawa, K.Harada, T.Akashi, H.Kasai, T. Matsuda, A. Maeda, and A. Tonomura
“Direct observation of rectified motion of vortices by Lorentz microscopy”
PRAMANA–J.Phys. 66, 279-287 (2006).

44. 戸川欣彦, 原田研, 松田強, 葛西裕人, 外村彰, 明石哲也, 前田京剛, フランコ ノリ
“ラチェット機構による磁束量子の運動制御”
まてりあ 45, 894 (2006).

43. K. Harada, T. Matsuda, A. Tonomura, T. Akashi, and Y. Togawa
“Triple-biprism electron inteferometry”
Journal of Applied Physics: Vol. 99, No. 11 (2006) pp. 113502/1-7.

42. 原田研、松田強、外村彰、明石哲也、戸川欣彦
“2段電子線バイプリズム干渉法による干渉縞の方位角コントロール”
まてりあ ４５巻１２号　(2006) pp. 888.

41. Y. Togawa, K. Harada, T. Akashi, H. Kasai, T. Matsuda, F. Nori, A. Maeda, and A. Tonomura
“Manipulation of vortices in niobium superconductors using ratchet system”
Proceedings of 16th International Microscopy Congress (IMC 2006) (2006) pp.1522.

40. K. Harada, T. Akashi, Y. Togawa, T. Matsuda, and A. Tonomura
“Triple-biprism electron interferometry”
Proceedings of 16th International Microscopy Congress (IMC 2006) (2006) pp.719.

39. T. Akashi, T. Matsuda, Y. Togawa, A. Sugawara, H. Kasai, T. Yoshida, K. Harada, and A, Tonomura
“Confirmation method of information transfer using “Chromatic” lattice images”
Proceedings of 16th International Microscopy Congress (IMC 2006) (2006) pp.587.

2005年度以前の仕事

透過型電子顕微鏡法に関する研究

38. T. Akashi, A. Sugawara, H. Kasai, T. Yoshida, T. Matsuda, Y. Togawa, K. Harada, and A. Tonomura
“Confirmation of information transfer using lattice images”
Appl. Phys. Lett. 87, 174101 (2005).

37. K. Harada, T. Akashi, Y. Togawa, T. Matsuda, and A. Tonomura
“Variable interference azimuth angle double-biprism electron interferometry”
Jpn. J. Appl. Phys. 44, L636 – L639 (2005).

36. K. Harada, T. Akashi, Y. Togawa, T. Matsuda, and A. Tonomura
“Optical system for double-biprism electron holography”
J. Electron Microscopy 54,19–27(2005).
(a) 日本顕微鏡学会第23回論文賞受賞

35. K. Harada, Y. Togawa, T. Akashi, T. Matsuda, and A. Tonomura
“Double-biprism electron holography and its applications”
Microscopy & Microanalysis: Vol. 10, Suppl. 2 (August, 2004) pp. 986 – 987CD.

34. K. Harada, T. Akashi, Y. Togawa, T. Matsuda, and A. Tonomura
“Double-biprism electron interferometory”
Appl. Phys. Lett. 84, 3229 – 3231 (2004).

33. K. Harada, T. Matsuda, T. Akashi, Y. Togawa, and A. Tonomura
“High-resolution observation by double-biprism electron holography”
J. Appl. Phys. 96, 6097-6102 (2004).

32. K. Harada, Y. Togawa, T. Akashi, T. Matsuda, and A. Tonomura
“Double-biprism electron holography II – High-resolution holography –”
Proceedings of 8th Asia-Pacific Electron Microscopy Meeting (8APEM): by The Japanese Society of Microscopy (2004) pp.100 – 101.

31. K. Harada, Y. Togawa, T. Akashi, T. Matsuda, and A. Tonomura
“Double-biprism electron holography I – Principle and its optical systems –”
Proceedings of 8th Asia-Pacific Electron Microscopy Meeting (8APEM): by The Japanese Society of Microscopy (2004) pp.90 – 91.

量子凝縮体（超伝導磁束量子など）に関する研究

30. Y. Togawa, K. Harada, T. Akashi, H. Kasai, T. Matsuda, F. Nori, A. Maeda, and A. Tonomura
“Direct observation of rectified motion of vortices in a niobium superconductor”
Physical Review Letters 95, 087002/1-4 (2005).
(a) ２００７年度　第４回理研フロンティア研究システム大賞受賞

29. Y. Togawa, K. Harada, T. Akashi, H. Kasai, T. Matsuda A. Maeda, and A. Tonomura
“Rectified motion of vortices in a niobium superconductor observed by Lorentz microscopy”
Physica C 426-431, 141-146 (2005).

28. Y. Togawa, T. Akashi, H. Kasai, K. Harada, T. Matsuda, and A. Tonomura
“Rectified motion of vortices in a superconductor”
Proceedings of 8th Asia-Pacific Electron Microscopy Meeting (8APEM): by The Japanese Society of Microscopy (2004) pp.98 – 99.

27. J. Kasai, N. Okazaki, T. Hasegawa, Y. Togawa, T. Sasagawa, J. Shimoyama, K. Kishio, M. Ohtani, T. Fukumura, M. Kawasaki, and H. Koinuma
“Observation of compositional fluctuation by scanning superconducting quantum interference device (SQUID) microscope in superconducting La1.8Sr0.2CuO4”
Japanese Journal of Applied Physics: Vol. 43 (2004) pp. L1327-L1329.

26. K. Harada, M. Beleggia, J. Endo, H. Kasai, Y. Togawa, T. Matsuda, and A. Tonomura
“Profile structure of magnetic flux lines in type-Ⅱ superconductor from a rectangular electron hologram”
J. Electron Microscopy 52, 369 – 373 (2003).

25. Y. Togawa, H. Kitano, and A. Maeda
“Dynamics phase diagram of driven vortices in Bi2Sr2CaCu2Oy”
J. Low. Temp. Phys. 131, 907-911 (2003).

24. A. Maeda, Y. Togawa, T. Hanaguri, and H. Kitano
“Dynamics of vortices in high-Tc superconductors investigated by density and conduction noise measurements”
Studies of high temperature superconductors Vol. 41, edited by A. Narlikar, Chap.10, pp247-274.

23. A. Maeda, Y. Togawa, and H. Kitano
“Dynamic phase diagram of vortices in high-Tc superconductors determined by experimental studies”
Physica B 329-333, 1346 (2003).

22. A. Maeda, T. Tsuboi, R. Abiru, Y. Togawa, H. Kitano, K. Iwaya, and T. Hanaguri
“Local sensitive measurement of local fluctuations of driven vortex density in Bi2Sr2CaCu2Oy”
Phys. Rev. B 65, 054506 (2002).

21. Y. Togawa, H. Kitano, A. Maeda
“Ac-dc interference effects in the dynamics state of vortices in Bi2Sr2CaCu2Oy”
Physica C 378-381, 448-452 (2002).

20. A. Maeda, Y. Togawa, and H. Kitano
“An experimental approach to understand dynamical phase diagram of driven vortices of high-Tc superconductors”
Physica C 369, 177-181 (2002).

19. X. Zhao, J. Kasai, N. Okazaki, Y. Nakayama, Y. Togawa, J. Shimoyama, K. Kishio, K. Kitazawa, T. Fukumura, M. Kawasaki, H. Koinuma, and T. Hasegawa
“Direct observations of vortices in Bi2212 single crystals by scanning SQUID microscopy”
Superconductor Science and Technology 14, 1124-1127 (2001).

18. J. Kasai, Y. Togawa, T. Sasagawa, J. Shimoyama, K. Kishio, H. Koinuma, and T. Hasegawa
“Local magnetic properties of underdoped La2-xSrxCuO4 single crystal probed by scanning superconducting quantum interference device microscopy”
Japanese Journal of Applied Physics: Vol. 40, (2001) pp. L1359 – L1361.

17. J. Kasai, N. Okazaki, Y. Togawa, T. Sasagawa, J. Shimoyama, K. Kishio, H. Koinuma, and T. Hasegawa
“Direct observations of vortices in a high-T-c superconductor (La1-xSrx)2CuO4 by scanning SQUID microscopy”
Applied Physics A-Materials Science & Processing: 72, (2001) S263-S266.

16. 前田京剛, 戸川欣彦, 坪井隆, 北野晴久, 花栗哲郎
“ボルテックス系のダイナミクス ―ノイズ測定による研究―”
日本物理学会誌 56, 427-431 (2001).

15. Y. Togawa, R. Abiru, H. Kitano, A. Maeda
“Bulk Nature of Broadband Noise in Conduction Noise Spectra of Bi2Sr2CaCu2Oy”
Physica C 357-360, 594-596(2001).

14. Y. Togawa, R. Abiru, K. Iwaya, H. Kitano, and A. Maeda
“Direct Observation of the washboard noise of a driven vortex lattice in a high-temperature superconductor, Bi2Sr2CaCu2Oy”
Physical Review Letters 85, 3716-3719 (2000).

13. Y. Togawa, R. Abiru, K. Iwaya, H. Kitano, and A. Maeda
“Conduction Noise in Bi2Sr2CaCu2Oy”
Physica C 341-348(1-4), 1215-1216 (2000).

12. J.G. Naeini, K.C. Hewitt, J.C. Irwin, T. Sasagawa, Y. Togawa, and K. Kishio
“Temperature induced normal state redistribution of B1g spectral weight in underdoped La2-xSrxCuO4”
Physica C 341-348(1-4), 907-908 (2000).

11. A. Maeda, T. Tsuboi, Y. Togawa, R. Abiru, Y. Tsuchiya, K. Iwaya, H. Kitano, T. Hanaguri, J. Takeya, K. Nakamura, and Y. Ando
“Dynamics of Vortices and Quasiparticles in the Mixed State of Bi2Sr2CaCu2Oy”
Physica C 335, 148-152 (2000).

10. J. G. Naini, J. C. Irwin, T. Sasagawa, Y. Togawa, and K. Kishio
“The pseudogap in (La1−xSrx)2CuO4: A Raman viewpoint”
Canadian Journal of Physics 78, 483-493 (2000).

9. T. Sasagawa, Y. Togawa, J. Shimoyama, A. Kapitulnik, K. Kitazawa, and K. Kishio
“Magnetization and resistivity measurements of the first-order vortex phase transition in (La1−xSrx)2CuO4”
Physical Review B 61, 1610-1617 (2000).

8. Y. Togawa, R. Abiru, K. Iwaya, H. Kitano, and A. Maeda
“The Conduction Noise Observed in Bi2Sr2CaCu2Oy Single Crystal”
Advances in Superconductivity XII (Springer-Verlag), 299-301 (2000).
Proceedings of the 12th International Symposium on Superconductivity (ISS'99).

7. A. Maeda, T. Tsuboi, T. Hanaguri, Y. Togawa, R. Abiru, Y. Tsuchiya, and K. Iwaya
“Site Sensitive Measurement of Local Fluctuation of Driven Vortex Density in Bi2Sr2CaCu2Oy”
Journal of Low Temperature Physics 117, 1329 (1999).

6. Y. Koyama, T. Sasagawa, Y. Togawa, K. Otzchi, J. Shimoyama, K. Kitazawa, and K. Kishio
“In-Plane Fourfold Symmetry of the Upper Critical Field Observed in La(Sr)214 Single Crystals”
Journal of Low Temperature Physics 117, 551-555 (1999).

5. T. Sasagawa, Y. Togawa, J. Shimoyama, A. Kapitulnik, K. Kitazawa, and K. Kishio
“Vortex Phase Transition and Vortex State in (La0.954Sr0.046)2CuO4 Single Crystals”
Journal of Low Temperature Physics 117, 1399-1403 (1999).

4. T. Sasagawa, Y. Togawa, J. Shimoyama, K. Kitazawa, and K. Kishio
“Magnetization and entropy changes at the first-order phase-transition of vortex-lattice in (La1−xSrx)2CuO4 single crystals”
Advances in Superconductivity XI (Springer-Verlag), 617-620 (1999).
Proceedings of the 11th International Symposium on Superconductivity (ISS'98).

3. Y. Togawa, T. Sasagawa, J. Shimoyama, and K. Kishio
“The second magnetization peak effect observed in (La1−xSrx)2CuO4 single crystals under H//ab”
Advances in Superconductivity XI (Springer-Verlag), 613-616 (1999).
Proceedings of the 11th International Symposium on Superconductivity (ISS'98).

2. T. Sasagawa, K. Kishio, Y. Togawa, J. Shimoyama, and K. Kitazawa
“First-Order Vortex-Lattice Phase Transition in (La1−xSrx)2CuO4 Single Crystals: Universal Scaling of the Transition Lines in High Temperature Superconductors”
Physical Review Letters 80, 4297-4300 (1998).

1. T. Sasagawa, K. Kishio, Y. Togawa, J. Shimoyama, and K. Kitazawa
“Vortex-Lattice Phase Transition in (La1−xSrx)2CuO4 Single Crystals: Universal Scaling of the Phase Transition Lines in HTSC”
Advances in Superconductivity X (Springer-Verlag), 449 (1998).
Proceedings of the 10th International Symposium on Superconductivity (ISS'97).

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