Papers 90
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Magnetic excitations in the noncentrosymmetric magnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Sr</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>MnSi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>7</mml:mn></mml:msub></mml:mrow></mml:math>
Masahiro Kawamata, Xiaoqi Pang, Hiroshi Murakawa, Seiko Ohira-Kawamura, Kenji Nakajima, Hidetoshi Masuda, Masaki Fujita, Noriaki Hanasaki, Yoshinori Onose, Yusuke Nambu
Physical Review Materials Vol. 9 No. 1 2025/01/22 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Local structural disorder introduced by Cr in fcc high-/medium-entropy alloys consisting of 3d transition metal elements
D. Furuya, M. Oda, Z. Chen, L. Li, H. Murakawa, H. Sakai, H. Nitani, Y. Niwa, H. Abe, H. Uetsuka, T. Karube, H. Inui, N. Hanasaki
Applied Physics Letters Vol. 125 No. 20 2024/11/11 Research paper (scientific journal)
Publisher: AIP Publishing -
Magnetic structure of the noncentrosymmetric magnet Sr2MnSi2O7 through irreducible representation and magnetic space group analyses
Y. Nambu, M. Kawamata, X. Pang, H. Murakawa, M. Avdeev, H. Kimura, H. Masuda, N. Hanasaki, Y. Onose
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials Vol. 80 No. 5 p. 393-400 2024/09/11 Research paper (scientific journal)
Publisher: International Union of Crystallography (IUCr) -
Large nonlinear optical magnetoelectric response in a noncentrosymmetric magnetic Weyl semimetal
Kentaro Shoriki, Keigo Moriishi, Yoshihiro Okamura, Kohei Yokoi, Hidetomo Usui, Hiroshi Murakawa, Hideaki Sakai, Noriaki Hanasaki, Yoshinori Tokura, Youtarou Takahashi
Proceedings of the National Academy of Sciences Vol. 121 No. 12 2024/03/14 Research paper (scientific journal)
Publisher: Proceedings of the National Academy of Sciences -
Diamond lattice in single-component molecular crystals comprising tetrabenzoporphyrin neutral radicals
Kosuke Mine, Sachie Arae, Hiroshi Murakawa, Masahisa Tsuchiizu, Noriaki Hanasaki, Masaki Matsuda
Chemical Communications 2024 Research paper (scientific journal)
Publisher: Royal Society of Chemistry (RSC) -
Ferrimagnetic charge order in molecular conductors with diluted localized spins exhibiting enhanced giant magnetoresistance effect
Ryuta Ishii, Misato Uejo, Erina Watari, Mitsuo Ikeda, Hiroshi Murakawa, Hideaki Sakai, Masaki Matsuda, Hideo Yoshioka, Masahisa Tsuchiizu, Noriaki Hanasaki
Physical Review B Vol. 108 No. 20 2023/11/09 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi2
H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, N. Hanasaki
Physical Review B Vol. 108 No. 11 p. 115142-1-115142-7 2023/09/21 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Robustness of semimetallic transport properties of TaAs against off-stoichiometric disorder
A. Kawasuso, M. Suda, H. Murakawa, M. Komada, C. Suzuki, H. Amada, K. Michishio, M. Maekawa, A. Miyashita, N. Seko, S. Yamamoto, N. Oshima, S. Seki, N. Hanasaki
Journal of Applied Physics Vol. 133 No. 22 2023/06/14 Research paper (scientific journal)
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Giant negative magnetoresistance in the layered semiconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>CeTe</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Sb</mml:mi><mml:mi>x</mml:mi></mml:msub></mml:mrow></mml:math> with variable magnetic polaron density
H. Murakawa, Y. Nakaoka, K. Iwase, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki
Physical Review B Vol. 107 No. 16 2023/04/24 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Field-tunable Weyl points and large anomalous Hall effect in the degenerate magnetic semiconductor EuMg2Bi2
M. Kondo, M. Ochi, R. Kurihara, A. Miyake, Y. Yamasaki, M. Tokunaga, H. Nakao, K. Kuroki, T. Kida, M. Hagiwara, H. Murakawa, N. Hanasaki, H. Sakai
Physical Review B Vol. 107 No. 12 2023/03 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Anomalous Nernst effect in the nonmagnetic nodal-line semimetal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi>PbTaSe</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:math>
Kohei Yokoi, Hiroshi Murakawa, Hideaki Sakai, Noriaki Hanasaki
Physical Review B Vol. 106 No. 11 2022/09/12 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Giant anisotropic magnetoresistance at low magnetic fields in a layered semiconductor
H. Murakawa, Y. Nakaoka, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki
Physical Review Materials Vol. 6 No. 5 2022/05/31 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
A large negative magnetoresistance effect in semiconducting crystals composed of an octahedrally ligated phthalocyanine complex with high-spin manganese(<scp>iii</scp>)
Kosuke Mine, Masayuki Yamaguchi, Hiroshi Murakawa, Noriaki Hanasaki, Masaki Matsuda
RSC Advances Vol. 12 No. 28 p. 17944-17949 2022 Research paper (scientific journal)
Publisher: Royal Society of Chemistry (RSC) -
Element dependence of local disorder in medium-entropy alloy CrCoNi
N. Hanasaki, M. Oda, K. Niitsu, K. Ehara, H. Murakawa, H. Sakai, H. Nitani, H. Abe, H. Sagayama, H. Uetsuka, T. Karube, H. Inui
AIP Advances Vol. 11 No. 12 p. 125216-125216 2021/12/01 Research paper (scientific journal)
Publisher: AIP Publishing -
Tunable spin-valley coupling in layered polar Dirac metals
Masaki Kondo, Masayuki Ochi, Tatsuhiro Kojima, Ryosuke Kurihara, Daiki Sekine, Masakazu Matsubara, Atsushi Miyake, Masashi Tokunaga, Kazuhiko Kuroki, Hiroshi Murakawa, Noriaki Hanasaki, Hideaki Sakai
COMMUNICATIONS MATERIALS Vol. 2 No. 1 2021/05 Research paper (scientific journal)
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Enhancing Thermopower and Nernst Signal of High-Mobility Dirac Carriers by Fermi Level Tuning in the Layered Magnet EuMnBi2
Keigo Tsuruda, Kento Nakagawa, Masayuki Ochi, Kazuhiko Kuroki, Masashi Tokunaga, Hiroshi Murakawa, Noriaki Hanasaki, Hideaki Sakai
ADVANCED FUNCTIONAL MATERIALS Vol. 31 No. 29 2021/05 Research paper (scientific journal)
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An electrically conducting molecular crystal composed of a magnetic iron(iii) complex (S = 1/2) with a large aromatic ligand, 1,2-naphthlalocyanine (C4h isomer): towards the development of molecular spintronics
Masayuki Yamaguchi, Sayaka Iwamura, Kosuke Mine, Hiroshi Murakawa, Noriaki Hanasaki, Masaki Matsuda
Dalton Transactions Vol. 50 No. 17 p. 5789-5794 2021 Research paper (scientific journal)
Publisher: Royal Society of Chemistry (RSC) -
181Ta nuclear quadrupole resonance study of the noncentrosymmetric superconductor PbTaSe2
K. Yokoi, M. Yashima, H. Murakawa, H. Mukuda, K. Yamauchi, T. Oguchi, H. Sakai, N. Hanasaki
Physical Review B Vol. 102 No. 21 p. 214504-1-214504-5 2020/12 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Bulk quantum Hall effect of spin-valley coupled Dirac fermions in the polar antiferromagnet BaMnSb2
H. Sakai, H. Fujimura, S. Sakuragi, M. Ochi, R. Kurihara, A. Miyake, M. Tokunaga, T. Kojima, D. Hashizume, T. Muro, K. Kuroda, Takeshi Kondo, T. Kida, M. Hagiwara, K. Kuroki, M. Kondo, K. Tsuruda, H. Murakawa, N. Hanasaki
Physical Review B Vol. 101 No. 8 2020/02/13 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Angle-dependent nontrivial phase in the Weyl semimetal NbAs with anisotropic Fermi surface
M. Komada*, H. Murakawa*, M. S. Bahramy, T. Kida, K. Yokoi, Y. Narumi, K. Kindo, M. Hagiiwara, H. Sakai, and N. Hanasaki
Physical Review B Vol. 101 No. 4 p. 045135-045135 2020/01 Research paper (scientific journal)
Publisher: American Physical Society (APS) -
Limits of validity of the Rashba model in BiTeI: High-field magneto-optical study
S. Bordacs, M. Orlita, M. Sikula, H. Murakawa, and Y. Tokura
Vol. 100 p. 155203-155203 2019/10 Research paper (scientific journal)
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Large Enhancement of Thermoelectric Efficiency Due to a Pressure-Induced Lifshitz Transition in SnSe
T.Nishimura, H.Sakai, H.Mori, K.Akiba, H.Usui, M.Ochi, K.Kuroki, A.Miyake, M.Tokunaga, Y.Uwatoko, K.Katayama, H.Murakawa, N.Hanasaki
Physical Review Letters Vol. 122 No. 22 2019/06 Research paper (international conference proceedings)
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Nanoscale Ice-type Structural Fluctuation in Spinel Titanates
S. Torigoe, T. Hattori, K. Kodama, T. Honda, H. Sagayama, K. Ikeda, T. Otomo, H. Nitani, H. Abe, H. Murakawa, H. Sakai, N. Hanasaki
Physical Review B Vol. 98 No. 13 2018/10 Research paper (scientific journal)
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Quantitative evaluation of Dirac physics in PbTe
K. Akiba, A. Miyake, H. Sakai, K. Katayama, H. Murakawa, N. Hanasaki, S. Takaoka, Y. Nakanishi, M. Yoshizawa, M. Tokunaga
Physical Review B Vol. 98 No. 11 2018/09 Research paper (scientific journal)
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Microwave nonreciprocity of magnon excitations in the noncentrosymmetric antiferromagnet Ba2MnGe2O7
Y. Iguchi, Y. Nii, M. Kawano, H. Murakawa, N. Hanasaki, Y. Onose
Physical Review B Vol. 98 No. 6 2018/08 Research paper (scientific journal)
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Exfoliation of single layer BiTeI flakes
B. F ̈ul ̈op, Z. Tajkov, J. Pet ̈o, P. Kun, J. Koltai, L. Oroszl ́any, E. T ́ov ́ari, H. Murakawa, Y. Tokura, S. Bord ́acs, L. Tapaszt ́o, S. Csonka
2D Materials Vol. 5 No. 3 2018/07
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Electrochemical synthesis of phthalocyanine–molecular mixed crystals in dilute solution
R. Ishii, H. Murakawa, M. Nishi, M. Matsuda, H. Sakai, N. Hanasaki
Journal of Crystal Growth Vol. 487 p. 92-95 2018/04/01 Research paper (scientific journal)
Publisher: Elsevier B.V. -
Enhanced magnetoresistance in the binary semimetal NbAs2 due to improved crystal quality
K. Yokoi, H. Murakawa∗, M. Komada, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki
Physical Review Materials Vol. 2 No. 2 2018/02 Research paper (scientific journal)
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Magnetic structure of the magnetoelectric material Ca2CoSi2O7
A. Sazonov, V. Hutanu, M. Meven, G. Roth, H. Murakawa, Y. Tokura, V. K. Guduru, L. C. J. M. Peters, U. Zeitler, L. F. Kiss, D. Szaller, B. Nafradi, I. Kezsmarki
PHYSICAL REVIEW B Vol. 95 No. 17 2017/05 Research paper (scientific journal)
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Synthesis and Characterization of Iodide-coordinated Dinuclear Molecular Single Crystal Cr-2(mu-I)(2)I-4(C8N2H4)(4)
Hiroshi Murakawa, Moriyoshi Komada, Noriaki Hanasaki
CHEMISTRY LETTERS Vol. 46 No. 4 p. 554-556 2017/04 Research paper (scientific journal)
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Phthalocyanine-Based Single-Component Molecular Conductor [Mn-III(Pc)(CN)](2)O
Mitsuo Ikeda, Hiroshi Murakawa, Masaki Matsuda, Noriaki Hanasaki
INORGANIC CHEMISTRY Vol. 55 No. 15 p. 7314-7316 2016/08 Research paper (scientific journal)
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High Magnetic Field Study on Giant Negative Magnetoresistance in the Molecular Conductor TPP[Cr(Pc)(CN)(2)](2)
Mitsuo Ikeda, Takanori Kida, Time Tahara, Hiroshi Murakawa, Miki Nishi, Masaki Matsuda, Masayuki Hagiwara, Tamotsu Inabe, Noriaki Hanasaki
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 85 No. 6 2016/06 Research paper (scientific journal)
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Effect of localized spin concentration on giant magnetoresistance in molecular conductor TPP[Fe1−xCox(Pc)(CN)2]2
M. Ikeda, A. Kanda, H. Murakawa, M. Matsuda, T. Inabe, H. Tajima, N. Hanasaki
Journal of the Physical Society of Japan Vol. 85 No. 2 2016/05 Research paper (scientific journal)
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The low-temperature crystal structure of the multiferroic melilite Ca2CoSi2O7
Andrew Sazonov, Vladimir Hutanu, Martin Meven, Georg Roth, Istvan Kezsmarki, Hiroshi Murakawa, Yoshinori Tokura, Balint Nafradi
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS Vol. 72 No. 1 p. 126-132 2016/02 Research paper (scientific journal)
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Observation of all-in type tetrahedral displacements in nonmagnetic pyrochlore niobates
S. Torigoe, Y. Ishimoto, Y. Aoishi, H. Murakawa, D. Matsumura, K. Yoshii, Y. Yoneda, Y. Nishihata, K. Kodama, K. Tomiyasu, K. Ikeda, H. Nakao, Y. Nogami, N. Ikeda, T. Otomo, N. Hanasaki
PHYSICAL REVIEW B Vol. 93 No. 8 2016/02 Research paper (scientific journal)
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Enhancement of thermoelectric efficiency in transition metal dichalcogenide SnSe2 using organic molecular intercalation
Li H., Sakai H., Katayama K., Ikeda M., Aoishi Y., Murakawa H., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 2256-2256 2016
Publisher: The Physical Society of Japan -
Spin density effect on giant magnetoresistance in chromium phthalocyanine molecular alloyed compound
Ishii R., Ikeda M., Murakawa H., Nishi M., Matsuda M., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 1711-1711 2016
Publisher: The Physical Society of Japan -
Thermoelectric probe for Fermi surface topology in the three-dimensional Rashba semiconductor BiTeI
T. Ideue, L. Ye, J. G. Checkelsky, H. Murakawa, Y. Kaneko, Y. Tokura
PHYSICAL REVIEW B Vol. 92 No. 11 2015/09 Research paper (scientific journal)
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Giant ferromagnetic π-d interaction in a phthalocyanine molecule
H. Murakawa, A. Kanda, M. Ikeda, M. Matsuda, N. Hanasaki
Physical Review B - Condensed Matter and Materials Physics Vol. 92 No. 5 2015/08/21 Research paper (scientific journal)
Publisher: American Physical Society -
Giant ferromagnetic pi-d interaction in a phthalocyanine molecule
H. Murakawa, A. Kanda, M. Ikeda, M. Matsuda, N. Hanasaki
PHYSICAL REVIEW B Vol. 92 No. 5 2015/08 Research paper (scientific journal)
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18aPS-16 Study on the surface conductivity of the newly-synthesized organometal iodide
Komada M., Murakawa H., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 2304-2304 2015
Publisher: The Physical Society of Japan (JPS) -
19aPS-95 Effect of Carrier Doping on Thermoelectric Properties of SnSe
Katayama K., Tsuchihashi S., Li H., Aoishi Y., Murakawa H., Sakai H., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 2186-2186 2015
Publisher: The Physical Society of Japan (JPS) -
22aPS-25 Home-made Measurement System for Transport Properties at High Temperature and Investigation of Thermoelectric Property in SnSe
Aoishi Y., Tsuchihashi S., Katayama K., Murakawa H., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 2120-2120 2015
Publisher: The Physical Society of Japan (JPS) -
23pAC-10 Anomalous conducting properties of the newly-synthesized organometal iodide
Murakawa H., Komada M., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1873-1873 2015
Publisher: The Physical Society of Japan (JPS) -
22pBE-9 Thermoelectric Properties in SnSe Substituted with Cu, Ag and In
Tsuchihashi S., Aoishi Y., Katayama K., Murakawa H., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 2270-2270 2015
Publisher: The Physical Society of Japan (JPS) -
23pBE-12 Observation of Charge Singlet State in Pyrochlore Niobates
Torigoe S., Aoishi Y., Murakawa H., Matsumura D., Yoshii K., Yoneda Y., Kodama K., Ikeda K., Tomiyasu K., Nakao H., Otomo T., Nogami Y., Hanasaki N.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 2325-2325 2015
Publisher: The Physical Society of Japan (JPS) -
Pressure variation of Rashba spin splitting toward topological transition in the polar semiconductor BiTeI
T. Ideue, J. G. Checkelsky, M. S. Bahramy, H. Murakawa, Y. Kaneko, N. Nagaosa, Y. Tokura
PHYSICAL REVIEW B Vol. 90 No. 16 2014/10 Research paper (scientific journal)
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Evolution of two-dimensional antiferromagnetism with temperature and magnetic field in multiferroic Ba2 CoGe 2 O 7
V. Hutanu, A. P. Sazonov, M. Meven, G. Roth, A. Gukasov, H. Murakawa, Y. Tokura, D. Szaller, S. Bordács, I. Kézsmárki, V. K. Guduru, L. C.J.M. Peters, U. Zeitler, J. Romhányi, B. Náfrádi
Physical Review B - Condensed Matter and Materials Physics Vol. 89 No. 6 2014/02/06 Research paper (scientific journal)
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One-way transparency of four-coloured spin-wave excitations in multiferroic materials
I. Kezsmarki, D. Szaller, S. Bordacs, V. Kocsis, Y. Tokunaga, Y. Taguchi, H. Murakawa, Y. Tokura, H. Engelkamp, T. Room, U. Nagel
NATURE COMMUNICATIONS Vol. 5 2014/02 Research paper (scientific journal)
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Evolution of two-dimensional antiferromagnetism with temperature and magnetic field in multiferroic Ba2CoGe2O7
V. Hutanu, A. P. Sazonov, M. Meven, G. Roth, A. Gukasov, H. Murakawa, Y. Tokura, D. Szaller, S. Bordacs, I. Kezsmarki, V. K. Guduru, L. C. J. M. Peters, U. Zeitler, J. Romhanyi, B. Nafradi
PHYSICAL REVIEW B Vol. 89 No. 6 2014/02 Research paper (scientific journal)
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Landau level spectroscopy of dirac electrons in a polar semiconductor with giant rashba spin splitting
Sándor Bordács, Joseph G. Checkelsky, Hiroshi Murakawa, Harold Y. Hwang, Yoshinori Tokura
Physical Review Letters Vol. 111 No. 16 2013/10/18 Research paper (scientific journal)
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Metamagnetic Transition and Its Related Magnetocapacitance Effect in Phthalocyanine-Molecular Conductor Exhibiting Giant Magnetoresistance
Noriaki Hanasaki, Takuma Tateishi, Hiroyuki Tajima, Motoi Kimata, Masashi Tokunaga, Masaki Matsuda, Akinori Kanda, Hiroshi Murakawa, Toshio Naito, Tamotsu Inabe
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 82 No. 9 2013/09 Research paper (scientific journal)
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Magnetophotocurrent in BiTeI with Rashba spin-split bands
N. Ogawa, M. S. Bahramy, H. Murakawa, Y. Kaneko, Y. Tokura
Physical Review B - Condensed Matter and Materials Physics Vol. 88 No. 3 2013/07/24 Research paper (scientific journal)
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Strongly spin-orbit coupled two-dimensional electron gas emerging near the surface of polar semiconductors
M. Sakano, M. S. Bahramy, A. Katayama, T. Shimojima, H. Murakawa, Y. Kaneko, W. Malaeb, S. Shin, K. Ono, H. Kumigashira, R. Arita, N. Nagaosa, H. Y. Hwang, Y. Tokura, K. Ishizaka
Physical Review Letters Vol. 110 No. 10 2013/03/07 Research paper (scientific journal)
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Shubnikov-de Haas oscillations in the bulk Rashba semiconductor BiTeI
C. Bell, M. S. Bahramy, H. Murakawa, J. G. Checkelsky, R. Arita, Y. Kaneko, Y. Onose, M. Tokunaga, Y. Kohama, N. Nagaosa, Y. Tokura, H. Y. Hwang
Physical Review B - Condensed Matter and Materials Physics Vol. 87 No. 8 2013/02/28 Research paper (scientific journal)
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Magnetoelectric responses induced by domain rearrangement and spin structural change in triangular-lattice helimagnets NiI2 and CoI2
T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Kaneko, Y. Tokura
PHYSICAL REVIEW B Vol. 87 No. 1 2013/01 Research paper (scientific journal)
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Detection of Berry's phase in a bulk Rashba semiconductor
H. Murakawa, M. S. Bahramy, M. Tokunaga, Y. Kohama, C. Bell, Y. Kaneko, N. Nagaosa, H. Y. Hwang, Y. Tokura
Science Vol. 342 No. 6165 p. 1490-1493 2013 Research paper (scientific journal)
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Chirality of matter shows up via spin excitations
S. Bordacs, I. Kezsmarki, D. Szaller, L. Demko, N. Kida, H. Murakawa, Y. Onose, R. Shimano, T. Room, U. Nagel, S. Miyahara, N. Furukawa, Y. Tokura
NATURE PHYSICS Vol. 8 No. 10 p. 734-738 2012/10 Research paper (scientific journal)
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Enhanced Infrared Magneto-Optical Response of the Nonmagnetic Semiconductor BiTeI Driven by Bulk Rashba Splitting
L. Demko, G. A. H. Schober, V. Kocsis, M. S. Bahramy, H. Murakawa, J. S. Lee, I. Kezsmarki, R. Arita, N. Nagaosa, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 109 No. 15 2012/10 Research paper (scientific journal)
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Determination of the magnetic order and the crystal symmetry in the multiferroic ground state of Ba2CoGe2O7
V. Hutanu, A. Sazonov, M. Meven, H. Murakawa, Y. Tokura, S. Bordacs, I. Kezsmarki, B. Nafradi
PHYSICAL REVIEW B Vol. 86 No. 10 2012/09 Research paper (scientific journal)
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Three-dimensional bulk band dispersion in polar BiTeI with giant Rashba-type spin splitting
M. Sakano, J. Miyawaki, A. Chainani, Y. Takata, T. Sonobe, T. Shimojima, M. Oura, S. Shin, M. S. Bahramy, R. Arita, N. Nagaosa, H. Murakawa, Y. Kaneko, Y. Tokura, K. Ishizaka
PHYSICAL REVIEW B Vol. 86 No. 8 2012/08 Research paper (scientific journal)
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Mechanisms of Enhanced Orbital Dia- and Paramagnetism: Application to the Rashba Semiconductor BiTeI
G. A. H. Schober, H. Murakawa, M. S. Bahramy, R. Arita, Y. Kaneko, Y. Tokura, N. Nagaosa
PHYSICAL REVIEW LETTERS Vol. 108 No. 24 2012/06 Research paper (scientific journal)
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Spin-Stretching Modes in Anisotropic Magnets: Spin-Wave Excitations in the Multiferroic Ba2CoGe2O7
K. Penc, J. Romhanyi, T. Room, U. Nagel, A. Antal, T. Feher, A. Janossy, H. Engelkamp, H. Murakawa, Y. Tokura, D. Szaller, S. Bordacs, I. Kezsmarki
PHYSICAL REVIEW LETTERS Vol. 108 No. 25 2012/06 Research paper (scientific journal)
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Comprehensive study of the ferroelectricity induced by the spin-dependent d-p hybridization mechanism in Ba2XGe2O7 (X = Mn, Co, and Cu)
H. Murakawa, Y. Onose, S. Miyahara, N. Furukawa, Y. Tokura
PHYSICAL REVIEW B Vol. 85 No. 17 2012/05 Research paper (scientific journal)
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Magnetoelectric resonance with electromagnons in a perovskite helimagnet
Youtarou Takahashi, Ryo Shimano, Yoshio Kaneko, Hiroshi Murakawa, Yoshinori Tokura
NATURE PHYSICS Vol. 8 No. 2 p. 121-125 2012/02 Research paper (scientific journal)
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Symmetry and structure of multiferroic Ba2CoGe2O7
V. Hutanu, A. Sazonov, H. Murakawa, Y. Tokura, B. Nafradi, D. Chernyshov
PHYSICAL REVIEW B Vol. 84 No. 21 2011/12 Research paper (scientific journal)
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Optical Response of Relativistic Electrons in the Polar BiTeI Semiconductor
J. S. Lee, G. A. H. Schober, M. S. Bahramy, H. Murakawa, Y. Onose, R. Arita, N. Nagaosa, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 107 No. 11 2011/09 Research paper (scientific journal)
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Giant Rashba-type spin splitting in bulk BiTeI
K. Ishizaka, M. S. Bahramy, H. Murakawa, M. Sakano, T. Shimojima, T. Sonobe, K. Koizumi, S. Shin, H. Miyahara, A. Kimura, K. Miyamoto, T. Okuda, H. Namatame, M. Taniguchi, R. Arita, N. Nagaosa, K. Kobayashi, Y. Murakami, R. Kumai, Y. Kaneko, Y. Onose, Y. Tokura
NATURE MATERIALS Vol. 10 No. 7 p. 521-526 2011/07 Research paper (scientific journal)
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Magnetic-Field Induced Competition of Two Multiferroic Orders in a Triangular-Lattice Helimagnet Mn I-2
T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Tokunaga, Y. Kaneko, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 106 No. 16 2011/04 Research paper (scientific journal)
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Enhanced Directional Dichroism of Terahertz Light in Resonance with Magnetic Excitations of the Multiferroic Ba2CoGe2O7 Oxide Compound
I. Kezsmarki, N. Kida, H. Murakawa, S. Bordacs, Y. Onose, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 106 No. 5 2011/02 Research paper (scientific journal)
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Ferroelectricity Induced by Spin-Dependent Metal-Ligand Hybridization in Ba2CoGe2O7
H. Murakawa, Y. Onose, S. Miyahara, N. Furukawa, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 105 No. 13 2010/09 Research paper (scientific journal)
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Cupric chloride CuCl2 as an S=1/2 chain multiferroic
S. Seki, T. Kurumaji, S. Ishiwata, H. Matsui, H. Murakawa, Y. Tokunaga, Y. Kaneko, T. Hasegawa, Y. Tokura
PHYSICAL REVIEW B Vol. 82 No. 6 2010/08 Research paper (scientific journal)
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Magnetic Digital Flop of Ferroelectric Domain with Fixed Spin Chirality in a Triangular Lattice Helimagnet
S. Seki, H. Murakawa, Y. Onose, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 103 No. 23 2009/12 Research paper (scientific journal)
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Electric-Field Switching of a Magnetic Propagation Vector in a Helimagnet
H. Murakawa, Y. Onose, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 103 No. 14 2009/10 Research paper (scientific journal)
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Electric polarization induced by transverse magnetic field in the anisotropy-controlled conical helimagnet Ba-2(Mg1-xZnx)(2)Fe12O22
S. Ishiwata, Y. Taguchi, Y. Tokunaga, H. Murakawa, Y. Onose, Y. Tokura
PHYSICAL REVIEW B Vol. 79 No. 18 2009/05 Research paper (scientific journal)
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Dynamics of Multiferroic Domain Wall in Spin-Cycloidal Ferroelectric DyMnO3
F. Kagawa, M. Mochizuki, Y. Onose, H. Murakawa, Y. Kaneko, N. Furukawa, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 102 No. 5 2009/02 Research paper (scientific journal)
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Magnetic-field control of electric polarization in a helimagnetic haxaferrite Ba2Mg2Fe12O22
S. Ishiwata, Y. Taguchi, H. Murakawa, Y. Onose, Y. Tokura
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 4 Vol. 150 2009 Research paper (international conference proceedings)
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NMR and NQR studies on superconducting Sr2RuO4
Kenji Ishida, Hiroshi Murakawa, Hidekazu Mukuda, Yoshio Kitaoka, Z. Q. Mao, Yoshiteru Maeno
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS Vol. 69 No. 12 p. 3108-3114 2008/12 Research paper (scientific journal)
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Rotation of an Electric Polarization Vector by Rotating Magnetic Field in Cycloidal Magnet Eu(0.55)Y(0.45)MnO(3)
H. Murakawa, Y. Onose, F. Kagawa, S. Ishiwata, Y. Kaneko, Y. Tokura
PHYSICAL REVIEW LETTERS Vol. 101 No. 19 2008/11 Research paper (scientific journal)
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Control of Electric Polarization with Rotating Magnetic Field in Helimagnet ZnCr2Se4
Hiroshi Murakawa, Yoshinori Onose, Kenya Ohgushi, Shintaro Ishiwata, Yoshinori Tokura
J. Phys. Soc. Jpn. Vol. 77 p. 043709-1-043709-4 2008/04/10 Research paper (scientific journal)
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Generation of electric polarization with rotating magnetic field in helimagnet ZnCr2Se4
Hiroshi Murakawa, Yoshinori Onose, Kenya Ohgushi, Shintaro Ishiwata, Yoshinori Tokura
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 77 No. 4 2008/04 Research paper (scientific journal)
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Low-magnetic-field control of electric polarization vector in a helimagnet
Shintaro Ishiwata, Yasujiro Taguchi, Hiroshi Murakawa, Yoshinori Onose, Yoshinori Tokura
SCIENCE Vol. 319 No. 5870 p. 1643-1646 2008/03 Research paper (scientific journal)
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Ru-101 knight shift measurement of superconducting Sr2RuO4 under small magnetic fields parallel to the RuO2 plane
H. Murakawa, K. Ishida, K. Kitagawa, H. Ikeda, Z. Q. Mao, Y. Maeno
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 76 No. 2 2007/02 Research paper (scientific journal)
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101Ru Knight-shift measurement of Sr2 RuO4 in low fields applied parallel to the RuO2 plane
H. Murakawa, K. Ishida, K. Kitagawa, Z.Q. Mao, Y. Maeno
Journal of Magnetism and Magnetic Materials Vol. 310 No. 2 SUPPL. PART 1 p. 548-550 2007 Research paper (scientific journal)
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Orbital properties of Sr3Ru2O7 and related ruthenates probed by O-17 NMR
K. Kitagawa, K. Ishida, R. S. Perry, H. Murakawa, K. Yoshimura, Y. Maeno
PHYSICAL REVIEW B Vol. 75 No. 2 2007/01 Research paper (scientific journal)
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Hidden order and disorder effects in URu2Si2
O. O. Bernal, M. E. Moroz, K. Ishida, H. Murakawa, A. P. Reyes, P. L. Kuhns, D. E. MacLaughlin, J. A. Mydosh, T. J. Gortenmulder
PHYSICA B-CONDENSED MATTER Vol. 378-80 p. 574-575 2006/05 Research paper (scientific journal)
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Static and dynamical properties in the Pr-based filled skutterudite compound PrFe 4P 12 revealed by a 31P-NMR study
K. Ishida, H. Murakawa, K. Kitagawa, Y. Ihara, H. Kotegawa, M. Yogi, Y. Kitaoka, Ben-Li Young, M. S. Rose, D. E. MacLaughlin, H. Sugawara, T. D. Matsuda, Y. Aoki, H. Sato, H. Harima
Physical Review B - Condensed Matter and Materials Physics Vol. 71 No. 2 2005/01 Research paper (scientific journal)
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Static and dynamical properties in the Pr-based filled skutterudite compound PrFe4P12 revealed by a P-31-NMR study
K Ishida, H Murakawa, K Kitagawa, Y Ihara, H Kotegawa, M Yogi, Y Kitaoka, BL Young, MS Rose, DE MacLaughlin, H Sugawara, TD Matsuda, Y Aoki, H Sato, H Harima
PHYSICAL REVIEW B Vol. 71 No. 2 2005/01 Research paper (scientific journal)
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Decrease in Cd-111 knight shift in superconducting Cd2Re2O7: Evidence for spin-singlet pairing
H Sakai, Y Tokunaga, S Kambe, K Kitagawa, H Murakawa, K Ishida, H Ohno, M Kato, K Yoshimura, RE Walstedt
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 73 No. 11 p. 2940-2943 2004/11 Research paper (scientific journal)
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Measurement of the 101Ru-Knight Shift of Superconducting Sr2RuO4 in a Parallel Magnetic Field
Hiroshi Murakawa, K. Ishida, K. Kitagawa, Z. Q. Mao, Y. Maeno
Physical Review Letters Vol. 93 No. 16 2004/10 Research paper (scientific journal)