研究業績
発表論文
Kazuhiro Nawa, Maxim Avdeev, Asuka Ishikawa, Hiroyuki Takakura, Chin-Wei Wang, Daisuke Okuyama, Ryo Murasaki, Ryuji Tamura, and Taku J Sato "Structural and magnetic properties of the quasicrystal approximant Au65Ga21Tb14" (cond-mat arXiv:2204.00868v1) (submitted)
Ryo Murasaki, Kazuhiro Nawa, Daisuke Okuyama, Maxim Avdeev, Taku J Sato "Antiferromagnetic order of ferromagnetically coupled dimers in the double pyrovanadate CaCoV2O7" (cond-mat arXiv:2108.00715v1) (submitted)
G. Gitgeatpong, Y. Zhao, J. A. Fernandez-Baca, T. Hong, T. J. Sato, P. Piyawongwatthana, K. Nawa, P. Saeaun, K. Matan "Magnetic structure and spin dynamics of the quasi-2D antiferromagnet Zn0.15Cu1.85V2O7" Physical Review B, Vol. 106, 214438 (2022)
Yoshinori Imai, Kazuhiro Nawa, Yasuhiro Shimizu, Wakana Yamada, Hideyuki Fujihara, Takuya Aoyama, Ryotaro Takahashi, Daisuke Okuyama, Takamasa Ohashi, Masato Hagihala, Shuki Torii, Daisuke Morikawa, Masami Terauchi, Takayuki Kawamata, Masatsune Kato, Hirotada Gotou, Masayuki Itoh, Taku J. Sato, and Kenya Ohgushi "Zigzag magnetic order in the Kitaev spin-liquid candidate material RuBr3 with a honeycomb lattice" Physical Review B, Vol. 105, L041112 (2022)
Kazuhiro Nawa, Maxim Avdeev, Peter Berdonosov, Alexey Sobolev, Igor Presniakov, Alena Aslandukova, Ekaterina Kozlyakova, Alexander Vasiliev, Igor Shchetinin, and Taku J Sato "Magnetic structure study of the sawtooth chain antiferromagnet Fe2Se2O7" Scientific Reports, Vol. 11, 24049 (2021).
Ryuji Tamura, Asuka Ishikawa, Shintaro Suzuki, Akihiro Kotajima, Yujiro Tanaka, Takehiko Seki, Naoya Shibata, Tsunetomo Yamada, Takenori Fujii, Chin-Wei Wang, Maxim Avdeev, Kazuhiro Nawa, Daisuke Okuyama, Taku J Sato "Experimental observation of long-range magnetic order in icosahedral quasicrystals" Journal of the American Chemical Society, Vol. 143, 19938–19944 (2021).
Kazuhiro Nawa, Yoshinori Imai, Youhei Yamaji, Hideyuki Fujihara, Wakana Yamada, Ryotaro Takahashi, Takumi Hiraoka, Masato Hagihala, Shuki Torii, Takuya Aoyama, Takamasa Ohashi, Yasuhiro Shimizu, Hirotada Gotou, Masayuki Itoh, Kenya Ohgushi, and Taku J Sato "Strongly electron-correlated semimetal RuI3 with a layered honeycomb structure" Journal of the Physical Society of Japan, Vol. 90, 123703 (2021) (cond-mat arXiv:2109.12864v2)
Pharit Piyawongwatthana, Daisuke Okuyama, Kazuhiro Nawa, Kittiwit Matan, and Taku J Sato "Formation of Single Polar Domain in α-Cu2V2O7" Journal of the Physical Society of Japan, Vol. 90, 025003 (2021).
Kazuhiro Nawa, Daigorou Hirai, Maiko Kofu, Kenji Nakajima, Ryo Murasaki, Satoshi Kogane, Motoi Kimata, Hiroyuki Nojiri, Zenji Hiroi, and Taku J Sato "Bound spinon excitations in the spin-1/2 anisotropic triangular antiferromagnet Ca3ReO5Cl2" Physical Review Research, Vol. 2, 043121 (2020).
Mitsuru Takahashi, Kazuhiro Nawa, Daisuke Okuyama, Hiroyuki Nojiri, Matthias D. Frontzek, Maxim Avdeev, Masahiro Yoshida, Daichi Ueta, Hideki Yoshizawa, and Taku J Sato "Crystal structure and magnetic properties of the breathing kagome Ising antiferromagnet Yb3Ni11Ge4.63" Journal of the Physical Society of Japan, Vol. 89, 094704 (2020).
Daigorou Hirai, Takeshi Yajima, Kazuhiro Nawa, Mitsuaki Kawamura, and Zenji Hiroi "Anisotropic Triangular Lattice Realized in Rhenium Oxychlorides A3ReO5Cl2 (A = Ba and Sr) " Inorganic Chemistry, Vol. 59, 10025 (2020).
Shinichiro Asai, Takuma Oyama, Kazuhiro Nawa, Akiko Nakao, Koji Munakata, Keitaro Kuwahara, Masato Hagihala, Shinichi Itoh, Zenji Hiroi, and Takatsugu Masuda "Helical and Collinear Spin-Density-Wave Orders in S = 1/2 One-dimensional Frustrated Chain Compound NaCuMoO4(OH) Investigated by Neutron Scattering" Physical Review B, Vol. 101, 144437 (2020).
Yuya Haraguchi, Kazuhiro Nawa, Chishiro Michioka, Hiroaki Ueda, Akira Matsuo, Koichi Kindo, Maxim Avdeev, Taku J Sato and Kazuyoshi Yoshimura "Frustrated magnetism in the J1-J2 honeycomb lattice compounds MgMnO3 and ZnMnO3 synthesized via a metathesis reaction" Physical Review Materials, Vol. 3, 124406 (2019).
Seno Aji, Hidesato Ishida, Daisuke Okuyama, Kazuhiro Nawa, Tao Hong, and Taku J Sato "Effect of Ge-substitution on Magnetic Properties in the Itinerant Chiral Magnet MnSi" Physical Review Materials, Vol. 3, 104408 (2019).
Kazuhiro Nawa, Kimihiko Tanaka, Nobuyuki Kurita, Taku J Sato, Haruki Sugiyama, Hidehiro Uekusa, Seiko Ohira-Kawamura, Kenji Nakajima, and Hidekazu Tanaka "Triplon band splitting and topologically protected edge states in the dimerized antiferromagnet" Nature Communications, Vol. 10, 2096 (2019). (cond-mat arXiv:1810.08931v1) プレスリリース 簡単な解説記事
Daigorou Hirai, Kazuhiro Nawa, Mitsuaki Kawamura, Takahiro Misawa, and Zenji Hiroi "One-dimensionalization by geometrical frustration in the anisotropic triangular lattice of the 5d quantum antiferromagnet Ca3ReO5Cl2" Journal of the Physical Society of Japan, Vol. 88, 044708 (2019).
Kim Eric Sandvik, Daisuke Okuyama, Kazuhiro Nawa, Maxim Avdeev, and Taku J Sato "Controlling the stoichiometry of the triangular lattice antiferromagnet Li1+xZn2-yMo3O8" Journal of Solid State Chemistry, Vol. 271, 216 (2019).
Kazuhiro Nawa, Daisuke Okuyama, Maxim Avdeev, Hiroyuki Nojiri, Masahiro Yoshida, Daichi Ueta, Hideki Yoshizawa, and Taku J. Sato "Degenerate ground state in classical pyrochlore antiferromagnet Na3Mn(CO3)2Cl" Physical Review B, Vol. 98, 144426 (2018). (cond-mat arXiv:1810.05126v1)
M. Yoshida, K. Nawa, H. Ishikawa, M. Takigawa, M. Jeong, S. Krämer, M. Horvatić, C. Berthier, K. Matsui, T. Goto, S. Kimura, T. Sasaki, J. Yamaura, H. Yoshida, Y. Okamoto, and Z. Hiroi "Spin dynamics in the high-field phases of volborthite" Physical Review B, Vol. 96, 180413(R) (2017). (Editor's Suggestion)
Kazuhiro Nawa, Makoto Yoshida, Yoshihiko Okamoto, Masashi Takigawa, and Zenji Hiroi "Collinear Spin-density-wave Order and Anisotropic Spin Fluctuations in the Frustrated J1–J2 Chain Magnet NaCuMoO4(OH)" Physical Review B, Vol. 96, 174433 (2017). (cond-mat arXiv:1711.03175v1)
Kazuhiro Nawa, Masashi Takigawa, Steffen Krämer, Mladen Horvatić, Claude Berthier, Makoto Yoshida and Kazuyoshi Yoshimura "Dynamics of Bound Magnon Pairs in the Quasi-One-Dimensional Frustrated Magnet LiCuVO4" Physical Review B, Vol. 96, 134423 (2017). (cond-mat arXiv:1702.08573v2)
Kazuhiro Nawa, Oleg Janson, and Zenji Hiroi "Anisotropic Field-Induced Gap in Quasi-One-Dimensional Antiferromagnet KCuMoO4(OH)" Physical Review B, Vol. 96, 104429 (2017). (cond-mat arXiv:1709.03900v1)
Yoko Kitahara, Shigeo Hara, Takahiro Sakurai, Susumu Okubo, Hitoshi Ohta, Fumiko Kimura, Tsunehisa Kimura, Kazuhiro Nawa, Yoshihiko Okamoto, and Zenji Hiroi "Terahertz ESR Measurements of Magnetically Aligned NaCuMoO4(OH)" J. Jpn. Soc. Infrared Science & Technology, Vol. 26, 56 (2016).
Ichihiro Yamauchi, Kazuhiro Nawa, Masatoshi Hiraishi, Masanori Miyazaki, Akihiro Koda, Kenji M. Kojima, Ryosuke Kadono, Hironori Nakao, Reiji Kumai, Youichi Murakami, Hiroaki Ueda, Kazuyoshi Yoshimura, and Masashi Takigawa "Structural anomalies and short-range magnetic correlations in the orbitally degenerate system Sr2VO4" Physical Review B, Vol. 92, 064408 (2015).
H. Ishikawa, M. Yoshida, K. Nawa, M. Jeong, S. Krämer, M. Horvatić, C. Berthier, M. Takigawa, M. Akaki, A. Miyake, M. Tokunaga, K. Kindo, J. Yamaura, Y. Okamoto, and Z. Hiroi "One-Third Magnetization Plateau with a Preceding Novel Phase in Volborthite" Physical Review Letters, Vol. 114, 227202 (2015).
Kazuhiro Nawa, Takeshi Yajima, Yoshihiko Okamoto, and Zenji Hiroi "Orbital Arrangements and Magnetic Interactions in the Quasi-One-Dimensional Cuprates ACuMoO4(OH) (A = Na, K)" Inorganic Chemistry, Vol. 54, 5566-5570 (2015). (cond-mat arXiv:1505.05332v1)
N. Büttgen, K. Nawa, T. Fujita, M. Hagiwara, P. Kuhns, A. Prokofiev, A. P. Reyes, L. E. Svistov, K. Yoshimura, and M. Takigawa "Search for a spin-nematic phase in the quasi-one-dimensional frustrated magnet LiCuVO4" Physical Review B, Vol. 90, 134401 (2014).
Kazuhiro Nawa, Yoshihiko Okamoto, Yoko Kitahara, Syota Yoshida, Shohei Ikeda, Shigeo Hara, Takahiro Sakurai, Susumu Okubo, Hitoshi Ohta, Akira Matsuo, Koichi Kindo, and Zenji Hiroi "NaCuMoO4(OH) as a candidate for the frustrated J1-J2 chain quantum magnet" Journal of the Physical Society of Japan, Vol. 83, 103702 (2014). (cond-mat arXiv:1409.1310v1)
Kazuhiro Nawa, Makoto Yoshida, Masashi Takigawa, and Kazuyoshi Yoshimura "Anisotropic spin fluctuations in the quasi one-dimensional frustrated magnet LiCuVO4" Journal of the Physical Society of Japan, Vol. 82, 094709 (2013). (cond-mat arXiv:1307.2346v1)
Kazuhiro Nawa, Chishiro Michioka, Kazuyoshi Yoshimura, Akira Matsuo, and Koichi Kindo "Magnetic Phase Diagram of Alternating Chain Compound Pb2V3O9" Journal of the Physical Society of Japan, Vol. 80, 034710 (2011). (cond-mat arXiv:1009.6026v1)
プロシーディングス等
S. Asai, T. Oyama, M. Soda, K. Rule, K. Nawa, Z. Hiroi, and T. Masuda "Powder neutron diffraction in one-dimensional frustrated chain compound NaCuMoO4(OD)" Journal of Physics: Conf. Series, Vol. 828, 012006 (2017).
Kazuhiro Nawa, Yoshihiko Okamoto, and Zenji Hiroi "Crystal Growth of a frustrated J1–J2 chain magnet NaCuMoO4(OH)" Journal of Physics: Conf. Series, Vol. 828, 012005 (2017).
Kazuhiro Nawa, Hiroaki Ueda, Kazuyoshi. Yoshimura, and Masashi Takigawa "Synthesis and Magnetic Properties of a Layered Perovskite Sr2VO4" Proceedings of the 2012 Powder Metallurgy World Congress & Exhibition, 16F-T14-21.
K. Nawa, C. Michioka, K. Yoshimura, A. Matsuo, and K. Kindo "Single crystal growth and magnetic property of NH4CuPO4 H2O" Journal of Physics: Conference Series Vol. 344, 012024 (2012).
那波 和宏「（修士論文）スピンギャップ系化合物の単結晶育成と物性研究」 物性研究, Vol. 95-1, p62-p111 (2010).
研究資金
新学術領域研究（ハイパーマテリアル 補空間が創る新物質科学） 公募研究者 近似結晶を舞台とするトポロジカル電子物性の創出 2020-2021年度
若手研究（磁性、超伝導および強相関系関連） 代表者 カゴメ格子反強磁性体におけるマグノンバンドトポロジーの検証 2020-2022年度
湯川記念財団 望月基金 2018年度
若手研究B（物性2） 代表者 一次元フラストレート磁性体におけるスピン・ネマティック秩序の探索と解明 2015-2016年度
受賞歴
第17回 第17回日本中性子科学会奨励賞 (2019)