Publications

• 新居 陽一

  "人工系でのトポロジカル音波とエッジ状態"

  レーザー研究, 53巻, 05号, 246-250 (2025)
  
• A. H. Mayo, D. Deaconu, H. Masuda, Y. Nii, H. Takahashi, R. V. Belosludov, S. Ishiwata, M. S. Bahramy, and Y. Onose

  "Band-asymmetry-driven nonreciprocal electronic transport in a helimagnetic semimetal α-EuP3"

  Proc. Natl. Acad. Sci. 122, e2405839122 (2025)
  arXiv:2404.13856

  プレスリリース："磁気構造のねじれによる整流効果の機構を解明"
• Y. Kimoto, H. Masuda, T. Seki, Y. Nii, and Y. Onose

  "Current-induced sliding motion in a helimagnet MnAu2"

  Phys. Rev. Lett. 134, 056702 (2025)
  arXiv:2403.00167

  プレスリリース："らせん磁気構造の位置を電流で操作できることを実証"
• Y. Nii, K. Yamamoto, M. Kanno, S. Maekawa, and Y. Onose

  "Observation of Nonreciprocal Diffraction of Surface Acoustic Wave"

  Phys. Rev. Lett. 134, 027001 (2025)
  arXiv:2405.18817

  プレスリリース："音波の新しい伝播現象を発見"

• S. Tajima, H. Masuda, Y. Nii, S. Kimura, Y. Onose

  "A high-temperature multiferroic Tb₂(MoO₄)₃"

  Commun. Mater 5, 267(2024)

  プレスリリース："磁性と強誘電性を併せ持つマルチフェロイクス動作温度を室温から160℃まで上昇させることに成功"
• Y. Nii

  "A New Pathway of Solid-State Cooling with Multiferroic"

  JPSJ News Comments 21, 16 (2024)
• Y. Ishii, Y. Yamasaki, Y. Kozuka, J. Lustikova, Y. Nii, Y. Onose, Y. Yokoyama, M. Mizumaki, J. Adachi, H. Nakao, T. Arima, and Y. Wakabayashi

  "Microscopic evaluation of spin and orbital moment in ferromagnetic resonance"

  Sci. Rep. 14, 15504 (2024)
• H. Masuda, T. Seki, J. Ohe, Y. Nii, H. Masuda, K. Takanashi, and Y. Onose

  "Room temperature chirality switching and detection in a helimagnetic MnAu2 thin film"

  Nat. Commun. 15, 1999 (2024)

• Y. Nii, and Y. Onose

  "Imaging an Acoustic Topological Edge Mode on a Patterned Substrate with Microwave Impedance Microscopy"

  Phys. Rev. Applied 19, 014001 (2023), Editor's suggestion
  arXiv:2206.02318

  プレスリリース："数学の原理で高周波の新型音響導波路を開発"

• S. Hirose, Y. Iguchi, Y. Nii, T. Kimura, and Y. Onose
  

  "Nonreciprocal microwave response at room temperature in multiferroic Y-type hexaferrite BaSrCo2Fe11AlO22"
  

  Appl. Phys. Lett. 121, 222401 (2022)
  
• Y. Nii, Y. Hirokane,S. Nakamura, S. Kimura, Y. Tomioka, T. Nojima, and Y. Onose

  "Elastic study of electric quadrupolar correlation in the paramagnetic state of a frustrated quantum magnet Tb2+δTi2−δO7"
  

  Phys. Rev. B 105, 094414 (2022).
  
• T. Manjo, S. Kitou, N. Katayama, S. Nakamura, T. Katsufuji, Y. Nii, T. Arima, J. Nasu, T. Hasegawa, K. Sugimoto, D. Ishikawa, A. Q. R. Baron, and H. Sawa

  "Do electron distributions with orbital degree of freedom exhibit anisotropy?"

  Mater. Adv. 3, 3192 (2022).
  

• Y. Nii, Y. Hirokane, T. Koretsune, D. Ishikawa, A. Q. R. Baron, and Y. Onose
  

  "Effect of symmetry breaking on short wavelength acoustic phonons in the chiral magnet MnSi"
  

  Phys. Rev. B 104, L081101 (2021).
  
• M. Akaike, Y. Nii, H. Masuda, and Y. Onose
  

  "Nonreciprocal electronic transport in PdCrO2: Implication of spatial inversion symmetry breaking"
  

  Phys. Rev. B 103, 184428 (2021).
  
• R. Sasaki, Y. Nii, Y. Onose
  

  "Magnetization control by angular momentum transfer from surface acoustic wave to ferromagnetic spin moments"
  

  Nature Communications 12, 2599 (2021).
  
• N. Jiang, Y. Nii, H. Arisawa, E. Saitoh J. Ohe, Y. Onose
  

  "Chirality memory Stored in Magnetic Domain Walls in the Ferromagnetic State of MnP"
  

  Phys. Rev. Lett. 126, 177205 (2021). Editors' suggestion
  

• Y. Hirokane, Y. Nii, H. Masuda, Y. Onose
  

  "Nonreciprocal thermal transport in a multiferroic helimagnet"
  

  Sci. Adv. 6, eabd3703 (2020).
  
• N. Jiang, Y. Nii, H. Arisawa, E. Saitoh, and Y. Onose
  

  "Electrical current control of spin helicity in an itinerant helimagnet"
  

  Nat. Commun. 11, 1601 (2020).
  

• Y. Hirokane, Y. Nii, Y. Tomioka, and Y. Onose
  

  "Phononic thermal Hall effect in diluted terbium oxides"
  

  Phys. Rev. B 99, 0134419 (2019).
  
• R. Sasaki, Y. Nii, and Y. Onose
  

  "Surface acoustic wave coupled to magnetic resonance on a multiferroic CuB2O4"
  

  Phys. Rev. B 99, 014418 (2019).
  

• Y. Iguchi, Y. Nii, M. Kawano, H. Murakawa, N. Hanasaki, Y. Onose
  

  "Microwave non-reciprocity of magnon excitations in a non-centrosymmetric antiferromagnet Ba2MnGe2O7"
  

  Phys. Rev. B 98, 064416 (2018).
  
• Y. Ishii, R. Sasaki, Y. Nii, T. Ito, and Y. Onose
  

  "Magnetically Controlled Surface AcousticWaves on Multiferroic BiFeO3"
  

  Phys. Rev. Applied 9, 034034 (2018).
  

• N. Jiang, Y. Nii, R. Ishii, Z. Hiroi, and Y. Onose

  "Magnetotransport properties in the noncentrosymmetric itinerant ferromagnet Cr11Ge19"
  

  Phys. Rev. B 96, 144435 (2017).
  
• K. Matsuura, H. Sagayama, A. Uehara, Y. Nii, R. Kajimoto, K. Kamazawa, K. Ikeuchi, S. Ji, N. Abe, and T. Arima

  "Spin-Orbital Correlated Dynamics in the Spinel-Type Vanadium Oxide MnV2O4"
  

  Phys. Rev. Lett. 119, 017201 (2017).
  
• Y. Iguchi, Y. Nii, and Y. Onose
  

  "Magnetoelectrical control of nonreciprocal microwave response in a multiferroic helimagnet"
  

  Nature Communications 8, 15252 (2017). (arxiv:1607.06889.)
  プレスリリース ："マルチフェロイクスにおけるマイクロ波非相反性の電気的制御".
• Y. Nii, R. Sasaki, Y. Iguchi, and Y. Onose
  

  "Microwave Magneto-chiral Effect in the Non-centrosymmetric Magnet CuB2O4"
  

  J. Phys. Soc. Jpn. 86, 024707 (2017). (arxiv:1605.07414.)
  JPSJ Editor's choice に選ばれました。
  JPSJ News Comments : Magnet as a Switchable One-way Street.
  
• R. Sasaki, Y. Nii, Y. Iguchi, and Y. Onose
  

  "Nonreciprocal propagation of surface acoustic wave in Ni/LiNbO3"
  

  Phys. Rev. B 95, 020407(R) (2017). (arXiv:1605.04058.)
  

• 新居陽一, 中島多朗, 有馬孝尚, 岩佐義宏
  

  "圧力印加によるスキルミオン相の生成・消滅"
  

  応用物理 第85巻 第10号 885 (2016).
  
• N. Kanazawa, Y. Nii, X. –X. Zhang, A. Mishchenko, G. De Filippis, F. Kagawa, Y. Iwasa, N. Nagaosa, and Y. Tokura
  

  "Critical phenomena of emergent magnetic monopoles in a chiral magent"
  

  Nature Communications 7, 11622 (2016).
  プレスリリース ："固体中の磁気モノポールが生み出す電磁気効果を観測".
  
• Y. Murakami, T. Suzuki, Y. Nii, S. Murai, T. Arima, R. Kainuma and D. Shindo
  

  "Application of strain to orbital-spin-coupled system MnV2O4 at cryogenic temperatures within a transmission electron microscope"
  

  Microscopy 1-10, (2016).
  

• Y. Nii, T. Nakajima, A. Kikkawa, Y. Yamasaki, K. Ohishi, J. Suzuki, Y. Taguchi, T. Arima, Y. Tokura and Y. Iwasa
  

  "Uniaxial stress control of skyrmion phase"
  

  Nature Communications 6, 8539 (2015).
  プレスリリース ：(英語）"Just a touch of skyrmions". (日本語) "磁気渦を押すだけで生成・消去できる新手法を発見". 科学新聞(11月6日付 6面)に記事が掲載されました。
  フジサンケイビジネスアイ(11月19日付)に記事が掲載されました。
  
• K. Matsuura, H. Sagayama, Y. Nii, N. D. Khanh, N. Abe, and T. Arima
  

  "X-ray magnetic circular dichroism study of an orbital ordered state in the spinel-type vanadium oxide AV2O4 (A = Mn, Fe)"
  

  Phys. Rev. B 92, 035133 (2015).
  

• Y. Nii, A. Kikkawa, Y. Taguchi, Y. Tokura and Y. Iwasa
  

  "Elastic Stiffness of a Skyrmion Crystal"
  

  Phys. Rev. Lett. 113, 267203 (2014).
  RIKEN Research Highlights "Skyrmions get a sonic touch".

• Y. Nii, H. Sagayama, K. Umetsu, N. Abe, K. Taniguchi, T. Arima
  

  "Interplay among spin, orbital, and lattice degrees of freedom in a frustrated spinel Mn3O4"
  

  Phys. Rev. B 87, 195115 (2013).
  
• Y. Nii, N. Abe, T. Arima
  

  "Orbital-spin-coupled fluctuations in spinel vanadate MnV2O4"
  

  Phys. Rev. B 87, 085111 (2013).
  
• Y. Murakami, Y. Nii, T. Arima, D. Shindo, K. Yangisawa, A. Tonomura,
  

  "TEM studies of domain formation mechanisms in MnV2O4"
  

  J. Alloys Compd. 577, S731-S735 (2013).
  

• Y. Nii, H. Sagayama, T. Arima, S. Aoyagi, R. Sakai, S. Maki, E. Nishibori, H. Sawa, K. Sugimoto, H. Ohsumi, M. Takata
  

  "Orbital structures in spinel vanadates AV2O4 (A = Fe, Mn)"
  

  Phys. Rev. B 86, 125142 (2012).
  
• Y. Nii, N. Abe, K. Taniguchi, and T. Arima,
  

  "Magnetic shape memory effect in orbital-spin-coupled system MnV2O4"
  

  Appl. Phys. Lett. 100, 051905 (2012).
  
• Y. Murakami,Y. Nii, T. Arima, D. Shindo, K. Yanagisawa, and A. Tonomura,
  

  "Magnetic domain structure in the orbital-spin-coupled system MnV2O4"
  

  Phys. Rev. B 84, 054421 (2011).
  
• Y. Nii, T. Arima, H. Y. Kim, and S. Miyazaki,
  

  "Effect of randomness on ferroelastic transitions: Disorder-induced hysteresis loop rounding in Ti-Nb-O martensitic alloy"
  

  Phys. Rev. B 82, 214104 (2010).
  
• Y. Nii, H. Y. Kim, S. Miyazaki
  

  "Effect of Nb Content on Plastic Deformation Behavior and Deformation Textures of Ti-Nb-Zr-Ta-O Alloy"
  

  J. Japan Inst. Met. Mater., 72, 970-974 (2008).