Study of a quantum spin system possessing spin-singlet and antiferromagnetic-order states

• Project/Area Number: 18540359
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: National Institute for Materials Science
• Principal Investigator: HASE Masashi National Institute for Materials Science, 量子ビームセンター, 主席研究員 (40281654)
• Co-Investigator(Kenkyū-buntansha): OZAWA Kiyoshi 独立行政法人物質・材料研究機構, 光触媒材料センター, 主幹研究員 (90343855) ; HASHI Kenjiro 独立行政法人物質・材料研究機構, ナノ計測センター, 主任研究員 (00321795) ; KUROE Haruhiko 学校法人上智大学, 理工学部, 助教 (40296885) ; SEKINE Tomoyuki 学校法人上智大学, 理工学部, 教授 (60110722)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥660,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
• Keywords: 磁性 / 量子スピン系 / スピン1重項状態 / 反強磁性秩序 / スピン・ギャップ / 反強磁性秩序状態 / ギャップ / Cu_2CdB_2O_6 / 帯磁率 / 磁化

Research Abstract

Cu_2CdB_2O_6、Cu_3(P_2O_6OD)_2、Cu_3Mo_2O_9の磁性を研究した。Cu_2CdB_2O_6には、スピン1/2を担う2種類のCu^<2+>イオンサイトが存在する。当初の予想とは異なり、ともに大きな磁気モーメントを持つことが分かった。Cu_3(P_2O_6OD)_2が1/3磁化プラトーを持つことを発見した。また、そのプラトーの起源であるスピン・ギャップを観測した。Cu_3Mo_2O_9は特異な磁性を持つことを発見した。

Research Products

• [Journal Article] Effects of substitution on quantum spin system having a nearly non-magnetic state and antiferromagnetic long-range order (2009)
  • Author(s): M. Hase, K. Ozawa, and H. Kitazawa
  • Journal Title: J. Phys.: Conference Series 150 Pages: 0420501-4
  • Peer Reviewed
• [Journal Article] Low-temperature magnetization of the low-dimensional magnet Cu3Mo2O9 under high magnetic fields (2009)
  • Author(s): T. Hamasaki, H. Kuroe, T. Sekine, M. Hase, and H. Kitazawa
  • Journal Title: J. Phys.: Conference Series 150 Pages: 0420471-4
  • Peer Reviewed
• [Journal Article] Effects of substitution on quantum spin system having a nearly non-magnetic state and antiferromagnetic long-range order (2009)
  • Author(s): M. Hase, et al.
  • Journal Title: J. Phys. : Conference Series 150 Pages: 0420501-4
  • Peer Reviewed
• [Journal Article] Low-temperature magnetization of the low-dimensional magnet Cu_3Mo_2O_9 under high magnetic fields (2009)
  • Author(s): T. Hamasaki, et al.
  • Journal Title: J. Phys. : Conference Series 150 Pages: 0420471-4
  • Peer Reviewed
• [Journal Article] Successive phase transitions to antiferromagnetic and weak-ferromagnetic long-range order in the quasi-one-dimensional antiferromagnet Cu3Mo2O9 (2008)
  • Author(s): T. Hamasaki, T. Ide, H. Kuroe, T. Sekine, M. Hase, I. Tsukada, and T. Sakakibara
  • Journal Title: Phys. Rev B 77 Pages: 1344191-7
  • Peer Reviewed
• [Journal Article] Enhancement of magnetic frustration caused by Zn doping in quasi-one-dimensional quantum antiferromagnet Cu3Mo2O9 (2008)
  • Author(s): M. Hase, H. Kitazawa K. Ozawa, T. Hamasaki, H. Kuroe, and T. Sekine
  • Journal Title: J. Phys. Soc. Jpn. 77 Pages: 0347061-4
  • NAID: 130005436326
  • Peer Reviewed
• [Journal Article] Neutron scattering studies of spin-1/2 twofold-period (alternating) and threefold-period quantum antiferromagnetic chains (2008)
  • Author(s): M. Hase, K. Ozawa, H. Kitazawa, N. Tsujii, A. Doenni, M. Kohno, X. Hu, M. Matsuda, K. Kakurai, and H. Kuroe
  • Journal Title: J. Appl. Phys 103
  • Peer Reviewed
• [Journal Article] Successive phase transitions to antiferromagnetic and weak-ferromagnetic long-range order in the quasi-one-dimensional antiferromagnet Cu_3Mo_2O_9 (2008)
  • Author(s): T. Hamasaki, et al.
  • Journal Title: Phys. Rev B 77 Pages: 1344191-7
  • Peer Reviewed
• [Journal Article] Neutron scattering studies of spin-1/2 twofold-period(alternateng)and threefold-period quantum antiferromagnetic chains (2008)
  • Author(s): M. Hase
  • Journal Title: J.Appl.Phys. 103
  • Peer Reviewed
• [Journal Article] Enhancement of magnetic frustration caused by Zn doping in quasi-one-dimensional quantum antiferromagnet Cu_3Mo_2O_9 (2008)
  • Author(s): M. Hase
  • Journal Title: J.Phys.Soc.Jpn. 77 Pages: 0347061-4
  • NAID: 110006633488
  • Peer Reviewed
• [Journal Article] Inelastic neutron scattering study of the spin-gap cuprate β-AgCuPO4 (2007)
  • Author(s): M. Hase, M. Matsuda, K. Kakurai, K. Ozawa, H. Kitazawa, N. Tsujii, A. Doenni, and H. Kuroe
  • Journal Title: Phys. Rev. B 76 Pages: 1344031-5
  • Peer Reviewed
• [Journal Article] Direct observation of the energy gap generating the 1/3 magnetization plateau in the spin-1/2 trimer chain compound Cu3(P2O6OD)2 by inelastic neutron scattering measurements (2007)
  • Author(s): M. Hase, M. Matsuda, K. Kakurai, K. Ozawa, H. Kitazawa, N. Tsujii, A. Doenni, M. Kohno, and X. Hu
  • Journal Title: Phys. Rev. B 76 Pages: 0644311-5
  • Peer Reviewed
• [Journal Article] Experimental studies of magnetism of trimer chains (2007)
  • Author(s): M. Hase, M. Kohno, H. Kitazawa, N. Tsujii, O. Suzuki, K. Ozawa, G. Kido, M. Imai, and X. Hu
  • Journal Title: J. Magn. Magn. Mater. 310
  • Peer Reviewed
• [Journal Article] High frequency ESR measurements of antiferromagnetic state in quantum spin system Cu2CdB2O6 (2007)
  • Author(s): S. Mitsudo, M. Yamagishi, T. Fujita, Y. Fujimoto, M. Toda, T. Idehara, and M. Hase
  • Journal Title: J. Magn. Magn. Mater. 310
  • Peer Reviewed
• [Journal Article] Direct observation of the energy gap generating the 1/3 magnetization plateau in the spin-1/2 trimer chain compound Cu_3(P_2O_6OD)_2 by inelastic neutron scattering measurements (2007)
  • Author(s): M. Hase
  • Journal Title: Phys.Rev.B 76 Pages: 0644311-5
  • Peer Reviewed
• [Journal Article] Inelastic neutron scattering study of the spin-gap cuprate β-AgCuPO_4 (2007)
  • Author(s): M. Hase
  • Journal Title: Phys.Rev.B 76 Pages: 1344031-5
  • Peer Reviewed
• [Journal Article] Experimental studies of magnetism of trimer chains (2007)
  • Author(s): M.Hase, M.Kohno, H.Kitazawa, N.Tsujii, O.Suzuki, K.Ozawa, G.Kido, M.Imai, X.Hu
  • Journal Title: J.Magn. Magn. Mater. 310
• [Journal Article] High frequency ESR measurements of antiferromagnetic state in quantum spin system Cu_2CdB_2O_6 (2007)
  • Author(s): S.Mitsudo, M.Yamagishi, T.Fujita, Y.Fujimoto, M.Toda, T.Idehara, M.Hase
  • Journal Title: J. Magn. Magn. Mater. 310
• [Journal Article] Studies of magnetization plateau in two cuprates (2006)
  • Author(s): M. Hase, M. Kohno, H. Kitazawa, N. Tsujii, O. Suzuki, K. Ozawa, G. Kido, M. Imai, and X. Hu
  • Journal Title: J. Phys.: Conference Series 51 Pages: 159-162
  • Peer Reviewed
• [Journal Article] Studies of magnetization plateau in two cuprates (2006)
  • Author(s): M.Hase, M.Kohno, H.Kitazawa, N.Tsujii, O.Suzuki, K.Ozawa, G.Kido, M.Imai, X.Hu
  • Journal Title: J. Phys. : Conference Series 51 Pages: 159-162
• [Presentation] 反強磁性ダイマーとスピン鎖を持つCu2CdB2O6の磁気構造 (2009)
  • Author(s): 長谷正司, Andreas Donni, 河野昌仙, Vladimir Pomjakushin, Lukas Keller, Fabia Gozzo, Antonio Cervellino
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] 低次元磁性体Cu3Mo2O9の強磁場ESR (2009)
  • Author(s): 太田仁、吉田貴久、大久保晋、藤澤真士、浜崎智彰、黒江晴彦、関根智幸、長谷正司、岡邦彦、伊藤利充、永崎洋
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] Cu3Mo2O9におけるS=1/2一次元反強磁性鎖とスピンダイマーの混成磁気分散 (2009)
  • Author(s): 浜崎智彰, 黒江晴彦, 関根智幸, 長谷正司, 松田雅昌, 加倉井和久, 岡邦彦, 伊藤利充, 永崎洋
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] 低次元磁性体Cu3Mo2O9の磁性の圧力効果 (2009)
  • Author(s): 新藤祐, 浜崎智彰, 黒江晴彦, 関根智幸, 赤木暢, 板谷清司, 桑原英樹, 長谷正司
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] 反強磁性ダイマーとスピン鎖を持つCu2CdB206の磁気構造 (2009)
  • Author(s): 長谷正司, ほか
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学、東京都
• [Presentation] 低次元磁性体Cu_3Mo_2O_9の強磁場ESR (2009)
  • Author(s): 太田仁, ほか
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学、東京都
• [Presentation] Cu_3Mo_2O_9におけるS=1/2一次元反強磁性鎖とスピンダイマーの混成磁気分散 (2009)
  • Author(s): 浜崎智彰, ほか
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学、東京都
• [Presentation] 低次元磁性体Cu_3Mo_2O_9の磁性の圧力効果 (2009)
  • Author(s): 新藤祐, ほか
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学、東京都
• [Presentation] 量子スピン系物質の粉末試料の中性子非弾性散乱測定 (2008)
  • Author(s): 長谷正司
  • Organizer: 第2回三機関連携「量子複雑現象」研究会
  • Place of Presentation: 理化学研究所、東京都千代田区
  • Year and Date: 2008-02-12
• [Presentation] 量子スピン系物質の粉末試料の中性子非弾性散乱測定 (2008)
  • Author(s): 長谷 正司
  • Organizer: 第2回三機関連携「量子複雑現象」研究会
  • Place of Presentation: 理化学研究所
  • Year and Date: 2008-02-12
• [Presentation] 低次元磁性体Cu3Mo2O9の反強磁性秩序の磁場依存性 (2008)
  • Author(s): 浜崎智彰, 黒江晴彦, 関根智幸, 赤木暢, 桑原英樹, 長谷正司
  • Organizer: 日本物理学会2007年秋季大会
  • Place of Presentation: 岩手大学
• [Presentation] Effects of substitution on quantum spin system having a nearly non-magnetic state and antiferromagnetic long-range order (2008)
  • Author(s): M. Hase, K. Ozawa, and H. Kitazawa
  • Organizer: The 25th International Conference on Low Temperature Physics (LT25)
  • Place of Presentation: RAI Conference Center, Amsterdam, Netherlands
• [Presentation] Low-temperature magnetization of the low-dimensional magnet Cu3Mo2O9 under high magnetic fields (2008)
  • Author(s): T. Hamasaki, H. Kuroe, T. Sekine, M. Hase, and H. Kitazawa
  • Organizer: The 25th International Conference on Low Temperature Physics (LT25)
  • Place of Presentation: RAI Conference Center, Amsterdam, Netherlands
• [Presentation] Cu2CdB2O6とBaCu2Ge2O7のCuサイト置換の磁性に対する影響 (2008)
  • Author(s): 長谷正司, 小澤清, 北澤英明
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] 低次元磁性体Cu3Mo2O9の高磁場・高圧下の磁性 (2008)
  • Author(s): 黒江晴彦, 浜崎智彰, 関根智幸, 長谷正司, 塚田一郎
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] 低次元磁性体Cu3Mo2O9の低温磁性 (2008)
  • Author(s): 浜崎智彰, 黒江晴彦, 関根智幸, 長谷正司, 塚田一郎, 榊原俊郎
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] Magnetic Excitations in Spin Gap System (2008)
  • Author(s): K. Kakurai, M. Matsuda, M. Hase, K. Ozawa, H. Kitazawa, N. Tsujii, A. Donni, M. Kohno, X. Hu, and H. Kuroe
  • Organizer: The 1st J-PARC International Symposium on Pulsed Neutron and Muon Sciences (IPS08)
  • Place of Presentation: 茨城県市町村会館、Mito, Japan
• [Presentation] Effects of substitution on quantum spin system having a nearly non-magnetic state and antiferromagnetic long-range order (2008)
  • Author(s): M. Hase, et al.
  • Organizer: The 25^<th> International Conference on Low Temperature Physics (LT25)
  • Place of Presentation: RAI Conference Center, Amsterdam, Netherlands
• [Presentation] Low-temperature magnetization of the low-dimensional magnet Cu_3Mo_2O_9 under high magnetic fields (2008)
  • Author(s): T. Hamasaki, et al.
  • Organizer: The 25^<th> International Conference on Low Temperature Physics (LT25)
  • Place of Presentation: RAI Conference Center, Amsterdam, Netherlands
• [Presentation] 低次元磁性体Cu_3Mo_2O_9の反強磁性秩序の磁場依存性 (2008)
  • Author(s): 浜崎智彰, ほか
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学、岩手県
• [Presentation] Magnetic Excitations in Spin Gap System (2008)
  • Author(s): K. Kakurai
  • Organizer: The 1st J-PARC International Symposium International Symposium on Pulsed Neutron and Muon Sciences(IPS08)
  • Place of Presentation: 水戸
• [Presentation] Cu_2CdB_2O_6とBaCu_2Gu_2O_7のCuサイト置換の磁性に対する影響 (2008)
  • Author(s): 長谷 正司
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] 低次元磁性体Cu_3Mo_2O_9の高磁場・高圧下の磁性 (2008)
  • Author(s): 黒江 晴彦
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] 低次元磁性体Cu_3_Mo_2_O_9_の低温磁性 (2008)
  • Author(s): 浜崎 智彰
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
• [Presentation] 量子スピン系の研究者としてアマテラスに期待すること (2007)
  • Author(s): 長谷正司
  • Organizer: JAEA研究会「J-PRAC冷中性子チョッパー型分光器アマテラスによるサイエンス」
  • Place of Presentation: 日本原子力研究開発機構、東海村
• [Presentation] 中性子非弾性散乱測定によるスピン・ギャップ系物質β-AgCuPO4のスピン系の決定 (2007)
  • Author(s): 長谷正司, 松田雅昌, 加倉井和久, 小澤清, 北澤英明, 辻井直人, デニアンドレアス, 黒江晴彦
  • Organizer: 日本中性子科学会第7回年会
  • Place of Presentation: 九州大学、福岡市
• [Presentation] Neutron scattering studies of spin-1/2 twofold- and threefold-period quantum chains (2007)
  • Author(s): M. Hase, M. Matsuda, K. Kakurai, K. Ozawa, H. Kitazawa, N. Tsujii, A. Doenni, M. Kohno, X. Hu, and H. Kuroe
  • Organizer: 52nd Magnetism and Magnetic Materials Conference
  • Place of Presentation: Tampa, Florida, USA
• [Presentation] 低次元磁性体Cu3Mo2O9の磁性III (2007)
  • Author(s): 浜崎智彰, 黒江晴彦, 関根智幸, 長谷正司
  • Organizer: 日本物理学会第61回年会
  • Place of Presentation: 北海道大学、札幌市
• [Presentation] Determination of a Cu-Cu bond having the strongest exchange interaction in the weakly coupled antiferromagnetic dimer substance β-AgCuPO4 (2007)
  • Author(s): M. Hase, M. Matsuda, K. Kakurai, K. Ozawa, H. Kitazawa, N. Tsujii, and A. Doenni
  • Organizer: 4th European Conference on Neutron Scattering (ECNS2007)
  • Place of Presentation: Lund, Sweden
• [Presentation] 中性子非弾性散乱測定によるスピン・ギャップ系物質(β-AgCuPO_4のスピン系の決定 (2007)
  • Author(s): 長谷 正司
  • Organizer: 日本中性子科学会第7回年会
  • Place of Presentation: 九州大学
• [Presentation] 量子スピン系の研究者としてアマテラスに期待すること (2007)
  • Author(s): 長谷 正司
  • Organizer: JAEA研究会「J-PRAC冷中性子チョッパー型分光器アマテラスによるサイエンス」
  • Place of Presentation: 日本原子力研究開発機構
• [Presentation] Determination of a Cu-Cu bond having the strongest exchange interaction in the weakly coupled antiferromagnetic dimer substance β-AgCuPO_4 (2007)
  • Author(s): M. Hase
  • Organizer: 4th European Conference on Neutron Scattering(ECNS2007)
  • Place of Presentation: ルンド
• [Presentation] Neutron scattering studies of spin-1/2 twofold-and threefold-period quantum chains (2007)
  • Author(s): M. Hase
  • Organizer: 52nd Magnetism and Magnetic Materials Conference
  • Place of Presentation: タンパ
• [Presentation] 低次元磁性体Cu_3Mo_2O_9の磁性III (2007)
  • Author(s): 浜崎 智彰
  • Organizer: 日本物理学会第61回年次大会
  • Place of Presentation: 北海道大学
• [Remarks] ホームページ
  • URL: http://www.nims.go.jp/nsg/index.html