Magnetic properties of the triangular quantum spin tube [(CuCl 2tachH)3Cl]Cl2 studied by NMR and magnetization

Yuji Furukawa, Yuzuru Sumida, Ken Ichi Kumagai, Ferdinando Borsa, Hiroyuki Nojiri, Yusei Shimizu, Hiroshi Amitsuka, Ken Ichi Tenya, Paul Kögerler, Leroy Cronin

研究成果: Conference article査読

6 被引用数 (Scopus)

抄録

Static and dynamical properties of Cu2+ (3d9; S = 1/2) spins in a twisted Heisenberg triangular spin tube, [(CuCl 2tachH)3Cl]Cl2, have been investigated by nuclear magnetic resonance (NMR) and magnetization measurements in the temperature range T 0.05-300 K. Magnetization curves below 0.5 K show a clear change in slope around 5 T, attributed to a signature of 1/3 plateau in magnetization. From a systematic measurement of nuclear spin-lattice relaxation rates as a function of temperature and external field, the fluctuation frequency of Cu2+ spins is found to decrease with decreasing temperature, revealing an unusual slow spin dynamics at low temperatures.

本文言語English
論文番号012047
ジャーナルJournal of Physics: Conference Series
320
DOI
出版ステータスPublished - 2011
イベントInternational Conference on Frustration in Condensed Matter, ICFCM - Sendai, Japan
継続期間: 2011 1月 112011 1月 14

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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