LiVGe2O6, an anomalous quasi-1D, S=1 system, as revealed by NMR

被引：35

作者：

Gavilano, JL ^{[1
]}

Mushkolaj, S

Ott, HR

Millet, P

Mila, F

机构：

[1] ETH Honggerberg, Festkorperphys Lab, CH-8093 Zurich, Switzerland

[2] Ctr Elaborat Mat & Etud Struct, F-31055 Toulouse, France

[3] Univ Toulouse 3, Phys Quant Lab, F-31062 Toulouse, France

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.85.409

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the results of Li-7 nuclear magnetic resonance (NMR) studies of LiVGe2O6,a quasi-one-dimensional spin S = 1 model system, at low temperatures. Our data, including NMR spectra and the temperature dependence of the spin-lattice relaxation rate T-l(-1) indicate that a first-order phase transition occurs at T-c similar or equal to 23 K. The NMR response of LiVGe2O6 below T-c suggests that the ordered phase is antiferromagnetic and has unusual features. Possible reasons for this unexpected behavior are discussed.

引用

页码：409 / 412

页数：4

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