Frustrated magnet Li2ZrCuO4 - paramagnetism meets paraelectricity

被引：0
|
作者：
Vavilova, E. [1 ,2 ]
Arango, Y. [2 ]
Sotnikov, A. [2 ,5 ]
Kataev, V. [2 ]
Drechsler, S. -L. [2 ]
Moskvin, A. S. [3 ]
Vasiliev, A. [4 ]
Volkova, O. [4 ]
Buechner, B. [2 ]
机构：
[1] Zavoisky Phys Tech Inst, Kazan 420029, Russia
[2] IFW Dresden, D-01171 Dresden, Germany
[3] Ural State Univ, Ekaterinburg, Russia
[4] Moscow MV Lomonosov State Univ, Moscow, Russia
[5] RAS, AF Ioffe Phys Tech Inst, St Petersburg, Russia
来源：
INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009) | 2010年 / 200卷
关键词：
D O I：
10.1088/1742-6596/200/1/012218
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By measuring Li-7 nuclear magnetic resonance, Cu2+ electron spin resonance and a complex dielectric constant in the frustrated spin-1/2 chain compound gamma-Li2ZrCuO4 we find that the electric sublattice of mobile Li+ ions orders glass-like at T-g similar to 100 K. This yields the emergence of non-equivalent spin sites in the spin-1/2 CuO2 chains. We suggest that such a remarkable interplay between electrical and spin degrees of freedom may influence the properties of the spiral spin state in Li2ZrCuO4 which develops in this material at low temperatures.
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页数：4
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