Pyroelectric measurements on a geometrically frustrated spin system CuFeO2 in pulsed high magnetic fields

被引：15
|
作者：
Mitarnura, H. [1 ]
Mitsuda, S. [2 ]
Kanetsuki, S. [2 ]
Katori, H. A. [3 ]
Sakakibara, T. [1 ]
Kindo, K. [1 ]
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[2] Tokyo Univ Sci, Fac Sci, Tokyo 1620825, Japan
[3] RIKEN, Wako, Saitama 3510198, Japan
来源：
YAMADA CONFERENCE LX ON RESEARCH IN HIGH MAGNETIC FIELDS | 2006年 / 51卷
关键词：
D O I：
10.1088/1742-6596/51/1/126
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Dielectric polarization P (parallel to[110]) of a single crystal of a triangular lattice antiferromagnet CuFeO2 has been measured by pyroelectric technique in pulsed high magnetic fields up to 43 T applied along the [001] direction. Among the five phases successively appeared in magnetic fields, a finite P is observed only in the non-colinear incommensurate (5-sublattice like) phase. The present results indicate that no inversion symmetry breaking occurs in the 4th field-induced phase where a non-colinear spin structure is expected.
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页码：557 / +
页数：2
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