Experimental evidence for a spin-Peierls-transition in alpha'-NaV2O5

被引：94
|
作者：
Weiden, M [1 ]
Hauptmann, R [1 ]
Geibel, C [1 ]
Steglich, F [1 ]
Fischer, M [1 ]
Lemmens, P [1 ]
Guntherodt, G [1 ]
机构：
[1] RHEIN WESTFAL TH AACHEN, INST PHYS 2, D-52056 AACHEN, GERMANY
来源：
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1997年 / 103卷 / 01期
关键词：
D O I：
10.1007/s002570050326
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present the first measurements of magnetisation and Raman light scattering on alpha l- NaV2O5 single crystals. Below 34 K, we observe a pronounced isotropic decrease of the susceptibility indicating the opening of a spin gap. The transition temperature is slightly field dependent. Raman experiments reveal a crystallographic distortion at the transition. Our results clearly establish alpha' - NaV2O5 to be the second inorganic spin-Peierls system.
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页码：1 / 3
页数：3
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