Magnetic quantum oscillations in the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br

被引：0
|
作者：
H. Weiss
M. V. Kartsovnik
W. Biberacher
E. Steep
A. G. M. Jansen
N. D. Kushch
机构：
[1] Walther-Meissner-Institut,Institute of Chemical Physics
[2] High Magnetic Field Laboratory,Institute of Solid State Physics
[3] Russian Academy of Sciences,undefined
[4] Russian Academy of Sciences,undefined
来源：
Journal of Experimental and Theoretical Physics Letters | 1997年 / 66卷
关键词：
74.70.Kn; 73.50.Jt;
D O I：
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中图分类号：
学科分类号：
摘要：
The interlayer magnetoresistance of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2)Br is measured at ambient pressure and under pressures of up to 12.5 kbar. In addition to the slow Shubnikov-de Haas oscillations with a frequency of ≃150 T observed at P⩾5 kbar, rapid oscillations attributed to the magnetic breakdown orbit enveloping an area equal to 100% of the area of the Brillouin zone are found to emerge above B=20 T. The latter oscillations are observed at ambient pressure as well as under pressures of up to 9 kbar.
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页码：202 / 207
页数：5
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