Shubnikov-de Haas effect and angular-dependent magnetoresistance oscillation of kappa-(BETS)(2)GaCl4

被引：14
|
作者：
Tajima, H
Kobayashi, A
Naito, T
Kobayashi, H
机构：
[1] TOHO UNIV,FAC SCI,DEPT CHEM,FUNBASHI,CHIBA 274,JAPAN
[2] INST MOLEC SCI,OKAZAKI,AICHI 444,JAPAN
来源：
SOLID STATE COMMUNICATIONS | 1996年 / 98卷 / 08期
关键词：
organic crystals; metal; electronic band structure;
D O I：
10.1016/0038-1098(96)00084-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Shubnikov-de Haas (SdH) effect and angular-dependent magnetoresistance oscillation (ADMRO) were observed in magnetoresistance measurements at 0.5 K for an organic conductor kappa-(BETS)(2)GaCl4. From a frequency of a SdH oscillation, a Fermi surface cross-section perpendicular to the crystallographic b-axis is estimated to be 4.20 x 10(15)cm(-2), which corresponds to 105% of the first Brillouin zone. From the results of ADMRO, a Fermi wave number along the crystallographic c-axis is evaluated to be 0.35 Angstrom(-1). Both results are consistent with a band structure calculated on the basis of the extended Huckel method.
引用
收藏
页码：755 / 759
页数：5
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