Millimetre Wave response of alpha-(BEDT-TTF)(2)NH4Hg(SCN)(4)

被引:9
作者
Ardavan, A
Singleton, J
Hayes, W
Polisski, A
Goy, P
Kurmoo, M
Day, P
机构
[1] RUSSIAN ACAD SCI, INST SOLID STATE PHYS, CHERNOGOLOVKA 142432, RUSSIA
[2] AB MILLIMETRE, F-75005 PARIS, FRANCE
[3] UCL ROYAL INST GREAT BRITAIN, LONDON W1X 4BC, ENGLAND
关键词
electron spin resonance; cyclotron resonance; quantum oscillations; organic superconductors; ET salts;
D O I
10.1016/S0379-6779(97)80324-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present the results of a study of the millimetre-wave response of the organic metal alpha-(BEDT-TTF)(2)NH4Hg(SCN)(4), between 500 mK and 4.2 K and in magnetic fields of up to 17 T. Two relatively broad features are interpreted as a two dimensional (2D) cyclotron resonance (CR) with a CR mass m(2D)(CR) = 1.35 +/- 0.1 m(e), and a 1D CR with CR mass m(1D)(CR) = 0.85 +/- 0.05 m(e). Conduction electron spin resonance and magnetic quantum oscillations are also observed. Analysis of the quantum oscillations yields an effective mass of m(RF)* = 2.7 +/- 0.2 m(e).
引用
收藏
页码:1501 / 1502
页数:2
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