Angular Dependent Magnetoresistance Oscillation of a Quasi-Two-Dimensional System in a Periodic Potential
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概要
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(BEDT-TTF)_2MHg(SCN)_4[M : K, Rb, Tl] shows typical two-dimensional angular dependent magnetoresistance oscillation (ADMRO) at high temperatures (T> 8 K), but at lower temperatures it shows anomalously large magnetoresistance, and the AD-MRO pattern changes. These low-temperature behaviors are explained as effects of a periodic potential. The present explanation is different from that by Kartsovnik et al. [J. Phys. I 3 (1993) 1187] in that reconstruction of the cylindrical Fermi surface into an open Fermi surface is not assumed. It is also predicted that if the periodic potential exists at quantizing magnetic field, where only a few Landau subbands cross the Fermi level, a resistivity peak of new origin should be observed.
- 社団法人日本物理学会の論文
- 1995-09-15
著者
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Yoshioka Daijiro
Institute For Solid State Physics University Of Tokyo
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Yoshioka Daijiro
Institute Of Physics College Of Arts And Sciences University Of Tokyo
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