Observation of Angle-Dependent Stark Cyclotron Resonance in a Layered Organic Conductor
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概要
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We report novel angle-dependent magnetotransport phenomena in quasi-two-dimensional layered conductors under interlayer electric fields. Interlayer conduction shows the Stark cyclotron resonance when the orbital motion of an electron becomes periodic in \mathbf{k}-space, and the amplitude of the reasonance oscillates depending on magnetic field orientations. A conventional angle-dependent magnetoresistance oscillation switches to this oscillation at high electric fields. Using the organic conductor \alpha-(BEDT-TTF)2NH4Hg(SCN)4, we have successfully observed an angle-dependent Stark cyclotron resonance for the first time.
- 2012-02-15
著者
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Osada Toshihito
Institute For Solid State Physics University Of Tokyo
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Uchida Kazuhito
Institute For Solid State Physics University Of Tokyo
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Konoike Takako
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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KUMAGAI Atsushi
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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