POLARON CYCLOTRON-RESONANCE OBSERVED FOR N-TYPE ZNSE IN HIGH MAGNETIC-FIELDS UP TO 180-T

被引：24

作者：

IMANAKA, Y ^{[1
]}

MIURA, N ^{[1
]}

KUKIMOTO, H ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,IMAGING SCI & ENGN LAB,YOKOHAMA,KANAGAWA 227,JAPAN

来源：

PHYSICAL REVIEW B | 1994年 / 49卷 / 24期

关键词：

D O I：

10.1103/PhysRevB.49.16965

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have observed cyclotron resonance and impurity cyclotron resonance (1s-2p+ transition) in a wide far-infrared wavelength range between 9.27 and 70.5 mum under pulsed high magnetic fields up to 180 T. A very large resonant polaron effect reflecting a large electron-phonon coupling constant was observed in both resonances, as well as a large nonparabolicity. The experimental results of cyclotron resonance were found to be in good agreement with a theoretical calculation based on the Wiper-Brillouin second-order perturbation theory taking account of the nonparabolicity. The impurity cyclotron-resonance data can also be well explained by a variational calculation. The donor ionization energy was found to increase by a factor of 2.39 at 180 T due to the magnetic freeze-out effect.

引用

页码：16965 / 16970

页数：6

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