STUDY ON CYCLOTRON RESONANCE SPECTRA OF TWO-DIMENSIONAL ELECTRON GASES IN PSEUDOMORPHIC InxGa1-xAs/In0.52Al0.48As HETEROJUNCTIONS | Zendy

Zhanghai Chen | Zendy; HU CAN-MING | Zendy; Chen Jianxin | Zendy; SHI GUO-LIANG | Zendy; Pulin Liu | Zendy; Xuechu Shen | Zendy; LI Ai-zhen | Zendy

Open Access

STUDY ON CYCLOTRON RESONANCE SPECTRA OF TWO-DIMENSIONAL ELECTRON GASES IN PSEUDOMORPHIC InxGa1-xAs/In0.52Al0.48As HETEROJUNCTIONS

Author(s) -

Zhanghai Chen,

HU CAN-MING,

Chen Jianxin,

SHI GUO-LIANG,

Pulin Liu,

Xuechu Shen,

LI Ai-zhen

Publication year - 1998

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.47.1018

Subject(s) - scattering , cyclotron resonance , electron , condensed matter physics , spectral line , heterojunction , fermi gas , materials science , impurity , atomic physics , shubnikov–de haas effect , cyclotron , physics , quantum oscillations , optics , quantum mechanics , astronomy

The electron effective masses, scattering time and mobilities near the Fermi level for the lowest two subbands of the two-dimensional electron gases in a pseudomorphic In0.80Ga0.20As/In0.53Ga0.47As/In0.52Al0.48AsHEMT structure are determined by fitting the cyclotron resonance spectra. The significant enhancement of the electron effective masses, resulting from the conduction band nonparabolicity and the wave function penetration, is observed. The evident subband dependencies of the electron scattering time and mobilities dominated by the alloy scattering and ionized impurities scattering are also discussed.

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