FTIR SPECTROSCOPY OF LONGITUDINAL CONFINED PHONONS AND PLASMON PHONON VIBRATIONAL-MODES IN GAAS(N)/ALAS(M) SUPERLATTICES

被引：3
|
作者：
PUSEP, YA
MILEKHIN, AH
TOROPOV, AI
机构：
[1] Institute of Semiconductor Physics
来源：
SOLID-STATE ELECTRONICS | 1994年 / 37卷 / 4-6期
关键词：
D O I：
10.1016/0038-1101(94)90259-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The longitudinal optical vibrational modes have been studied in doped (GaAs)n(AlAs)m superlattice plasmon have been found. The anlaysis of the experimental results showed that the frequency of superlattice plasmon in the studied superlattices is mostly determined by population of miniband formed by the GAMMA-like conduction-band states. The fitting of the calculated reflection spectra to the experimental ones allowed us to measure the population of minibands, effective mass and vertical mobility of electrons.
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页码：613 / 616
页数：4
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