MAGNETOSPECTROSCOPY OF SHALLOW DONORS IN GAAS

被引:152
作者
STILLMAN, GE
WOLFE, CM
DIMMOCK, JO
机构
[1] Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA
关键词
D O I
10.1016/0038-1098(69)90543-2
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Spectral measurements in the frequency range from 10 to 130 cm-1 in magnetic fields from 0 to 30 kG of the far infrared photoconductivity due to shallow donors in GaAs are reported. The measurements reveal peaks due to the isolated (1s→ 2p) and (1s→ 3p) transitions in addition to a broad continuum at higher energy. From the energy of these peak transitions and their splitting in a magnetic field we obtain a donor ionization energy of 5.86 ± 0.02 meV and an effective mass of0.0665 ± .0005 m0. © 1969.
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页码:921 / &
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