HALL-MOBILITY AND TEMPERATURE-DEPENDENT PHOTOLUMINESCENCE OF CARBON-DOPED GAAS

被引：13

作者：

KIM, SI ^{[1
]}

KIM, Y ^{[1
]}

LEE, MS ^{[1
]}

KIM, MS ^{[1
]}

MIN, SK ^{[1
]}

LEE, CC ^{[1
]}

机构：

[1] KOREA ADV INST SCI & TECHNOL, DEPT PHYS, TAEJON 305701, SOUTH KOREA

来源：

SOLID STATE COMMUNICATIONS | 1993年 / 88卷 / 09期

关键词：

D O I：

10.1016/0038-1098(93)90637-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have analyzed Hall mobilities and photoluminescence (PL) spectra of carbon(C)-doped GaAs epilayers as a function of hole concentration and temperature. We have obtained an empirical relation of hole concentration dependent Hall mobility appropriate for C-doped GaAs which have higher Hall mobilities than Zn-doped GaAs. By PL measurement, temperature dependence of band gap energy E(g) and PL peak energy E(M) shift of C-doped GaAs with a hole concentration of 9.2 x 10(19) cm(-3) have been measured. The resulting E(g) and E(M) at 0 K are (1.420 +/- 0.003) eV and (1.458 +/- 0.003) eV, respectively. The PL peak energy of C-doped GaAs with hole concentrations varying from 1 x 10(17) to 9.2 x 10(19) cm(-3) have been measured and compared with previously reported data.

引用

页码：743 / 746

页数：4

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