COMPOSITION DEPENDENCE OF PHOTOLUMINESCENCE SPECTRA IN ZN1-XMGXSE MIXED-CRYSTALS

被引：12
|
作者：
FIRSZT, F [1 ]
LEGOWSKI, S [1 ]
MECZYNSKA, H [1 ]
SZATKOWSKI, J [1 ]
PASZKOWICZ, W [1 ]
SPOLNIK, ZM [1 ]
机构：
[1] POLISH ACAD SCI,INST PHYS,PL-02668 WARSAW,POLAND
来源：
ACTA PHYSICA POLONICA A | 1995年 / 88卷 / 04期
关键词：
D O I：
10.12693/APhysPolA.88.711
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Zn1-xMgxSe mixed crystals with (x) ranging from 0 to 0.56 were obtained by high pressure Bridgman method. It has been found that a phase transition from sphalerite structure to wurtzite one occurs at x = 0.185 +/- 0.03. The crystals exhibit blue-violet and yellow-green (depending on x) luminescence in the temperature range from 40 K to room temperature. An attempt has been also made to dope Zn1-xMgxSe crystals with Al. The incorporation of Al produces a strong green photoluminescence in the temperature range from 40 K to 300 K but almost completely quenches the near-band-edge emission.
引用
收藏
页码：711 / 714
页数：4
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