PHOTOLUMINESCENCE OF SEMIMAGNETIC PBEUTE/PBTE QUANTUM-WELLS IN MAGNETIC-FIELDS

被引:5
|
作者
SPRINGHOLZ, G
KRIECHBAUM, M
HOFMANN, W
GEIST, F
PASCHER, H
SHU, Y
KRENN, H
BAUER, G
机构
[1] GRAZ UNIV,INST THEORET PHYS,A-8010 GRAZ,AUSTRIA
[2] UNIV BAYREUTH,W-8580 BAYREUTH,GERMANY
关键词
D O I
10.1006/spmi.1993.1005
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Pb1-xEuxTe/PbTe quantum wells with wide barriers (dB =20-50 nm, x < 3%) and PbTe wells (dQW = 5.3⋯ 15.6 nm) were grown by molecular beam epitaxy on Pb1-xEuxTe buffers (d = 1⋯ 5 μm) and characterized by high resolution x-ray diffraction. Interband photoluminescence (PL) was studied in applied magnetic fields up to 7 T. Far and midinfrared transmission experiments gave information on transitions involving higher subbands as well. The results are analyzed using an envelope function calculation and yield information on the conduction and valence band offsets. © 1993 Academic Press. All rights reserved.
引用
收藏
页码:25 / 28
页数:4
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