PHOTOLUMINESCENCE FROM TWO-DIMENSIONAL ELECTRONS AT SINGLE HETEROJUNCTIONS

被引：7

作者：

YANG, CH ^{[1
]}

LYON, SA ^{[1
]}

TU, CW ^{[1
]}

机构：

[1] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1987年 / 3卷 / 03期

关键词：

In summaryw; e have observedp hotoluminescence from two dimensionaell ectronsin single GaAs/AIGaAs heterostructureEsx citationw ith UV greatly enhances (comparedt o IR) the sensitivityo f the measurement. This luminescencper obablyo riginatesfr om free two di-mensionaell ectronrse combininwgi th holest rappedo n ac-ceptorsa t or neart hei nterface.W ith a positiveb ias; the luminescencfero m electronsa t the interfaces hifts to highere nergies.O ur observatiodne monstratethse feasibility of doingo pticals pectroscopoyn high mobilitye lec-tronsi n singleh eterostructures. The authorsw ould like to acknowledgDe. C. Tsui; M.J. Chou and J.M. Worlock for helpfuld iscussionasn d suggestionsIn. particularw; e thankD .C. Tsui for providing a varietyo f singleh eterojunctiosna mples.T he work at Princetonw as supportedin part by RCA; the GE Foundationt; h e Ford Motor Co; Bell Communications Researcha nd the National ScienceF oundationt hrough the PresidentiaYlo ung InvestigatoPrr ogram; a nd by the DefenseA dvancedR esearchP rojectsA gencyt hrought he 2DEG. The dashedli nes tracet he movement of thesefe aturews ith gateb ias;

D O I：

10.1016/0749-6036(87)90070-X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

引用

页码：269 / 271

页数：3

共 10 条

[1] ELECTRONIC-PROPERTIES OF TWO-DIMENSIONAL SYSTEMS [J].