DIRECT DETERMINATION OF THE AMBIPOLAR DIFFUSION LENGTH IN STRAINED IN(X)GA(1-X)AS/INP QUANTUM-WELLS BY CATHODOLUMINESCENCE

被引:7
作者
LEE, RB [1 ]
VAHALA, KJ [1 ]
ZAH, CE [1 ]
BHAT, R [1 ]
机构
[1] BELLCORE,RED BANK,NJ 07701
关键词
D O I
10.1063/1.109381
中图分类号
O59 [应用物理学];
学科分类号
摘要
The ambipolar diffusion length is measured in strained InxGa1-xAs/InP quantum wells for several mole fractions in the interval 0.3<x<0.8 by cathodoluminescence. The ambipolar diffusion length is found to have a significantly higher value in the lower indium mole fraction samples corresponding to tensile-strained wells. This longer diffusion length for the tensile samples is consistent with results of carrier lifetime experiments by M. C. Wang, K. Kash, C. E. Zah, R. Bhat, and S. L. Chuang [Appl. Phys. Lett. 62, 166 (1993)].
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收藏
页码:2411 / 2412
页数:2
相关论文
共 5 条
[1]   ELECTRONIC-STRUCTURES OF IN1-XGAXAS-INP STRAINED-LAYER QUANTUM WELLS [J].
HOUNG, MP ;
CHANG, YC .
JOURNAL OF APPLIED PHYSICS, 1989, 65 (12) :4990-4994
[2]  
ROOSBROECK WV, 1955, J APPL PHYS, V26, P380
[3]   MEASUREMENT OF NONRADIATIVE AUGER AND RADIATIVE RECOMBINATION RATES IN STRAINED-LAYER QUANTUM-WELL SYSTEMS [J].
WANG, MC ;
KASH, K ;
ZAH, CE ;
BHAT, R ;
CHUANG, SL .
APPLIED PHYSICS LETTERS, 1993, 62 (02) :166-168
[4]   EFFECT OF AL MOLE FRACTION ON CARRIER DIFFUSION LENGTHS AND LIFETIMES IN ALXGA1-XAS [J].
ZAREM, HA ;
LEBENS, JA ;
NORDSTROM, KB ;
SERCEL, PC ;
SANDERS, S ;
ENG, LE ;
YARIV, A ;
VAHALA, KJ .
APPLIED PHYSICS LETTERS, 1989, 55 (25) :2622-2624
[5]   DIRECT DETERMINATION OF THE AMBIPOLAR DIFFUSION LENGTH IN GAAS/ALGAAS HETEROSTRUCTURES BY CATHODOLUMINESCENCE [J].
ZAREM, HA ;
SERCEL, PC ;
LEBENS, JA ;
ENG, LE ;
YARIV, A ;
VAHALA, KJ .
APPLIED PHYSICS LETTERS, 1989, 55 (16) :1647-1649