DETERMINATION OF THE VALENCE-BAND DISCONTINUITY OF INP-IN1-XGAXP1-ZASZ (X-0.13,Z-0.29) BY QUANTUM-WELL LUMINESCENCE

被引:27
作者
CHIN, R [1 ]
HOLONYAK, N [1 ]
KIRCHOEFER, SW [1 ]
KOLBAS, RM [1 ]
REZEK, EA [1 ]
机构
[1] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801
关键词
D O I
10.1063/1.90702
中图分类号
O59 [应用物理学];
学科分类号
摘要
By means of liquid-phase epitaxy, undoped single-quantum-well layers of In1-xGaxP1-zAsz (x∼0.13, z∼0.29) of thickness Lz∼150 Å are grown embedded in InP and are examined in photoluminescence. Hot-electron recombination from E c (InP) to bound holes in the quaternary quantum well leads to stimuated emission in a band ∼80 meV below Eg (InP) and thus to an estimate of ΔEv∼80 meV (ΔEc∼Δ Ev) for the InP-InGaPAs valence-band discontinuity.
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页码:862 / 864
页数:3
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