HOLE-TUNNELING DYNAMICS IN BIASED GAAS/AL0.35GA0.65AS ASYMMETRIC DOUBLE QUANTUM-WELLS

被引：29

作者：

NIDO, M ^{[1
]}

ALEXANDER, MGW ^{[1
]}

RUHLE, WW ^{[1
]}

KOHLER, K ^{[1
]}

机构：

[1] FRAUNHOFER INST APPL SOLID STATE PHYS,W-7800 FREIBURG,GERMANY

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.43.1839

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hole tunneling is investigated by picosecond photoluminescence in two biased asymmetric double-quantium-well samples with different hole subband spacing. Spatially indirect excitons are observed above a threshold field. The energy difference between the wide-well direct and the crossed indirect exciton reveals the energy differences between hole subbands. Nonresonant tunneling with fast transfer times occurs above this threshold field without the contribution of optical phonons. Resonances in the hole-tunneling-transfer times occur at higher fields and are ascribed to mixing effects between heavy and light holes in adjacent wells.

引用

页码：1839 / 1842

页数：4

共 20 条

[1] TIME-RESOLVED MEASUREMENTS OF TUNNELING BETWEEN DOUBLE QUANTUM WELLS IN IN0.53GA0.47AS/INP
ALEXANDER, MGW
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[2] RESONANT-TUNNELING TRANSFER TIMES BETWEEN ASYMMETRIC GAAS AL0.35GA0.65AS DOUBLE QUANTUM-WELLS
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[4] MEASUREMENTS OF THE ELECTRON-HOLE BINDING-ENERGY IN COUPLED GAAS ALGAAS QUANTUM WELLS
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[5] ELECTRON-TUNNELING TIME MEASURED BY PHOTOLUMINESCENCE EXCITATION CORRELATION SPECTROSCOPY
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[J]. APPLIED PHYSICS LETTERS, 1989, 54 (06) : 552 - 554
[6] NOVEL CONFIGURATION OF SELF-ELECTRO-OPTIC EFFECT DEVICE BASED ON ASYMMETRIC QUANTUM WELLS
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[J]. APPLIED PHYSICS LETTERS, 1988, 53 (09) : 779 - 781
[7] EFFECT OF COLLISIONS AND RELAXATION ON COHERENT RESONANT TUNNELING - HOLE TUNNELING IN GAAS/ALXGA1-XAS DOUBLE-QUANTUM-WELL STRUCTURES
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[J]. PHYSICAL REVIEW B, 1990, 42 (11): : 7065 - 7068
[8] TUNNELING IN SEMICONDUCTOR HETEROSTRUCTURES STUDIED BY SUBPICOSECOND 4-WAVE MIXING
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DAMEN, TC
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[J]. APPLIED PHYSICS LETTERS, 1990, 56 (20) : 2031 - 2033
[9] OPTICAL EVIDENCES OF ASSISTED TUNNELING IN A BIASED DOUBLE QUANTUM WELL STRUCTURE
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[J]. APPLIED PHYSICS LETTERS, 1989, 54 (21) : 2082 - 2084
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