Direct observation of electron jet from a point contact

被引：6

作者：

Nagamune, Y ^{[1
]}

Noda, T ^{[1
]}

Watabe, H ^{[1
]}

Ohno, Y ^{[1
]}

Sakaki, H ^{[1
]}

Arakawa, Y ^{[1
]}

机构：

[1] UNIV TOKYO, ADV SCI & TECHNOL RES CTR, MEGURO KU, TOKYO 153, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 1996年 / 35卷 / 2B期

关键词：

point contact; photoluminescence; transport; visualization; quantum well;

D O I：

10.1143/JJAP.35.1151

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the photoluminescence image around a point contact fabricated in an InGaAs/GaAs quantum well using a micro-photoluminescence measurement technique. The photoluminescence image was strongly influenced by majority electron flow from the point contact, where the majority electron flow greately reduced radiative recombination of electron-hole pairs generated by the laser illumination. Using this effect we demonstrated visualization of electron flow from the point contact.

引用

页码：1151 / 1153

页数：3

共 12 条

[1]

FASOL G, 1994, P 22 INT C PHYS SEM, P1645

[2] SPATIAL POTENTIAL DISTRIBUTION IN GAAS/ALXGA1-XAS HETEROSTRUCTURES UNDER QUANTUM HALL CONDITIONS STUDIED WITH THE LINEAR ELECTROOPTIC EFFECT [J].

FONTEIN, PF ;

KLEINEN, JA ;

HENDRIKS, P ;

BLOM, FAP ;

WOLTER, JH ;

LOCHS, HGM ;

DRIESSEN, FAJM ;

GILING, LJ ;

BEENAKKER, CWJ .

PHYSICAL REVIEW B, 1991, 43 (14) :12090-12093

[3] ELECTRON-HOLE SCATTERING IN GAAS QUANTUM WELLS [J].

HOPFEL, RA ;

SHAH, J ;

WOLFF, PA ;

GOSSARD, AC .

PHYSICAL REVIEW B, 1988, 37 (12) :6941-6954

[4]

KLASS U, 1991, PHYSICA B, V169, P363

[5]

NAGAMUNE Y, 1995, PAC RIM C LAS EL OPT

[6]

NAGAMUNE Y, 1994, 22ND P INT C PHYS SE, P1835

[7] ELECTRON FOCUSING IN 2-DIMENSIONAL SYSTEMS BY MEANS OF AN ELECTROSTATIC LENS [J].

SPECTOR, J ;

STORMER, HL ;

BALDWIN, KW ;

PFEIFFER, LN ;

WEST, KW .

APPLIED PHYSICS LETTERS, 1990, 56 (13) :1290-1292

[8] LOW-TEMPERATURE CLEANING OF GAAS SUBSTRATE BY ATOMIC-HYDROGEN IRRADIATION [J].

SUGAYA, T ;

KAWABE, M .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1991, 30 (3A) :L402-L404

[9] DIRECT OBSERVATION OF EDGE CHANNELS IN THE INTEGER QUANTUM HALL REGIME [J].

VANHAREN, RJF ;

BLOM, FAP ;

WOLTER, JH .

PHYSICAL REVIEW LETTERS, 1995, 74 (07) :1198-1201

[10] COHERENT ELECTRON FOCUSING IN A TWO-DIMENSIONAL ELECTRON-GAS [J].

VANHOUTEN, H ;

VANWEES, BJ ;

MOOIJ, JE ;

BEENAKKER, CWJ ;

WILLIAMSON, JG ;

FOXON, CT .

EUROPHYSICS LETTERS, 1988, 5 (08) :721-725

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