CHARACTERIZATION OF THE ELECTRON-GAS IN WIDE PARABOLIC GAAS/ALXGA1-XAS QUANTUM-WELLS

被引：23

作者：

GWINN, EG

HOPKINS, PF

RIMBERG, AJ

WESTERVELT, RM

SUNDARAM, M

GOSSARD, AC

机构：

[1] HARVARD UNIV,DEPT PHYS,CAMBRIDGE,MA 02138

[2] UNIV CALIF SANTA BARBARA,DEPT ELECT & COMP ENGN,SANTA BARBARA,CA 93106

[3] UNIV CALIF SANTA BARBARA,DEPT MAT,SANTA BARBARA,CA 93106

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.41.10700

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We demonstrate the production of a thick layer of high-mobility electron gas by comparison of Shubnikovde Haas oscillations with self-consistent calculations of the ground-state energy levels. Ion-gauge measurements of the average Al flux during a programmed growth sequence show that the Al profile for the parabolic-well structures studied here follows the design profile closely. The calculated and measured energy levels (EF-Ei) agree within the uncertainty of the well parameters. © 1990 The American Physical Society.

引用

页码：10700 / 10705

页数：6

共 19 条

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

ANDO, T ;

FOWLER, AB ;

STERN, F .

REVIEWS OF MODERN PHYSICS, 1982, 54 (02) :437-672

[2]

BREY L, IN PRESS PHYS REV B

[3]

BURNETT J, UNPUB

[4] QUANTUM HALL-EFFECT IN WIDE PARABOLIC GAAS/ALXGA1-XAS WELLS [J].

GWINN, EG ;

WESTERVELT, RM ;

HOPKINS, PF ;

RIMBERG, AJ ;

SUNDARAM, M ;

GOSSARD, AC .

PHYSICAL REVIEW B, 1989, 39 (09) :6260-6263

[5] PRECISELY CONTROLLED COMPOSITIONAL GRADIENTS IN MBE GROWN AIGAAS/GAAS STRUCTURES [J].

HARBISON, JP ;

PETERSON, LD ;

LEVKOFF, J .

JOURNAL OF CRYSTAL GROWTH, 1987, 81 (1-4) :34-37

[6] PARABOLIC QUANTUM WELLS WITH THE GAAS-ALXGA1-XAS SYSTEM [J].

MILLER, RC ;

GOSSARD, AC ;

KLEINMAN, DA ;

MUNTEANU, O .

PHYSICAL REVIEW B, 1984, 29 (06) :3740-3743

[7]

MOTT NF, 1989, ELECTRONIC PROCESSES, P102

[8]

Prange R. E., 1987, QUANTUM HALL EFFECT

[9] ELECTRON-ENERGY LEVELS FOR A DENSE ELECTRON-GAS IN PARABOLIC GAAS/ALXGA1-XAS QUANTUM WELLS [J].

RIMBERG, AJ ;

WESTERVELT, RM .

PHYSICAL REVIEW B, 1989, 40 (06) :3970-3974

[10] OBSERVATION OF RESONANT TUNNELING THROUGH A COMPOSITIONALLY GRADED PARABOLIC QUANTUM-WELL [J].

SEN, S ;

CAPASSO, F ;

GOSSARD, AC ;

SPAH, RA ;

HUTCHINSON, AL ;

CHU, SNG .

APPLIED PHYSICS LETTERS, 1987, 51 (18) :1428-1430

← 1 2 →