ON THE ELECTRON-MOBILITY IN QUASI-ONE-DIMENSIONAL STRUCTURES FABRICATED BY HOLOGRAPHIC LITHOGRAPHY AND WET CHEMICAL ETCHING

被引:6
作者
NIWA, S
OTA, H
SUZUKI, T
GOTO, H
SAWAKI, N
机构
[1] Department of Elctronics, Nagoya University, Chikusa-ku, Nagoya
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 12B期
关键词
QUASI-ONE-DIMENSIONAL STRUCTURE; ELECTRON MOBILITY; WARM ELECTRON; ENERGY RELAXATION TIME;
D O I
10.1143/JJAP.33.7180
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report the transport phenomena at 77 K on the shallow and deep mesa-etched multiple wires with geometrical wire width of 250 to 400 am fabricated by laser holography and wet chemical etching of a GaAs/AlGaAs single quantum well structure. Magnetoresistance indicates that the mobility in a wire with weak confinement is decreased by the etching process. Photoluminescence spectra indicate that the electron temperature in a deep-etched wire with strong confinement is increased by the electric field more than that in the two-dimensional structure or wires with the weak confinement. This suggests the increase of the mobility and/or the energy relaxation time in one-dimensional structures.
引用
收藏
页码:7180 / 7183
页数:4
相关论文
共 16 条
  • [1] PHONON-SCATTERING AND ENERGY RELAXATION IN 2-DIMENSIONAL, ONE-DIMENSIONAL, AND ZERO-DIMENSIONAL ELECTRON GASES
    BOCKELMANN, U
    BASTARD, G
    [J]. PHYSICAL REVIEW B, 1990, 42 (14): : 8947 - 8951
  • [2] DEMEL T, 1988, APPL PHYS LETT, V553, P2176
  • [3] ONE-DIMENSIONAL SUBBANDS AND MOBILITY MODULATION IN GAAS ALGAAS QUANTUM WIRES
    ISMAIL, K
    ANTONIADIS, DA
    SMITH, HI
    [J]. APPLIED PHYSICS LETTERS, 1989, 54 (12) : 1130 - 1132
  • [4] HOT-CARRIER DYNAMICS IN MESOSCOPIC STRUCTURES
    LEBURTON, JP
    JOVANOVIC, D
    [J]. SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 1992, 7 (3B) : B202 - B209
  • [5] LOCKWOOD DJ, 1993, NATO ASI E, V248
  • [6] SIZE EFFECT VARIATION OF THE ELECTRICAL CONDUCTIVITY OF METALS
    MACDONALD, DKC
    SARGINSON, K
    [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1950, 203 (1073): : 223 - 240
  • [7] REDUCED EXCITON-EXCITON SCATTERING IN QUANTUM WIRES
    OESTREICH, M
    RUHLE, WW
    LAGE, H
    HEITMANN, D
    PLOOG, K
    [J]. PHYSICAL REVIEW LETTERS, 1993, 70 (11) : 1682 - 1684
  • [9] HOT-ELECTRON AND REAL SPACE TRANSFER IN DOUBLE-QUANTUM-WELL STRUCTURES
    OKUNO, E
    SAWAKI, N
    AKASAKI, I
    KANO, H
    HASHIMOTO, M
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1991, 30 (07): : 1373 - 1377
  • [10] PEAKER AR, 1991, NATO ASI B, V281