ELECTRONIC STATES IN LATERAL-SURFACE-SUPERLATTICE QUANTUM-WELL WIRES

被引:7
|
作者
DENG, ZY
SUN, H
GU, SW
机构
[1] SHANGHAI JIAO TONG UNIV,DEPT PHYS,SHANGHAI 200030,PEOPLES R CHINA
[2] SHANGHAI JIAO TONG UNIV,DEPT APPL PHYS,SHANGHAI 200030,PEOPLES R CHINA
[3] CHINA CTR ADV SCI & TECHNOL,WORLD LAB,CTR THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
[4] ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA
[5] SHANGHAI JIAO TONG UNIV,INST CONDENSED MATTER PHYS,SHANGHAI 200030,PEOPLES R CHINA
关键词
D O I
10.1088/0953-8984/4/31/007
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Energy minigaps caused by lateral-surface structures in quasi-one-dimensional quantum well wires are calculated using the variational and degenerate-perturbational approaches for GaAs/AlAs wires. By a coordinate transformation, the structured interfaces of the wires are transformed into planar ones so that the boundary conditions of the electronic wave functions can be satisfied exactly on the interfaces. The dependences of the energy minigaps on the lateral-surface structures are discussed.
引用
收藏
页码:6549 / 6554
页数:6
相关论文
共 50 条
  • [1] MINIBAND STRUCTURES AND DENSITIES OF IMPURITY STATES IN LATERAL-SURFACE-SUPERLATTICE QUANTUM-WELL WIRES
    DENG, ZY
    LAI, TR
    GUO, JK
    SUN, H
    GU, SW
    JOURNAL OF PHYSICS-CONDENSED MATTER, 1994, 6 (29) : 5681 - 5688
  • [2] BINDING-ENERGIES OF HYDROGENIC IMPURITIES IN LATERAL SURFACE SUPERLATTICE QUANTUM-WELL WIRES
    DENG, ZY
    SUN, H
    GU, SW
    JOURNAL OF PHYSICS-CONDENSED MATTER, 1993, 5 (06) : 757 - 764
  • [3] ELECTRONIC STATES OF A SEMIINFINITE SUPERLATTICE WITH AN EMBEDDED QUANTUM-WELL
    ARRIAGA, J
    VELASCO, VR
    JOURNAL OF PHYSICS-CONDENSED MATTER, 1995, 7 (18) : 3493 - 3500
  • [4] HYDROGENIC IMPURITY STATES IN THE QUANTUM-WELL WIRES WITH LATERAL SURFACE-STRUCTURES
    DENG, ZY
    SUN, H
    GU, SW
    PHYSICS LETTERS A, 1992, 169 (03) : 186 - 190
  • [5] OPTICAL-ABSORPTION SPECTRA ASSOCIATED WITH AN IMPURITY IN LATERAL-SURFACE SUPERLATTICE QUANTUM-WELL WIRES
    DENG, ZY
    GUO, JK
    JOURNAL OF PHYSICS-CONDENSED MATTER, 1995, 7 (07) : 1327 - 1334
  • [6] Controlled Interaction of Surface Quantum-Well Electronic States
    Seufert, Knud
    Auwaerter, Willi
    Garcia de Abajo, F. J.
    Ecija, David
    Vijayaraghavan, Saranyan
    Joshi, Sushobhan
    Barth, Johannes V.
    NANO LETTERS, 2013, 13 (12) : 6130 - 6135
  • [7] HYDROGENIC IMPURITY STATES IN QUANTUM-WELL WIRES
    BRYANT, GW
    PHYSICAL REVIEW B, 1984, 29 (12): : 6632 - 6639
  • [8] ELECTRONIC STATES IN A METALLIC QUANTUM-WELL
    JASKOLSKI, W
    VELASCO, VR
    GARCIAMOLINER, F
    PHYSICA SCRIPTA, 1991, 43 (03): : 337 - 339
  • [9] ELECTRONIC-ENERGY LEVELS OF QUANTUM-WELL WIRES
    SANCHEZDEHESA, J
    PORTO, JA
    AGULLORUEDA, F
    MESEGUER, F
    JOURNAL OF APPLIED PHYSICS, 1993, 73 (10) : 5027 - 5031
  • [10] Quantum-well states and lateral superlattice effect in Ag and Au stripes on stepped W(145)
    Shikin, AM
    Varykhalov, A
    Adamchuk, V
    Ionov, A
    Bozko, SN
    Gudat, W
    Rader, O
    JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 2005, 144 : 341 - 343