Magnetotransport in an InAs/AlGaSb quantum wire with a weak periodic potential

被引：3

作者：

Maemoto, T

Ichiu, M

Ohya, A

Sasa, S

Inoue, M

Ishibashi, K

Aoyagi, Y

机构：

[1] Osaka Inst Technol, Dept Elect Engn, New Mat Res Ctr, Asahi Ku, Osaka 5358585, Japan

[2] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510106, Japan

来源：

PHYSICA B | 1999年 / 272卷 / 1-4期

关键词：

InAs/AlGaSb; quantum wires (QWR); periodic potential; magnetoresistance;

D O I：

10.1016/S0921-4526(99)00427-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report on magnetotransport properties in an InAs/AlGaSb quantum wire with a weak periodic potential. The periodic structure with the period of 200-nm is fabricated by atomic force microscope oxidation and is characterized by magnetotransport measurements at 4.2 K. Aperiodic oscillations are observed at low magnetic fields and the considerably large amplitude of aperiodic oscillations has been observed even at 4.2 K. These aperiodic oscillations may be due to the interference of ballistic electrons traveling in the corrugated InAs quantum wire. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：110 / 113

页数：4

共 9 条

[1] PHASE BREAKING IN BALLISTIC QUANTUM DOTS - TRANSITION FROM 2-DIMENSIONAL TO ZERO-DIMENSIONAL BEHAVIOR [J].