Ballistic transport in InSb mesoscopic structures

被引：31

作者：

Goel, N

Graham, J

Keay, JC

Suzuki, K

Miyashita, S

Santos, MB

Hirayama, Y

机构：

[1] Univ Oklahoma, Dept Phys & Astron, Norman, OK 73019 USA

[2] Univ Oklahoma, Ctr Semicond Phys Nanostruct, Norman, OK 73019 USA

[3] NTT Corp, Basic Res Labs, Atsugi, Kanagawa 2430198, Japan

[4] JST, SORST, Kawaguchi, Saitama 3310012, Japan

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2005年 / 26卷 / 1-4期

关键词：

InSb; ballistic transport; bend resistance; quantum point contact; mesoscopic structures;

D O I：

10.1016/j.physe.2004.08.080

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Two different device geometries are fabricated to investigate ballistic transport of electrons in low-dimensional InSb structures. Negative bend resistance is observed in four-terminal devices of channel widths ranging from 0.2 to 0.65 mum. We also report the observation of conductance quantization in quantum point contacts fabricated using in-plane gates. The one-dimensional subbands depopulate with increasing transverse magnetic field up to 3T. Zeeman splitting is resolved at magnetic fields above similar to0.9T. (C) 2004 Elsevier B.V. All rights reserved.

引用

收藏

页码：455 / 459

页数：5

相关论文

共 13 条

[1] BILLIARD MODEL OF A BALLISTIC MULTIPROBE CONDUCTOR [J].

BEENAKKER, CWJ ;

VANHOUTEN, H .

PHYSICAL REVIEW LETTERS, 1989, 63 (17) :1857-1860

[2] ELECTRONIC ANALOG OF THE ELECTROOPTIC MODULATOR [J].

DATTA, S ;

DAS, B .

APPLIED PHYSICS LETTERS, 1990, 56 (07) :665-667

[3] Effect of temperature on ballistic transport in InSb quantum wells [J].

Goel, N ;

Chung, SJ ;

Santos, MB ;

Suzuki, K ;

Miyashita, S ;

Hirayama, Y .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2004, 21 (2-4) :761-764

[4] Ballistic transport in InSb quantum wells at high temperature [J].

Goel, N ;

Chung, SJ ;

Santos, MB ;

Suzuki, K ;

Miyashita, S ;

Hirayama, Y .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2004, 20 (3-4) :251-254

[5] Interaction effects at crossings of spin-polarized one-dimensional subbands [J].

Graham, AC ;

Thomas, KJ ;

Pepper, M ;

Cooper, NR ;

Simmons, MY ;

Ritchie, DA .

PHYSICAL REVIEW LETTERS, 2003, 91 (13)

[6] BALLISTIC ELECTRON-TRANSPORT IN MACROSCOPIC 4-TERMINAL SQUARE STRUCTURES WITH HIGH MOBILITY [J].

HIRAYAMA, Y ;

SAKU, T ;

TARUCHA, S ;

HORIKOSHI, Y .

APPLIED PHYSICS LETTERS, 1991, 58 (23) :2672-2674

[7] Spin effects in InSb quantum wells [J].

Khodaparast, GA ;

Meyer, RC ;

Zhang, XH ;

Kasturiarachchi, T ;

Doezema, RE ;

Chung, SJ ;

Goel, N ;

Santos, MB ;

Wang, YJ .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2004, 20 (3-4) :386-391

[8] DETERMINATION OF ONE-DIMENSIONAL SUBBAND SPACINGS IN INAS/ALSB BALLISTIC CONSTRICTIONS USING MAGNETIC-FIELD MEASUREMENTS [J].

KOESTER, SJ ;

BOLOGNESI, CR ;

THOMAS, M ;

HU, EL ;

KROEMER, H ;

ROOKS, MJ .

PHYSICAL REVIEW B, 1994, 50 (08) :5710-5712

[9] OVERSHOOT OF 4-TERMINAL MAGNETORESISTANCE AT GAAS-ALGAAS NARROW WIRE JUNCTIONS [J].

TAKAGAKI, Y ;

GAMO, K ;

NAMBA, S ;

TAKAOKA, S ;

MURASE, K ;

ISHIDA, S .

SOLID STATE COMMUNICATIONS, 1989, 71 (10) :809-812

[10] Possible spin polarization in a one-dimensional electron gas [J].

Thomas, KJ ;

Nicholls, JT ;

Simmons, MY ;

Pepper, M ;

Mace, DR ;

Ritchie, DA .

PHYSICAL REVIEW LETTERS, 1996, 77 (01) :135-138