EXPERIMENTAL INVESTIGATION OF QUANTUM POINT CONTACTS SEPARATED BY OPEN AND ENCLOSED REGIONS

被引：10

作者：

TAYLOR, RP

SACHRAJDA, AS

ADAMS, JA

LEAVENS, CR

ZAWADZKI, P

COLERIDGE, PT

机构：

[1] Institute for Microstructural Sciences National Research Council

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1992年 / 11卷 / 02期

关键词：

D O I：

10.1016/0749-6036(92)90256-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report low field magnetoresistance measurements of two QPC systems. For a staggered pair of QPCs were separate the ballistic and non-ballistic contributions to the magneto-resistance and report new trends. For a quantum dot we investigate magnetic focusing and demonstrate its use as a probe of the carrier density within the dot. © 1992.

引用

收藏

页码：219 / 222

页数：4

相关论文

共 17 条

[1] QUENCHING OF THE HALL RESISTANCE IN BALLISTIC MICROSTRUCTURES - A COLLIMATION EFFECT [J].

BARANGER, HU ;

STONE, AD .

PHYSICAL REVIEW LETTERS, 1989, 63 (04) :414-417

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

BEENAKKER, CWJ ;

VANHOUTEN, H .

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

[3] MAGNETOTRANSPORT AND NONADDITIVITY OF POINT-CONTACT RESISTANCES IN SERIES [J].

BEENAKKER, CWJ ;

VANHOUTEN, H .

PHYSICAL REVIEW B, 1989, 39 (14) :10445-10448

[4]

BEENAKKER CWJ, 1990, NANOSTRUCTURE PHYSIC, P1347

[5] INFLUENCE OF GEOMETRY ON THE HALL-EFFECT IN BALLISTIC WIRES [J].

FORD, CJB ;

WASHBURN, S ;

BUTTIKER, M ;

KNOEDLER, CM ;

HONG, JM .

PHYSICAL REVIEW LETTERS, 1989, 62 (23) :2724-2727

[6] THEORY OF THE CONDUCTANCE OF BALLISTIC QUANTUM CHANNELS [J].

KIRCZENOW, G .

SOLID STATE COMMUNICATIONS, 1988, 68 (08) :715-718

[7] BALLISTIC MAGNETORESISTANCE AND THE HALL-EFFECT IN A RESTRICTED GEOMETRY [J].

MAIN, PC ;

DAVIDSON, BR ;

BETON, PH ;

EAVES, L ;

OWERSBRADLEY, JR ;

NEVES, AJM ;

BEAUMONT, SP ;

WILKINSON, CDW .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1990, 2 (31) :6541-6546

[8] ELECTRON-BEAM COLLIMATION WITH A QUANTUM POINT CONTACT [J].

MOLENKAMP, LW ;

STARING, AAM ;

BEENAKKER, CWJ ;

EPPENGA, R ;

TIMMERING, CE ;

WILLIAMSON, JG ;

HARMANS, CJPM ;

FOXON, CT .

PHYSICAL REVIEW B, 1990, 41 (02) :1274-1277

[9] QUENCHING OF THE HALL-EFFECT IN A ONE-DIMENSIONAL WIRE [J].

ROUKES, ML ;

SCHERER, A ;

ALLEN, SJ ;

CRAIGHEAD, HG ;

RUTHEN, RM ;

BEEBE, ED ;

HARBISON, JP .

PHYSICAL REVIEW LETTERS, 1987, 59 (26) :3011-3014

[10]

TAYLOR RP, 9TH P INT C EL PROP