SELECTIVE PROBING OF BALLISTIC ELECTRON ORBITS IN RECTANGULAR ANTIDOT LATTICES

被引：61

作者：

SCHUSTER, R ^{[1
]}

ENSSLIN, K ^{[1
]}

KOTTHAUS, JP ^{[1
]}

HOLLAND, M ^{[1
]}

STANLEY, C ^{[1
]}

机构：

[1] UNIV GLASGOW,DEPT ELECTR,GLASGOW G12 8QQ,SCOTLAND

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.47.6843

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Rectangular antidot lattices have been fabricated by holographic lithography and subsequent low-energy ion irradiation. The magnetoresistance depends on the direction of current flow and reveals pronounced low-field maxima that are related to ballistic electron orbits around groups of antidots. For current flow along the long period of the lattice, ballistic electron orbits around a few antidots are probed preferentially. Transport along the short period of the lattice is dominated by trajectories around many antidots. The Hall resistance is independent of the direction of current flow in agreement with symmetry arguments.

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页码：6843 / 6846

页数：4

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