Artificially ordered Bi/Sb superlattice alloys: Fabrication and transport properties

被引：13

作者：

Cho, SL ^{[1
]}

Kim, Y

Youn, SJ

DiVenere, A

Wong, GKL

Freeman, AJ

Ketterson, JB

Olafsen, LJ

Vurgaftman, I

Meyer, JR

Hoffman, CA

机构：

[1] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea

[2] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[3] USN, Res Lab, Washington, DC 20375 USA

[4] HKUST, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[5] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.64.235330

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We hake fabricated Bi/Sb superlattice alloys that are artificially ordered on the atomic scale using molecular-beam epitaxy. We observe that by changing the superlattice period thickness. the electronic structure can be "tuned" from a semimetal, through zero gap, to a narrow-gap semiconductor, These unique properties, which are distinct from those in random alloys. are believed to be a consequence of ordered atomic configurations.

引用

页数：4

共 32 条

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