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

S. Cho; Y. Kim; S. J. Youn; A. DiVenere; G. K L Wong; A. J. Freeman; J. B. Ketterson; L. J. Olafsen; I. Vurgaftman; J. R. Meyer; C. A. Hoffman

doi:10.1103/PhysRevB.64.235330

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

S. Cho, Y. Kim, S. J. Youn, A. DiVenere, G. K L Wong, A. J. Freeman, J. B. Ketterson, L. J. Olafsen, I. Vurgaftman, J. R. Meyer, C. A. Hoffman

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We have 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.

Original language	English (US)
Article number	235330
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	64
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.64.235330
State	Published - 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Cho, S., Kim, Y., Youn, S. J., DiVenere, A., Wong, G. K. L., Freeman, A. J., Ketterson, J. B., Olafsen, L. J., Vurgaftman, I., Meyer, J. R., & Hoffman, C. A. (2001). Artificially ordered Bi/Sb superlattice alloys: Fabrication and transport properties. Physical Review B - Condensed Matter and Materials Physics, 64(23), [235330]. https://doi.org/10.1103/PhysRevB.64.235330

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abstract = "We have 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.",

author = "S. Cho and Y. Kim and Youn, {S. J.} and A. DiVenere and Wong, {G. K L} and Freeman, {A. J.} and Ketterson, {J. B.} and Olafsen, {L. J.} and I. Vurgaftman and Meyer, {J. R.} and Hoffman, {C. A.}",

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doi = "10.1103/PhysRevB.64.235330",

language = "English (US)",

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journal = "Physical Review B - Condensed Matter and Materials Physics",

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Artificially ordered Bi/Sb superlattice alloys : Fabrication and transport properties. / Cho, S.; Kim, Y.; Youn, S. J.; DiVenere, A.; Wong, G. K L; Freeman, A. J.; Ketterson, J. B.; Olafsen, L. J.; Vurgaftman, I.; Meyer, J. R.; Hoffman, C. A.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 64, No. 23, 235330, 2001.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Artificially ordered Bi/Sb superlattice alloys

T2 - Fabrication and transport properties

AU - Cho, S.

AU - Kim, Y.

AU - Youn, S. J.

AU - DiVenere, A.

AU - Wong, G. K L

AU - Freeman, A. J.

AU - Ketterson, J. B.

AU - Olafsen, L. J.

AU - Vurgaftman, I.

AU - Meyer, J. R.

AU - Hoffman, C. A.

PY - 2001

Y1 - 2001

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AB - We have 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.

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DO - 10.1103/PhysRevB.64.235330

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SN - 1098-0121

IS - 23

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

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