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

Sunglae Cho; Yunki Kim; Suk J. Youn; Antonio DiVenere; George K.L. Wong; Arthur J. Freeman; J. B. Ketterson; Linda J. Olafsen; Igor Vurgaftman; Jerry R. Meyer; Craig A. Hoffman; George K.L. Wong; J. B. Ketterson; Linda J. Olafsen

doi:10.1103/PhysRevB.64.235330

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

Sunglae Cho, Yunki Kim, Suk J. Youn, Antonio DiVenere, George K.L. Wong, Arthur J. Freeman, J. B. Ketterson, Linda J. Olafsen, Igor Vurgaftman, Jerry R. Meyer, Craig A. Hoffman, George K.L. Wong, J. B. Ketterson, Linda J. Olafsen

Northwestern University

Research output: Contribution to journal › Article

14 Citations (Scopus)

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
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	64
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.64.235330
Publication status	Published - Jan 1 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.64.235330

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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., Wong, G. K. L., Ketterson, J. B., & Olafsen, L. J. (2001). Artificially ordered Bi/Sb superlattice alloys: Fabrication and transport properties. Physical Review B - Condensed Matter and Materials Physics, 64(23). https://doi.org/10.1103/PhysRevB.64.235330

Artificially ordered Bi/Sb superlattice alloys : Fabrication and transport properties. / Cho, Sunglae; Kim, Yunki; Youn, Suk J.; DiVenere, Antonio; Wong, George K.L.; Freeman, Arthur J.; Ketterson, J. B.; Olafsen, Linda J.; Vurgaftman, Igor; Meyer, Jerry R.; Hoffman, Craig A.; Wong, George K.L.; Ketterson, J. B.; Olafsen, Linda J.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 64, No. 23, 01.01.2001.

Research output: Contribution to journal › Article

Cho, S, Kim, Y, Youn, SJ, DiVenere, A, Wong, GKL, Freeman, AJ, Ketterson, JB, Olafsen, LJ, Vurgaftman, I, Meyer, JR, Hoffman, CA, Wong, GKL, Ketterson, JB & Olafsen, LJ 2001, 'Artificially ordered Bi/Sb superlattice alloys: Fabrication and transport properties', Physical Review B - Condensed Matter and Materials Physics, vol. 64, no. 23. https://doi.org/10.1103/PhysRevB.64.235330

Cho, Sunglae ; Kim, Yunki ; Youn, Suk J. ; DiVenere, Antonio ; Wong, George K.L. ; Freeman, Arthur J. ; Ketterson, J. B. ; Olafsen, Linda J. ; Vurgaftman, Igor ; Meyer, Jerry R. ; Hoffman, Craig A. ; Wong, George K.L. ; Ketterson, J. B. ; Olafsen, Linda J. / Artificially ordered Bi/Sb superlattice alloys : Fabrication and transport properties. In: Physical Review B - Condensed Matter and Materials Physics. 2001 ; Vol. 64, No. 23.

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