Semimetal-semiconductor transition in Bi1-xSbx alloy nanowires and their thermoelectric properties

Yu Ming Lin; O. Rabin; S. B. Cronin; Jackie Y. Ying; M. S. Dresselhaus

doi:10.1063/1.1503873

Semimetal-semiconductor transition in Bi_1-xSb_x alloy nanowires and their thermoelectric properties

Yu Ming Lin^*
, O. Rabin
, S. B. Cronin
, Jackie Y. Ying
, M. S. Dresselhaus

^*Corresponding author for this work

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

174 Scopus citations

Abstract

The resistivity of Bi_1-xSb_x nanowire arrays exhibits complex variations as a function of Sb content x and temperature T due to the unique semimetal-to-semiconductor (SM-SC) transition experienced by the nanowires. Seebeck coefficient measurements show enhanced thermopower due to Sb alloying and the reduction in wire diameter. The theoretical model not only explains these transport measurements, but also suggests a useful technique to experimentally determine (i) whether the wire is semimetallic or semiconducting, (ii) the carrier concentration, and (iii) the conditions for the SM-SC transition.

Original language	English
Pages (from-to)	2403-2405
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	13
DOIs	https://doi.org/10.1063/1.1503873
State	Published - 23 Sep 2002
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Access to Document

10.1063/1.1503873

Cite this

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title = "Semimetal-semiconductor transition in Bi1-xSbx alloy nanowires and their thermoelectric properties",

abstract = "The resistivity of Bi1-xSbx nanowire arrays exhibits complex variations as a function of Sb content x and temperature T due to the unique semimetal-to-semiconductor (SM-SC) transition experienced by the nanowires. Seebeck coefficient measurements show enhanced thermopower due to Sb alloying and the reduction in wire diameter. The theoretical model not only explains these transport measurements, but also suggests a useful technique to experimentally determine (i) whether the wire is semimetallic or semiconducting, (ii) the carrier concentration, and (iii) the conditions for the SM-SC transition.",

author = "Lin, \{Yu Ming\} and O. Rabin and Cronin, \{S. B.\} and Ying, \{Jackie Y.\} and Dresselhaus, \{M. S.\}",

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T1 - Semimetal-semiconductor transition in Bi1-xSbx alloy nanowires and their thermoelectric properties

AU - Lin, Yu Ming

AU - Rabin, O.

AU - Cronin, S. B.

AU - Ying, Jackie Y.

AU - Dresselhaus, M. S.

PY - 2002/9/23

Y1 - 2002/9/23

N2 - The resistivity of Bi1-xSbx nanowire arrays exhibits complex variations as a function of Sb content x and temperature T due to the unique semimetal-to-semiconductor (SM-SC) transition experienced by the nanowires. Seebeck coefficient measurements show enhanced thermopower due to Sb alloying and the reduction in wire diameter. The theoretical model not only explains these transport measurements, but also suggests a useful technique to experimentally determine (i) whether the wire is semimetallic or semiconducting, (ii) the carrier concentration, and (iii) the conditions for the SM-SC transition.

AB - The resistivity of Bi1-xSbx nanowire arrays exhibits complex variations as a function of Sb content x and temperature T due to the unique semimetal-to-semiconductor (SM-SC) transition experienced by the nanowires. Seebeck coefficient measurements show enhanced thermopower due to Sb alloying and the reduction in wire diameter. The theoretical model not only explains these transport measurements, but also suggests a useful technique to experimentally determine (i) whether the wire is semimetallic or semiconducting, (ii) the carrier concentration, and (iii) the conditions for the SM-SC transition.

UR - https://www.scopus.com/pages/publications/79956027270

U2 - 10.1063/1.1503873

DO - 10.1063/1.1503873

M3 - Article

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VL - 81

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 13