Transport properties of Bi[sub 1-x]Sb[sub x] alloy nanowires synthesized by pressure injection

Lin, Yu-Ming; Cronin, S. B.; Rabin, O.; Ying, Jackie Y.; Dresselhaus, M. S.
July 2001
Applied Physics Letters;7/30/2001, Vol. 79 Issue 5
Academic Journal
Various transport measurements are performed to assess the alloying and size effects in sub-100 nm Bi[sub 1-x]Sb[sub x] (0≤x≤0.15) nanowires. Temperature-dependent resistance measurements exhibit non-monotonic trends as x increases, and a theoretical model is presented to explain the features which are related to the unusual band structure of Bi[sub 1-x]Sb[sub x] systems. Magnetoresistance measurements of these Bi[sub 1-x]Sb[sub x] nanowires show interesting size-dependent behaviors similar to those in Bi nanowires. © 2001 American Institute of Physics.


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