Phys. Rev. B 57, 6297–6300 (1998)Current-voltage instability in free-standing semiconductor quantum wiresReceived 2 September 1997; published in the issue dated 15 March 1998 Dissipative electron transport in a free-standing semiconductor wire is considered. Dependences of the drift velocity and electron temperature on the applied electric field are found. It is shown that the effective cooling of electrons which takes place at a certain region of the lattice temperature gives rise to an instability of the steady state, and to negative differential resistivity. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.57.6297
DOI:
10.1103/PhysRevB.57.6297
PACS:
73.61.-r
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