Local temperature redistribution and structural transition during joule-heating-driven conductance switching in VO2.
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Joule-heating induced conductance-switching is studied in VO2 , a Mott insulator. Complementary in situ techniques including optical characterization, blackbody microscopy, scanning transmission X-ray microscopy (STXM) and numerical simulations are used. Abrupt redistribution in local temperature is shown to occur upon conductance-switching along with a structural phase transition, at the same current.
author list (cited authors)
Kumar, S., Pickett, M. D., Strachan, J. P., Gibson, G., Nishi, Y., & Williams, R. S.
complete list of authors
Kumar, Suhas||Pickett, Matthew D||Strachan, John Paul||Gibson, Gary||Nishi, Yoshio||Williams, R Stanley