Local temperature redistribution and structural transition during joule-heating-driven conductance switching in VO2.
basic_science · Level V
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- Record sourced from PubMed, PMID 23868142.
- Also identified by DOI 10.1002/adma.201302046.
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Abstract
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.