semiconductor-metal transition

https://doi.org/10.1351/goldbook.S05597
Any transition from a @S05591@ to a metallic state under the influence of a temperature or pressure change or both. Examples:
  1. Ti2O3: band-edge crossing in a @S05591@ to semimetal transition.
  2. SmS: localized level crossing a band edge. In SmS hydrostatic pressure above the @C01397@ \(P_{\text{c}}\approx 0.65\ \mathrm{GPa}\) broadens the Sm-5d band to make the band edge cross the Sm-\(4\text{f}^{6}\) level.
  3. A @L03608@.
  4. A @S06205@.
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 590 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014