Theoretical investigation of twin boundaries in WO$_3$: Structure, properties and implications for superconductivity
Noé Mascello,
Nicola A. Spaldin,
Awadhesh Narayan
et al.
Abstract:We present a theoretical study of the structure and functionality of ferroelastic domain walls in tungsten trioxide, WO3. WO3 has a rich structural phase diagram, with the stability and properties of the various structural phases strongly affected both by temperature and by electron doping. The existence of superconductivity is of particular interest, with the underlying mechanism as of now not well understood. In addition, reports of enhanced superconductivity at structural domain walls are particularly intri… Show more
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