Superconducting phase diagram of InxWO3 synthesized by indium deintercalation

Joshua D. Bocarsly, Daigorou Hirai, M. N. Ali, Robert Joseph Cava

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Abstract

We report the superconducting phase diagram of the hexagonal tungsten bronze (HTB) InxWO3. The InxWO3 samples were prepared by indium deintercalation of the thermodynamically stable parent phase In0.33WO3. By employing this technique, a lowest indium content in the HTB phase of was achieved, which cannot be obtained by conventional solid-state reaction. In addition, accurately and reproducibly controlled indium content and homogeneous samples enable us to perform a systematic study of the physical properties of InxWO3. Most of the InxWO3 samples exhibit a superconducting transition and the highest transition temperature in InxWO 3 was observed at . The indium content dependence of shows remarkable similarities to other MxWO3 ( and Rb) HTBs. Our results reveal the universality of physical properties in the HTB family and give a strategy to achieve higher in HTBs.

Original languageEnglish (US)
Article number17001
JournalEPL
Volume103
Issue number1
DOIs
StatePublished - Jul 1 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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