Enhancement of the superconducting transition temperature near a phase instability in NaxWO3 |
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| Authors: | Howard R Shanks |
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| Institution: | Ames Laboratory-USAEC and Department of Physics, Iowa State University, Ames, Iowa 50010, U.S.A. |
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| Abstract: | The superconducting transition temperature of tetragonal I sodium tungsten bronze (NaxWO3) has been found to increase rapidly as the x-value is decreased to the metal-semiconductor phase transition. It is suggested that a soft mode instability is responsible for the increased electron-phonon interaction near the phase transition. |
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