Chemical Pressure and Physical Pressure in BaFe2(As1-xPx)2
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概要
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Measurements of the superconducting transition temperature, $T_{\text{c}}$, under hydrostatic pressure via bulk AC susceptibility were carried out on several concentrations of phosphorous substitution in BaFe2(As1-xPx)2. The pressure dependence of unsubstituted BaFe2As2, phosphorous concentration dependence of BaFe2(As1-xPx)2, as well as the pressure dependence of BaFe2(As1-xPx)2 all point towards an identical maximum $T_{\text{c}}$ of 31 K. This demonstrates that phosphorous substitution and physical pressure result in similar superconducting phase diagrams, and that phosphorous substitution does not induce substantial impurity scattering.
- 2010-12-15
著者
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Shibauchi Takasada
Department Of Applied Physics University Of Tokyo
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Nakai Yusuke
Department Of Materials Science And Engineering Graduate School Of Engineering Nagoya Institute Of T
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Ishida Kenji
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Goh Swee
Cavendish Lab. Univ. Of Cambridge
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Matsuda Yuji
Department Of Applied Molecular Bioscience Graduate School Of Bioagricultural Sciences Nagoya University
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Kasahara Shigeru
Research Center for Low Temperature and Materials Sciences, Kyoto University, Kyoto 606-8502, Japan
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Terashima Takahito
Research Center for Low Temperature and Materials Sciences, Kyoto University, Kyoto 606-8502, Japan
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Klintberg Lina
Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, U.K.
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Sutherland Michael
Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, U.K.
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Terashima Takahito
Research Center for Low Temperature and Materials Science, Kyoto University, Kyoto 606-8502, Japan
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Ishida Kenji
Department of Applied Chemistry, Ibaraki University
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