| High pressure superconductivity in iron-based layered compounds studied using designer diamonds. | |
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MedLine Citation:
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PMID: 21825575 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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High pressure superconductivity in iron-based superconductor FeSe(0.5)Te(0.5) has been studied up to 15 GPa and 10 K using an eight probe designer diamond anvil in a diamond anvil cell device. Four probe electrical resistance measurements show the onset of superconductivity (T(c)) at 14 K at ambient pressure with T(c) increasing with increasing pressure to 19 K at a pressure of 3.6 GPa. At higher pressures beyond 3.6 GPa, T(c) decreases and extrapolation suggests non-superconducting behavior above 10 GPa. The loss of superconductivity coincides with the pressure induced disordering of the Fe(SeTe)(4) tetrahedra reported at 11 GPa in x-ray diffraction studies at ambient temperature. |
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Authors:
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Georgiy Tsoi; Andrew K Stemshorn; Yogesh K Vohra; Phillip M Wu; F C Hsu; Y L Huang; M K Wu; K W Yeh; Samuel T Weir |
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Publication Detail:
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Type: Journal Article Date: 2009-05-07 |
Journal Detail:
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Title: Journal of physics. Condensed matter : an Institute of Physics journal Volume: 21 ISSN: 0953-8984 ISO Abbreviation: J Phys Condens Matter Publication Date: 2009 Jun |
Date Detail:
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Created Date: 2011-08-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101165248 Medline TA: J Phys Condens Matter Country: England |
Other Details:
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Languages: eng Pagination: 232201 Citation Subset: - |
Affiliation:
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Department of Physics, University of Alabama at Birmingham (UAB), Birmingham, AL 35294, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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