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High pressure transport and structural studies on Nb3Ga superconductor [electronic resource].

Published
Washington, D.C. : United States. National Nuclear Security Administration, 2014.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
pages 21-23 : digital, PDF file
Additional Creators
United States. National Nuclear Security Administration, United States. Department of Energy. Office of Basic Energy Sciences, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We investigated the crystal structure of A-15 superconductor Nb3Ga with a critical temperature Tc = 16.5 K by high pressure x-ray diffraction (HPXRD) using synchrotron x-rays and a diamond anvil cell under Ne pressure medium. Furthermore, the high pressure structural results indicate that Nb3Ga is stable up to 41 GPa. The P-V plot shows an anomaly around 15 GPa even though there are no pressure induced structural transitions are observed. High pressure resistance measurements were performed up to 0.5 GPa to understand the variation of Tc under pressure. Finally, our results show a positive pressure effect on Tc.
Report Numbers
E 1.99:1332341
Subject(s)
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Note
Published through SciTech Connect.
11/24/2014.
": S0921452614009235"
Physica. B, Condensed Matter 459 C ISSN 0921-4526 AM
Vahe Mkrtcheyan; Ravhi Kumar; Jason Baker; Anthony Connolly; Daniel Antonio; Andrew Cornelius; Yusheng Zhao.
Univ. of Nevada, Las Vegas, NV (United States)
Funding Information
NA0001982
NA0001974
FG02-99ER45775
AC02-06CH11357
View MARC record | catkey: 23759355