Upper critical fields of NbxGa1-x: A binary high temperature superconductor |
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| Authors: | S Foner EJ McNiff Jr |
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| Institution: | ∗ Francis Bitter National Magnet Laboratory, Massachusetts, USA;∗∗ Institute of Technology, Cambridge, Massachusetts 02139, USA;∗∗∗ David Sarnoff Research Center, RCA Laboratories, Princeton, New Jersey, USA |
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| Abstract: | The upper critical fields, HC2, of several NbxGa1-x alloys with values of Tc from 13.3 K to 20.2 K have been measured at temperatures from 4.2 to 20.4 K with dc and pulsed magnet fields. For the highest Tc material, HC2(4.2 K) = 340 kG. The data are consistent with almost complete suppression of Pauli paramagnetic limiting. Comparisons with other high Tc materials, Nb3Al and NbAlGe are presented. |
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