Superconductivity in SrNi2P2 single crystals

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Heat capacity, magnetic susceptibility, and resistivity of SrNi{sub 2}P{sub 2} single crystals are presented, illustrating the structural transition at 325 K, and bulk superconductivity at 1.4 K. The magnitude of {Tc}, fits to the heat capacity data, the small upper critical field H{sub c2} = 390 Oe, and {kappa} = 2.1 suggests a conventional fully gapped superconductor. With applied pressure we find that superconductivity persists into the so-called 'collapsed tetragonal' phase, although the transition temperature is monotonically suppressed with increasing pressure. This argues that reduced dimensionality can be a mechanism for increasing the transition temperatures of layered NiP, as well ... continued below

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Ronning, Filip; Bauer, Eric D; Park, Tuscon & Thompson, Joe D January 1, 2009.

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Heat capacity, magnetic susceptibility, and resistivity of SrNi{sub 2}P{sub 2} single crystals are presented, illustrating the structural transition at 325 K, and bulk superconductivity at 1.4 K. The magnitude of {Tc}, fits to the heat capacity data, the small upper critical field H{sub c2} = 390 Oe, and {kappa} = 2.1 suggests a conventional fully gapped superconductor. With applied pressure we find that superconductivity persists into the so-called 'collapsed tetragonal' phase, although the transition temperature is monotonically suppressed with increasing pressure. This argues that reduced dimensionality can be a mechanism for increasing the transition temperatures of layered NiP, as well as layered FeAs and NiAs, superconductors.

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  • Journal Name: Phys. Rev. B

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  • Report No.: LA-UR-09-00103
  • Report No.: LA-UR-09-103
  • Grant Number: AC52-06NA25396
  • DOI: 10.1103/PhysRevB.79.134507 | External Link
  • Office of Scientific & Technical Information Report Number: 956485
  • Archival Resource Key: ark:/67531/metadc934456

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  • January 1, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 6:42 p.m.

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Ronning, Filip; Bauer, Eric D; Park, Tuscon & Thompson, Joe D. Superconductivity in SrNi2P2 single crystals, article, January 1, 2009; [New Mexico]. (digital.library.unt.edu/ark:/67531/metadc934456/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.