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Unconventional superconductivity in UBe13 probed by uniaxial stress

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Miclea,  C. F.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Grosche,  F. M.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Sichelschmidt,  J.
Jörg Sichelschmidt, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Sparn,  G.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Steglich,  F.
Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Miclea, C. F., Grosche, F. M., Sichelschmidt, J., Stewart, G. R., Sparn, G., & Steglich, F. (2002). Unconventional superconductivity in UBe13 probed by uniaxial stress. Physica B, 312, 97-99. doi:10.1016/S0921-4526(01)01071-7.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-3195-7
Abstract
In order to examine the nature of the superconducting order parameter in UBe13, we measured the specific heat, C, as a function of temperature, T, under uniaxial stress along <100> axis, for both "L"-(T-c approximate to 0.75 K) and "H"-type (0.85less than or equal toT(c)less than or equal to 0.95 K) crystals. With increasing pressure, a linear decrease of the superconducting transition temperature, T-c, was observed (partial derivativeT(c)/partial derivativepsimilar or equal to8.5mK/GPa for "L"-type and partial derivativeT(c)/partial derivativepsimilar or equal to50mK/GPa for "H"-type) but no split of the transition could be resolved unambiguously for either of the two samples within our measurement resolution. (C) 2002 Elsevier Science B.V. All rights reserved.