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Multiband superconductivity in Ta4Pd3Te16 with anisotropic gap structure.

Wen-He Jiao1, Yi Liu, Yu-Ke Li

  • 1Department of Physics, Zhejiang University of Science and Technology, Hangzhou 310023, People's Republic of China.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|July 28, 2015
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Summary
This summary is machine-generated.

Ta4Pd3Te16 exhibits nodal and multiband superconductivity. Measurements reveal it

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Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Superconductivity

Background:

  • Low-dimensional transition metal tellurides are of interest for novel electronic properties.
  • Understanding superconductivity in such materials is crucial for technological applications.

Purpose of the Study:

  • To investigate the superconducting properties of Ta4Pd3Te16.
  • To determine the nature of its superconductivity, including gap structure and critical fields.

Main Methods:

  • Magnetoresistance measurements
  • Magnetic susceptibility measurements
  • Specific heat measurements

Main Results:

  • Ta4Pd3Te16 is an anisotropic type-II superconductor.
  • Anomalous temperature dependence of the upper critical field suggests a multiband scenario.
  • Electronic specific heat is consistent with a two-gap (s+d waves) model, indicating nodal superconductivity.

Conclusions:

  • Ta4Pd3Te16 displays characteristics of nodal and multiband superconductivity.
  • The findings contribute to the understanding of complex superconducting mechanisms in low-dimensional materials.