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Appearance of Superconductivity at 15.9 K in Layered V2AlN

  • Jie Li
  • Xiaopeng Cui
  • Yuan Jin
  • Xunqing Yin
  • Shixun Cao
  • Zhenjie Feng
  • Jincang Zhang
Letter

Abstract

A bulk polycrystalline sample with the nominal compositions represented by V2AlN1−δ was synthesized by a two-step solid-state reaction. The structural characterization has been done via X-ray diffraction, followed by Rietveld refinements, which revealed that the layered V2AlN is crystalized in cubic Fm3m space group with lattice parameters a = b = c = 6.127 Å. Both DC resistivity and magnetization measurements confirmed that V2AlN is a bulk superconductor with superconducting transition temperature (T c ) of 15.9 K.

Keywords

Superconductivity Superconducting transition temperature Magnetization Bulk superconductivity 

Notes

Acknowledgments

This work is supported by the National Natural Science Foundation of China (NSFC, Grant Nos. 11574194, 51372149), Shanghai Institute of Materials Genome (Project No. 14DZ2261200) from the Shanghai Municipal Science and Technology Commission.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Materials Genome Institute and Department of PhysicsShanghai UniversityShanghaiChina

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