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Superconductivity in Thin Films of the Dirac Semimetal Cd3As2

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Abstract

Thin films of Dirac semimetal Cd3As2 about 100 nm thick made of single crystals of cadmium arsenide, prepared by direct fusion of the elements by vacuum–ampoule method, by vacuum–thermal sputtering/depostion have been studied. Temperature and magnetic field dependences of electrical resistance have been measured, which indicate the presence of a superconducting transition at a temperature from 0.2 to 0.6 K.

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ACKNOWLEDGMENTS

The authors thank K.I. Kugel for useful discussions.

Funding

The work was performed with the support of RSF project no. 17-12 01345. The national laboratory of strong magnetic fields (NHMFL, USA) is funded by the National Science Foundation (grant NSF/DMR-1644779) and the state of Florida.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    A. B. Davydov, L. N. Oveshnikov & B. A. Aronzon

  2. National Research Center Kurchatov Institute, 123182, Moscow, Russia

    L. N. Oveshnikov

  3. National High Magnetic Field Laboratory, Tallahassee, Florida, USA

    A. V. Suslov

  4. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

    A. I. Ril & S. F. Marenkin

  5. National University of Science and Technology MISiS, 119049, Moscow, Russia

    S. F. Marenkin

Authors
  1. A. B. Davydov
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  2. L. N. Oveshnikov
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  3. A. V. Suslov
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  4. A. I. Ril
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  5. S. F. Marenkin
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  6. B. A. Aronzon
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Corresponding author

Correspondence to A. B. Davydov.

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Translated by N. Petrov

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Davydov, A.B., Oveshnikov, L.N., Suslov, A.V. et al. Superconductivity in Thin Films of the Dirac Semimetal Cd3As2. Phys. Solid State 62, 419–422 (2020). https://doi.org/10.1134/S1063783420030063

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  • DOI: https://doi.org/10.1134/S1063783420030063

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