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Superconducting Properties of LaSn3 Under Positive Hydrostatic Pressure

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Abstract

Superconducting properties of LaSn3 were calculated at ambient and applied positive hydrostatic pressure. The lattice structure of LaSn3 remained stable at ambient and all applied positive hydrostatic pressures due to the positive frequency of phonon dispersion plots for all modes of vibrations. The electron-phonon coupling constant (λep) and superconducting transition temperature (Tc) show an almost linear decrease with positive hydrostatic pressure. The majority of electron‑electron interaction is mediated by acoustic modes of vibration in comparison to optical modes of vibrations.

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  • 01 August 2019

    The original version of this article unfortunately contained a mistake in Fig. 4(b) and Fig. 5(b). On the Y-axis, (states/eV) should be F(w)(states/eV). The original article has been corrected.

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Acknowledgments

Calculations for LaSn3 at ambient pressure and all applied hydrostatic pressure were done at high performance computing facility (HPC) at IUAC, Delhi, and at National Param Supercomputing Facility (NPSF) at CDAC, Pune.

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  1. Department of Physics, Panjab University, Chandigarh, 160014, India

    Surinder Singh & Ranjan Kumar

  2. Department of Physics, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia

    Ranjan Kumar

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  1. Surinder Singh
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Correspondence to Surinder Singh.

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The original version of this article was revised: On the Y-axis of Fig. 4(b) and Fig. 5(b), (states/eV) should be F(w)(states/eV). Also, the subpanels for Figure 7a and b were interchanged.

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Singh, S., Kumar, R. Superconducting Properties of LaSn3 Under Positive Hydrostatic Pressure. J Supercond Nov Magn 32, 3431–3436 (2019). https://doi.org/10.1007/s10948-019-5134-0

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