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A New Superconductor of BeB2C Under Atmospheric Pressure

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Abstract

Using structure prediction software based on particle swarm optimization algorithm, we have discovered a new atmospheric superconductor BeB2C, and the electron–phonon Wannier (EPW) software was used to calculate the superconducting critical temperature, the obtained Tc = 30.3 K, when the effective Coulomb shielding constant and the Ep-ph constant are set to 0.16 and 0.8036 respectively. At the same time, first-principles calculation method was used to study the energy bands and density of states of the material.

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Funding

The authors acknowledge the support by the doctoral research start-up fund of North China University of Science and Technology and the project number is 402101.

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  1. College of Science, North China University of Science and Technology, Tangshan, China

    Dongmei Zhang, Lei Feng, Ruzheng Wang & Yanxia Shang

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  1. Dongmei Zhang
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  2. Lei Feng
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  4. Yanxia Shang
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Correspondence to Dongmei Zhang.

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Zhang, D., Feng, L., Wang, R. et al. A New Superconductor of BeB2C Under Atmospheric Pressure. J Supercond Nov Magn 35, 3135–3139 (2022). https://doi.org/10.1007/s10948-022-06347-w

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  • DOI: https://doi.org/10.1007/s10948-022-06347-w

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