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article · E3S Web of Conferences

A computational study of the structural and thermal conduct of MgCrH<sub>3</sub> and MgFeH<sub>3</sub> perovskite-type hydrides: FP-LAPW and BoltzTraP insight

202414 citationsOpen accessUniversité Sultan Moulay Slimane

Abstract

The structural and thermal conduct of MgCrH 3 and MgFeH 3 perovskite have been investigated using the full-potential linearized augmented plane wave (FPLAPW) method and the BoltzTraP package, implemented in the Wien2k code. The calculations involved fitting the Murnaghan equation of state to the calculated total energy and atomic volume. The present analysis includes key groundstate parameters, such as the lattice parameter and its pressure derivative. Where the electrical conductivity of MgTMH 3 (TM=Cr and Fe), the thermal conductivity, merit factor, and power factor were discussed in the range of 300-900 K. The obtained outcomes exhibit interesting results to make these compounds as promising materials for thermoelectrical applications.

Research topics

  • Hydrogen Storage and Materials
  • Thermal Expansion and Ionic Conductivity
  • Superconductivity in MgB2 and Alloys

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DOI: 10.1051/e3sconf/202458202003

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