INVESTIGATION ON ELECTRONIC, MAGNETIC, ELASTIC, OPTICAL, THERMODYNAMIC AND THERMOELECTRIC PROPERTIES OF COCRZ (Z#061;S, SE, TE) HALF-HEUSLER COMPOUNDS USING FP-LAPW METHOD.
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Date
2024-05
Authors
Noorhan Fareed Alshaikh Mohammad
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An-Najah National University
Abstract
In this work, the WIEN2k computer code was used to investigate the structural, elastic, electronic, magnetic, optical, thermoelectric, and dynamic properties of the CoCrTe half-Heusler (HH) compound. The Full-Potential Linearized Augmented Plane Wave method and Density Functional Theory were both used in this work. To further understand the electronic band gap, we used the modified Becke Johnson exchange–correlation functional method. We investigated the CoCrTe HH compound's electronic characteristics using density of states plots and band structure plots. By calculating magnetic moments and observing the behavior of spin-polarized electronic states, we also investigated the magnetic properties. Additionally, the CoCrTe HH compound's elastic properties were identified. These characteristics, including stiffness, resilience, and overall stability, offer crucial information about how the material reacts to mechanical deformation. Properties studied emphasized that the compound is metallic, and it appears as a good thermoelectric material. Finally, the compound's dynamic properties show that it is dynamically stable as well as mechanically.
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http://dx.doi.org/10.1007/s11082-024-07002-5