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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Manasreh, M. O.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2023Theoretical Investigations of the Structural, Dynamical, Electronic, Magnetic, and Thermoelectric Properties of CoMRhSi (M = Cr, Mn) Quaternary Heusler Alloyscitations
- 2014Uncooled photodetectors based on CdSe nanocrystals with an interdigital metallizationcitations
- 2013Colloidal growth, characterization and optoelectronic study of strong light absorbent inexpensive iron pyrite nanomaterials by using amine ligands for photovoltaic application
- 2004Intersubband Transitions in GaN/Al<sub>x</sub>Ga<sub>1-x</sub>N Multi Quantum Wellscitations
- 2004Determination of the carrier concentration in InGaAsN∕GaAs single quantum wells using Raman scatteringcitations
- 2003Optical absorption of intersubband transitions in In0.3Ga0.7As/GaAs multiple quantum dotscitations
- 2003Photoluminescence of metalorganic-chemical-vapor-deposition-grown GaInNAs/GaAs single quantum wellscitations
- 2002Ion-beam-produced damage and its stability in AlN filmscitations
- 2002Structural disorder in ion-implanted AlxGa1-xNcitations
- 2002Interband Transitions in GaInNAs/GaAs Single Quantum Wells
- 2001Optical Absorption of Nitrogen Vacancy in Proton Irradiated Al<sub>x</sub>Ga<sub>1-x</sub>N thin Films
- 2001Thermal Anneal Effects on Carbon-Hydrogen LVMs In AlGaN
- 2000Localized Vibrational Modes of Carbon-Hydrogen Complexes in MOCVD Grown GaN and AlGaN thin films
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article
Theoretical Investigations of the Structural, Dynamical, Electronic, Magnetic, and Thermoelectric Properties of CoMRhSi (M = Cr, Mn) Quaternary Heusler Alloys
Abstract
<jats:p>The structural, dynamical, electrical, magnetic, and thermoelectric properties of CoMRhSi (M = Cr, Mn) quaternary Heusler alloys (QHAs) were investigated using density functional theory (DFT). The Y-type-II crystal structure was found to be the most stable configuration for these QHAs. Both CoCrRhSi and CoMnRhSi alloys possess a half-metallic behavior with a 100% spin-polarization as the majority spin channel is metallic. On the other hand, the minority spin channel is semiconducting with narrow indirect band gaps of 0.54 eV and 0.57 eV, respectively, along the Γ−X high symmetry line. In addition, both CoCrRhSi and CoMnRhSi alloys possess a ferromagnetic structure with total magnetic moments of 4 μB, and 5 μB, respectively, which are prominent for spintronics applications. The thermoelectric properties of the subject QHAs were calculated by using Boltzmann transport theory within the constant relaxation time approximation. The lattice thermal conductivities were also evaluated by Slack’s equation. The predicted values of the figure-of-merit (ZT) for CoCrRhSi and CoMnRhSi were found to be 0.84 and 2.04 at 800 K, respectively, making them ideal candidates for thermoelectric applications.</jats:p>