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Updated: Jan 27, 2026
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Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
Published on: November 3, 2017
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Optical properties of Fe-Mn-Ga alloys
Y V Kudryavtsev1, N V Uvarov1, J Dubowik2
1Institute of Metal Physics, NAS of Ukraine, Vernadsky 36, 03142 Kiev, Ukraine.
Summary
First-principles calculations and experimental data show good agreement for Fe2MnGa alloy
Area of Science:
- Materials Science
- Condensed Matter Physics
- Computational Materials Science
Background:
- Fe-Mn-Ga alloys exhibit complex electronic structures and magnetic properties.
- Understanding the optical conductivity is crucial for potential applications.
Purpose of the Study:
- To investigate the electronic structures and interband optical conductivity (OC) spectra of Fe2MnGa alloy.
- To compare theoretical calculations with experimental OC spectra for different atomic ordering types.
Main Methods:
- First-principles calculations of electronic structures.
- Measurement of experimental OC spectra for bulk and thin film samples.
- Analysis of L21 and L12 atomic ordering in Fe2MnGa.
Main Results:
- Reasonable agreement between calculated and experimental interband OC spectra for both L21 and L12 phases.
- No significant impact of atomic and magnetic order on experimental OC spectra observed.
- Comparison of OC spectra for bulk and thin film Fe-Mn-Ga alloys.
Conclusions:
- First-principles calculations accurately predict the optical properties of Fe2MnGa.
- The atomic and magnetic order has a limited effect on the interband optical conductivity.
- Experimental and theoretical findings provide insights into the electronic and optical behavior of Fe-Mn-Ga alloys.
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