Energy Spectrum and Optical Absorption of Mn100 – хAlх (x = 20, 30) Compounds with the β-Mn Structure

Yu. V. Knyazev; Князев Ю. В.; A. V. Lukoyanov; Лукоянов А. В.; Yu. I. Knyazev; Кузьмин Ю. И.; Shubhra Dash; Dash Shubhra; Ajit K. Patra; Patra Ajit K.; M. Vasundhara; Vasundhara M.

doi:10.31857/S0002337X23010098

Energy Spectrum and Optical Absorption of Mn100 – хAlх (x = 20, 30) Compounds with the β-Mn Structure

Авторлар: Knyazev Y.V.¹, Lukoyanov A.V.¹^,2, Knyazev Y.I.¹, Dash S.³^,4, Patra A.K.³, Vasundhara M.⁵
Мекемелер:
1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620108, Yekaterinburg, Russia
2. Yeltsin Federal University, 620002, Yekaterinburg, Russia
3. Central University of Rajasthan, NH-8, Rajasthan, 305817, Bandarsindri, India
4. MLR Institute of Technology, Dundigal, Telangana, 500043, Hyderabad, India
5. Polymers and Functional Materials Department, CSIR–Indian Institute of Chemical Technology, Telangana, 500007, Tarnaka, Hyderabad, India
Шығарылым: Том 59, № 1 (2023)
Беттер: 28-33
Бөлім: Articles
URL: https://medjrf.com/0002-337X/article/view/668383
DOI: https://doi.org/10.31857/S0002337X23010098
EDN: https://elibrary.ru/OQHYER
ID: 668383

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Аннотация

This paper presents electronic spectrum calculations and a study of the optical properties of the binary compounds Mn70Al30 and Mn80Al20 with the β-Mn structure. The energy dependences of the calculated density of states, with high values at the Fermi level, are determined by broad bands formed by manganese 3d states. The calculated electronic structures are used to analyze measured optical conductivity spectra of the alloys in the quantum light absorption range. From their optical properties in the infrared spectral region, we evaluate a number of characteristics of conduction electrons.

Негізгі сөздер

electronic structure, density of states, optical conductivity, Heusler alloys

Әдебиет тізімі

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