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journal article·2022-09-05Open access

Physical characteristics of Pb1-xAxSe (A=Fe, Mn, V) for spintronic applications

Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture Faisalabad 38040, Pakistan, M. Arshad, M. Yaseen, Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture Faisalabad 38040, Pakistan, S. A. Aldaghfag, Department of Physics, College of Sciences, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh 11671, Saudi Arabia, S. Saleem, Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture Faisalabad 38040, Pakistan, M. Ishfaq, Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture Faisalabad 38040, Pakistan, M. Nazar, Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture Faisalabad 38040, Pakistan, E. Yousef, Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia, H. H. Hegazy, Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia

Chalcogenide Letters· Volume 19· Issue 8
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Abstract

The full-potential linearized-augmented plane wave (FP-LAPW) technique within Density functional theory (DFT) is used to compute the electronic, optical, and magnetic features of Fe, Mn and V doped binary compound PbSe. The effect of doping on energy band gap (Eg) and density of states (DOS) has been studied in detail. The computational results of DOS and band structure (BS) have confirmed that PbSe compound exhibit half-metallic ferromagnetic (HMF) nature. The Eg of PbSe binary compound is 0.16 eV which is enhanced up to 0.35, 0.23 and 0.54 eV after doping of Fe, Mn and V, respectively. Moreover, optical properties of Fe, Mn and V doped PbSe has been also studied in term of dielectric constants, absorption coefficient α (ω), extinction coefficient k (ω), refractive index n (ω) and reflectivity R (ω). The magnetic properties are calculated and it is computed that Pb0.75Mn0.25Se has greater magnetic moment (μB) as compared to Pb0.75Fe0.25Se, and Pb0.75V0.25Se. All the results revealed the appropriateness of Pb1-xAxSe (A=Fe, Mn, V) materials for spinelectronics and optical gadgets.
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OpenAlex topics: Chalcogenide Semiconductor Thin Films · Heusler alloys: electronic and magnetic properties · Quantum Dots Synthesis And Properties

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