Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Electronic, Magnetic and Optical Properties of XScO3 (X=Mo, W) Perovskites

Version 1 : Received: 19 November 2020 / Approved: 23 November 2020 / Online: 23 November 2020 (09:24:43 CET)

How to cite: Ramanathan, A.; Khalifeh, J. Electronic, Magnetic and Optical Properties of XScO3 (X=Mo, W) Perovskites . Preprints 2020, 2020110573 (doi: 10.20944/preprints202011.0573.v1). Ramanathan, A.; Khalifeh, J. Electronic, Magnetic and Optical Properties of XScO3 (X=Mo, W) Perovskites . Preprints 2020, 2020110573 (doi: 10.20944/preprints202011.0573.v1).

Abstract

Density Functional Theory (DFT) full potential linearized augmented plane wave (FP-LAPW) method with the Modified Becke-Johnson (mBJ) approximation is used to perform spin polarised calculations of the transition metal perovskites MoScO3 and WScO3. Both depict half metallic behaviour with semiconducting and metallic in the minority and majority spins respectively. MoScO3 and WScO3 have indirect R− Γ band gaps in the minority spin channels of 3.61 and 3.82eV respectively. Moreover, they both show substantial magnetic moments of 2.99μB. In addition, we calculate the dielectric function, optical conductivity and the optical constants, namely, the refractive index, the reflectivity, the extinction and absorption coefficients.

Subject Areas

DFT-mBJ; magnetic moments; optical conductivity; perovskites

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