The effect of the spin–orbit coupling on the physical properties of ScGa<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si84.svg" display="inline" id="d1e1413"><mml:msub><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math> and LuGa<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si84.svg" display="inline" id="d1e1421"><mml:msub><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math> superconductors

The optical properties of bulk AuCu3-type ordered superconducting binary compounds ScGa3 and LuGa3 have been experimentally investigated for the first time in the wide spectral range and explained in terms of the band structure. First-principles calculations of electronic densities of states and optical conductivities are performed within the framework of LSDA+U method using the LMTO-ASA software package. The measured dielectric functions spectra for both materials exhibit a strong absorption region above ∼ 1[Formula: see text]eV, which are in a reasonable agreement with the calculated metal-like energy structures of compounds. Features of quantum light absorption are discussed on the basis of a comparative analysis of experimental and theoretical spectra of interband optical conductivity. Plasma and relaxation frequencies of conduction electrons are determined.

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The effect of the spin–orbit coupling on the physical properties of ScGa3 and LuGa3 superconductors

Cited by 2 publications

References 74 publications

Physical properties of orthorhombic NbS: An investigation using first-principles calculations

Physical properties of orthorhombic NbS: An investigation using first-principles calculations

Electronic structure and optical properties of superconducting compounds ScGa₃ and LuGa₃

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The effect of the spin–orbit coupling on the physical properties of ScGa3 and LuGa3 superconductors

Cited by 2 publications

References 74 publications

Physical properties of orthorhombic NbS: An investigation using first-principles calculations

Physical properties of orthorhombic NbS: An investigation using first-principles calculations

Electronic structure and optical properties of superconducting compounds ScGa3 and LuGa3

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Product

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Electronic structure and optical properties of superconducting compounds ScGa₃ and LuGa₃