naa a22 4500 510815774 CHVBK 20180411083506.0 cr unu---uuuuu 180411e20131101xx s 000 0 eng 10.1134/S0031918X13110124 doi (NATIONALLICENCE)springer-10.1134/S0031918X13110124 Optical properties of heusler alloys Co2FeSi, Co2FeAl, Co2CrAl, and Co2CrGa [Elektronische Daten] [E. Shreder, A. Svyazhin, K. Belozerova] The results of an investigation of optical properties and the calculations of the electronic structure of Co2FeSi, Co2FeAl, Co2CrAl, and Co2CrGa Heusler alloys are presented. The main focus of our attention is the study of the spectral dependence of the real part (ɛ1) and imaginary part (ɛ2) of the dielectric constant in the range of wavelengths λ = 0.3-13 μm using the ellipsometric method. An anomalous behavior of the optical conductivity σ(ω) has been found in the infrared range in the Co2CrAl and Co2CrGa alloys, which differs substantially from that in the Co2FeSi and Co2FeAl alloys. The results obtained are discussed based on the calculations of the electronic structure. Pleiades Publishing, Ltd., 2013 Heusler alloys nationallicence optical properties nationallicence electronic structure nationallicence Shreder E. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut Svyazhin A. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut Belozerova K. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut The Physics of Metals and Metallography Springer US; http://www.springer-ny.com 114/11(2013-11-01), 904-909 0031-918X 114:11<904 2013 114 11508 https://doi.org/10.1134/S0031918X13110124 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S0031918X13110124 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Shreder E. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut NATIONALLICENCE 700 1- Svyazhin A. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut NATIONALLICENCE 700 1- Belozerova K. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, 620990, Ekaterinburg, Russia aut NATIONALLICENCE 773 0- The Physics of Metals and Metallography Springer US; http://www.springer-ny.com 114/11(2013-11-01), 904-909 0031-918X 114:11<904 2013 114 11508 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer