Browsing by Author "Halyan, V. V."
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Item Crystal growth of the (Ga1-xInx)2Se3, 0.32≤x≤0.42 phase and investigation of physical properties of obtained single crystals(Видавництво Львівської політехніки, 2012) Ivashchenko, І. А.; Halyan, V. V.; Danylyuk, І. V.; Pankevuch, V. Z.; Davydyuk, G. Ye.; Olekseyuk, І. D.The phase diagram of the Ga2Se3–In2Se3 system as investigated by differential-thermal analysis (DTA) and X-ray diffraction (XRD) method. The single crystals from the area of existence of the γ2 phase with the compositions (Ga0.6In0.4)2Se3 and (Ga0.594In0.396Er0.01)2Se3 were grown by a vertical Bridgman method. Absorption spectra of the grown crystals were studied. The estimated optical band gap is 1.95±0.01 eV. The resistance of the single crystals of (Ga0.6In0.4)2Se3 (R = 500 M ) and (Ga0.594In0.396Er0.01)2Se3 (R = 210 M ) was measured.Item Physical Properties of the (Ga70La30)2S300, (Ga69,75La29,75Er0,5)2S300 Single Crystals(2017-05-29) Ivashchenko, I. A.; Olekseyuk, I. D.; Halyan, V. V.; Kevshyn, A. H.; Kubatska, T. Y.; Rosolovska, V. M.; Tishchenko, P.; Selezen’, A.; Department of Inorganic and Physical Chemistry, Eastern European National University, Lutsk, Ukraine; Department of General Physics, Eastern European National University, Lutsk, Ukraine; Ivashchenko.Inna@eenu.edu.ua, inna.ivashchenko@mail.ru