Research of phase equilibriums and modelling of structure of agbr - TlBr0 46i0 54 system / Korsakov A.S., Zhukova L.V., Korsakov V.S., Vrublevskiy D.S., Salimgareev D.D. // Tsvetnye Metally. - 2014. - V. , l. 8. - P. 50-54.

ISSN:

03722929

Type:

Article

Abstract:

There was carried out the modeling of crystal lattices of AgBr - (TlBr0.46I0.54) system solid solutions, containing 0-100% (wt.) of TlBr0.46I0.54 (KRS-5) in AgBr. The modeling results showed the possibility of existence of stable solid solutions, containing up to 50.0% (wt.) (38% (mol.)) of KRS-5 at the room temperature. This was confirmed by investigation and construction of AgBr - (TlBr0.46I0.54) system phase diagram, which proved to possess the wide homogeneity area. The system, containing up to 50% (wt.) (38% (mol.)) of KRS-5 has a face-centered cubic lattice (NaCl type) in the temperature range of 0-135 °C. New diagram is characterized by the types of lattices, varying from face-centered cubic (NaCl type) to body-centered (CsCl type). Moreover, the new diagram is characterized by the presence of high temperature transitions field. The phase diagram was investigated by DTA and XRD methods (with the step of 10% (wt.)). There were determined the values of lattice parameters for a number of solid solutions, containing 20% (wt.), 35% (wt.), and 50% (wt.) of KRS-5, which corresponds to 5.799 nm, 5.834 nm and 5.866 nm of crystal lattice values. There were used the phase transition temperatures, registered under cooling conditions for phase diagram investigation since these values are usually used for the crystal growth regimes adjustment. There is experimentally shown the utilizing competence of the described diagram for searching of optimum crystal growth regimes in dynamic mode for Ag1-x Tlx Br1-0,54x 10,54x solid solutions. © Designed by: "Ore and Metals" Publishing House.

Author keywords:

Constitutional diagram; Crystal structure; Cubic volumetrical centered lattice; Cubical face-centered lattice; Homogeneity area; Modeling; Thermodynamic investigations

Index keywords:

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DOI:

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-84922450899&partnerID=40&md5=9761373c05aeea970950a524c500ee9e
Affiliations	Department of Physical and Colloid Chemistry, Ural Federal University, Ekaterinburg, Russian Federation
Author Keywords	Constitutional diagram; Crystal structure; Cubic volumetrical centered lattice; Cubical face-centered lattice; Homogeneity area; Modeling; Thermodynamic investigations
References	Korsakov, A., Zhukova, L., Korsakova, E., Zharikov, E., Structure modeling and growing AgClxBr1 - X Ag1 - XTlx Br1 - X Ix, and Ag1 - XTlxCly Iz Br1 - Y - Z crystals for infrared fiber optics (2014) Journal of Crystal Growth, 386, pp. 94-99; Zhukova, L., Korsakov, A., Chazov, A., Vrublevsky, D., Zhukov, V., Photonic crystalline IR fibers for the spectral range of 2-40 μm (2012) Applied Optics, 51 (13), pp. 2414-2418; Korsakov, A.S., Zhukova, L.V., Korsakova, E.A., Zhukov, V.V., Korsakov, V.S., Thermodynamic investigation of AgBr - TlI system crystals and obtaining of infra-red light conductors with nanocrystalline structure, based on these crystals (2013) Tsvetnye Metally = Non-ferrous Metals, (4), pp. 62-66; Voronkova, E.M., Grechushnikov, B.N., Distler, G.I., Petrov, I.P., (1965) Opticheskie Materialy Dlya Infrakrasnoy Tekhniki: Spravochnoe Izdanie (Optical Materials for Infra-red Technics: Reference Book), p. 336. , Under the editorship of A. A. Askochenskiy Moscow: Nauka; Blistanov, A.A., Bondarenko, V.S., Chkalova, V.V., (1982) Akusticheskie Kristally: Spravochnik (Acoustic Crystals: Reference Book), p. 633. , Under the editorship of M. P. Shaskolskoy. Moscow: Nauka; (1970) Nauchnye Trudy GIREDMET. Tom XXIX (Scientific Proceedings of GIREDMET. Volume XXIX), p. 160. , Moscow: Metallurgiya; Nikolskiy, B.P., (1971) Spravochnik Khimika (Chemist's Reference Book), 1, p. 561. , Editorial board:, Third edition, corrected. Leningrad: Khimiya; Zefirov, N.S., (1998) Khimicheskaya Entsiklopediya: V Pyati Tomakh. Tom 5: Triptofan - Yatrokhimiya (Chemical Encyclopedia: In Five Volumes. Volume 5: Tryptophan - Iatrochemisty), p. 782. , Editorial board:, chief editor, Moscow: Great Russian encyclopedia
Publisher	Ore and Metals" Publishing house"
CODEN	TVMTA
Language of Original Document	Russian
Abbreviated Source Title	Tsvetn. Met.
Source	Scopus