Paramagnetic Properties of Rare Earth Chromium Borates at High Temperatures
O. K. KuvandikovSamarkand State University, 15 University Blvd., UZ-140104 Samarkand, UzbekistanKh. O. ShakarovSamarkand State University, 15 University Blvd., UZ-140104 Samarkand, UzbekistanU. T. UsarovSamarkand State Architectural and Construction Institute, 70 Lolazor Str., UZ-140147 Samarkand, UzbekistanZ. M. ShodievSamarkand State University, 15 University Blvd., UZ-140104 Samarkand, UzbekistanB. U. AmonovSamarkand State University, 15 University Blvd., UZ-140104 Samarkand, UzbekistanO. A. SulaimonovSamarkand State University, 15 University Blvd., UZ-140104 Samarkand, Uzbekistan
ABI
Abstract
Temperature dependence of the magnetic susceptibility (T) is studied in compounds of GdCr 3 (BO 3 ) 4 and ErCr 3 (BO 3 ) 4 by the Faradey method in the wide temperature range (293-1200 K). The dependences 1 (T) for all crystals show the nonlinear anomalies caused by structural transitions in the crystals. The 1 (T) dependences for paramagnetic phase follow the linear Curie-Weiss law. The Curie's temperature and values of magnetic moments corresponding to the chemical formula of the crystals are found.
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