Optical Properties and Microdefects in CaMoO4 Single Crystals


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Abstract

Optical inhomogeneities of calcium molybdate crystals in the initial state and after isothermal annealings have been investigated. The value of anomalous birefringence of the samples has been estimated by Mallard’s method; it is shown that annealing reduces this value. Scattering centers have been observed by the Tyndall method. Microscopy has revealed inclusions 2–10 μm in size in all samples. They can’t be attributed to the crucible material inclusions. Light-scattering indicatrices are plotted based on scattering spectroscopy data. Sizes of the scattering centers are estimated.

About the authors

N. S. Kozlova

National University of Science and Technology MISiS

Email: zabev@mail.ru
Russian Federation, Moscow, 119049

O. A. Buzanov

JSC Fomos-Materials

Email: zabev@mail.ru
Russian Federation, Moscow, 107023

A. P. Kozlova

National University of Science and Technology MISiS

Email: zabev@mail.ru
Russian Federation, Moscow, 119049

E. V. Zabelina

National University of Science and Technology MISiS

Author for correspondence.
Email: zabev@mail.ru
Russian Federation, Moscow, 119049

Zh. A. Goreeva

National University of Science and Technology MISiS

Email: zabev@mail.ru
Russian Federation, Moscow, 119049

I. S. Didenko

National University of Science and Technology MISiS

Email: zabev@mail.ru
Russian Federation, Moscow, 119049

V. M. Kasimova

National University of Science and Technology MISiS

Email: zabev@mail.ru
Russian Federation, Moscow, 119049

A. G. Chernykh

National University of Science and Technology MISiS; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: zabev@mail.ru
Russian Federation, Moscow, 119049; Moscow, 119333

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