Low-temperature X-ray studies of crystal-lattice parameters and thermal expansion of KTiOPO4 crystals |
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| Authors: | A. U. Sheleg E. M. Zub L. A. Stremoukhova S. A. Guretskii |
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| Affiliation: | (1) Institute of Solid-State and Semiconductor Physics, National Academy of Sciences of Belarus, ul. Brovki 17, Minsk, 220072, Belarus |
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| Abstract: | The unit-cell parameters a, b, and c of KTiOPO4 crystals have been measured by the X-ray diffraction method in the temperature range 80–320 K. The parameters obtained were used to determine the thermal expansion coefficients α[100], α[010], and α[001] along the principal crystallographic axes. It was established that thermal expansion in the crystals is essentially anisotropic and that α[010] > α [100], whereas α[001] is close to zero. |
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