Optical birefringence and acoustic properties near the phase transitions and triple point in incommensurate proper ferroelastic Cs2HgBr4, Cs2CdBr4 and Cs2HgCl4 crystals von Kityk, A V, Mokry, O M, Soprunyuk, V P, Vlokh, O G

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Spatial distribution of piezoinduced change in the optical pathlength in lithium niobate crystals von Vlokh, O. G., Mytsyk, B. G., Andrushchak, A. S., Pryriz, Ya. V.

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Temperature-dependent behavior of birefringence and rotation of the optical indicatrix in crystals of deuterated triglycinesulfate von Kushnir, O. S., Bevz, A. A., Vlokh, O. G., Lutsiv-Shumskii, L. F.

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The influence of annealing and X-irradiation on the optical anisotropy in incommensurate (N(CH3)4)2ZnCl4 von Kushnir, O S, Shopa, Y I, Vlokh, O G, Polovinko, I I, Sveleba, S A

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Interpretation of optical activity in incommensurate structures using jones calculus von Vlokh, O. G., Kushnir, O. S.

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Lattice instability of Cs2HgCl4 crystals. II. Ferroelastic instability and lattice dynamics within the semiempirical rigid-ion model von KITYK, A. V, SHCHUR, Ya. I, ZADOROZHNA, A. V, TRACH, I. B, GIRNYK, I. S, MARTYNYUK-LOTOTSKA, I. Yu, VLOKH, O. G

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Electrogyration properties of crystals von Vlokh, O. G.

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Domain structure and birefringence in incommensurate (N(CH3)4)2ZnCl4 crystals von Vlokh, O. G., Polovinko, I. I., Sveleba, S. A.

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Temperature dependence of the Raman scattering spectra in monoclinic RbD2PO4 crystals von Shchur, Ya. I., Dzhala, V. I., Vlokh, O. G., Klymiv, I. M.

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MANIFESTATION OF PHASE-TRANSITIONS IN THE OPTICAL AND SPECTRAL PROPERTIES OF (NH2(CH3)2)2MECL4 (ME = CU, CO, ZN, MN, CD) CRYSTALS von KAPUSTIANIK, VB, POLOVINKO, SVELEBA, SA, VLOKH, OG, BOBROVA, ZA, VARIKASH, VM

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Pressure-temperature phase diagram of (N(CH3)4)2CuCl4 crystals birefringent and elastic properties von Vlokh, O. G., Kityk, A. V., Mokry, O. M., Grybyk, V. G.

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Magnetogyration and other phenomena described by second-rank axial tensors von Zheludev, I. S., Vlokh, O. G., Sergatyuk, V. A.

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EFFECT OF HYDROSTATIC-PRESSURE ON THE ELASTIC PROPERTIES OF (N(CH3)4)FECL4 IN THE VICINITY OF PHASE-TRANSITIONS von VLOKH, OG, KITYK, AV, SOPRONYUK, VP

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ACOUSTIC STUDY OF THE P-PHASE, T-PHASE DIAGRAM OF CS2HGCL4 von KITYK, AV, SOPRUNYUK, VP, VLOKH, OG, OLEKSEYUK, ID, PIROGA, SA

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