Abstract
The temperature dependences of birefringence in thin [N(CH3)4]2Zn0.58Cu0.42Cl4 crystals in the thickness range 20 × 10−6 ≤ d ≤ 500 ↾ 10−6 m have been investigated. An increase in the temperatures of the parent phase-incommensurate phase and incommensurate phase-ferroelectric phase transitions has been found. The reasons for the shift in the phase transition temperatures with a decrease in the thickness of [N(CH3)4]2Zn0.58Cu0.42Cl4 crystal and the size effect in crystals with an incommensurate superstructure are discussed.
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Original Russian Text © S.A. Sveleba, I.V. Karpa, I.N. Katerynchuk, Yu.M. Furgala, O.V. Semotyuk, I.M. Kunyo, E.I. Fitsych, Yu.I. Pankivskyi, 2013, published in Kristallografiya, 2013, Vol. 58, No. 1, pp. 113–119.
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Sveleba, S.A., Karpa, I.V., Katerynchuk, I.N. et al. Size effects in [N(CH3)4]2Zn0.58Cu0.42Cl4 crystals. Crystallogr. Rep. 58, 122–128 (2013). https://doi.org/10.1134/S1063774513010124
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DOI: https://doi.org/10.1134/S1063774513010124