Electronic spectra and phase transitions in thin [N(CH3)4]2CuCl4 microcrystals |
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| Authors: | R. M. Shymkiv S. A. Sveleba I. V. Karpa I. N. Katerynchuk I. M. Kunyo E. I. Phitsych |
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| Affiliation: | 1.Ivan Franko Lviv National University,Lviv,Ukraine |
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| Abstract: | Optical absorption spectra in thin [N(CH3)4]2CuCl4 crystals in the thickness range 10 μm ≤ d < 100 μm have been studied. Strengthening of the crystal field has been found with a decrease in the [N(CH3)4]2CuCl4 crystal size. The reasons for absorption band shifts in the visible region depending on the [N(CH3)4]2CuCl4 crystal thickness and the manifestation of a size effect in crystals with an incommensurate superstructure are discussed. |
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