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1 2015

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Optical properties of D-serine doped TGS crystals for pyroelectric sensors

Kurlyak V. Y., Stadnyk V. Y., Andriyevsky B. V, Romanyuk M. O., Kohut Z. O., Gaba V. M.

Materials Science Poland

2015

Vol. 33, No. 4

692--698

Refractive and birefringence indices in the range of transparency of 300 to 700 nm for triglycine sulphate crystals doped with D-serine molecules have been measured in the temperature range of 290 K to 340 K. The obtained optical properties are discussed together with characteristic electrical features of these materials used as pyroelectric sensors for measurement of temperature. The experimental results obtained in this study will be necessary as the reference data for comparison with the calculated refractive indices of TGS + D-serine on the basis of density functional theory. Determination of the proper position of D-serine, will reveal the features of TGS + D-serine crystal structure necessary to achieve stable unipolarity.