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Investigation of the Dependence of Dielectric Properties of D-Serine Admixtured TGS Crystals on the Distance from the Seed of the Crystal Growth

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Stankowska J., Czarnecka A., Dongo Gemi B.

Acta Physica Polonica A

1993

vol. 83

issue 4

485-494

Dielectric properties of a D-serine admixtured triglycine sulphate (TGS) crystal were studied on samples cut out from different sites in the crystal. The value of spontaneous polarization P_{s} measured on b-cuts was found to be independent of the site. Whereas the coercive field E_{c} values were higher for the samples cut out closer to the seed than for those cut out at the ends of the crystal along b axis. After rejuvenation the values of the bias field E_{b} increased in contrary to the effect observed in the pure TGS crystals. An exponentially decreasing dependence of the maximum permittivity ε_{max} on the site of the samples (b-plates) cut out along b axis from -b to +b positions, was obtained.

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1 Acta Physica Polonica A

1 1993

1 Czarnecka A.

1 Dongo Gemi B.

1 Stankowska J.

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Investigation of the Dependence of Dielectric Properties of D-Serine Admixtured TGS Crystals on the Distance from the Seed of the Crystal Growth