Optical Properties of Ladder Type Single Crystals |
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| Authors: | G.-J. Babonas L. Leonyuk A. Reza L. Dapkus R. Szymczak |
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| Affiliation: | (1) Semiconductor Physics Institute, LT-2600 Vilnius, Lithuania;(2) Moscow University, Moscow, 119899, Russia;(3) Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland |
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| Abstract: | The optical properties of (M2Cu2O3)m(CuO2)n(M=Ca, Sr, Y, Bi) crystals containing the ladder-type plane Cu2O3were investigated by spectroscopic ellipsometry method in the range 0.5-5.0 eV. The experimental data were analyzed in order to reveal the difference in the microstructure between superconducting (SC) and non-superconducting (NSC) single crystals. The contributions to the optical response due to the electronic excitations of free and bound carriers were analyzed. |
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