Optical Absorption in the Near Ultraviolet Region Band Structure and Phase Change of BaTiO3
1985
The optical absorption behavior of BaTiO3 at the para-ferroelectric phase change and the anisotropies, in the vicinity of the interband absorption edge for pure monodomaine crystals are investigated from experimental measurements and tight-binding computations. The characteristic features are connected with the energy band structures and with the interband transition moments.
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