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In this paper, micro/nano structures on stainless steel were prepared in single spot irradiation mode and scan mode by using femtosecond laser technique. The influence of polarization and fluence on the formation of micro/nano structures were explored. Surface morphology, microstructure, roughness and composition of prepared samples were characterized. The antireflection property and wettability of...
MgO-doped congruent and near-stoichiometric lithium tantalate single crystals were grown by Czochralski technique and flux method respectively. Optical absorption studies showed that the UV absorption edge was very sensitive to the composition of the crystals and the decrease in defects led to the blue-shift of the UV-edge. The unit domain shape also related to the composition, and the observed results...
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