Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5359834 | Applied Surface Science | 2010 | 4 Pages |
Abstract
We report the formation of βâ²-Gd2(MoO4)3 (GMO) crystal on the surface of the 21.25Gd2O3-63.75MoO3-15B2O3 glass, induced by 250 kHz, 800 nm femtosecond laser irradiation. The morphology of the modified region in the glass was clearly examined by scanning electron microscopy (SEM). By micro-Raman spectra, the laser-induced crystals were confirmed to be GMO phases and it is found that these crystals have a strong dependence on the number and power of the femtosecond laser pulses. When the irradiation laser power was 900 mW, not only the Raman peaks of GMO crystals but also some new peaks at 214 cmâ1, 240 cmâ1, 466 cmâ1, 664 cmâ1 and 994 cmâ1which belong to the MoO3 crystals were observed. The possible mechanisms are proposed to explain these phenomena.
Keywords
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Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
M.J. Zhong, Y.M. Han, L.P. Liu, P. Zhou, Y.Y. Du, Q.T. Guo, H.L. Ma, Y. Dai,