Citation:
ZHANG Hong-Bo, WANG Yi-Min, JIANG Jing, CUI Guang, ZHAO Lei, SHAO Jing, SU Chun-Hui. Preparation and Characterization of Neodymium-Doped Phosphate Glass-Ceramic[J]. Chinese Journal of Applied Chemistry,
;2009, 26(8): 948-951.
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The transparent neodymium-doped phosphate glass-ceramic was prepared by the method of melting and crystallization.The obtained glas-ceramic was characterized by DTA,XRD,SEM,UV-Vis-NIR and fluorescence spectrometry.The results indicate that the main crystal phase of the transparent glass-ceramic is Al2SiO5.The temperature of nuclear generation is in a range from 490~540 ℃,and the time of treatment is about 1~2 h.The temperature of crystallization is at 550 ℃,and the time of treatment is about 1~3 h.The average grain size is 90 nm.The transparency of the glass-ceramic can reach to 69%,which decreases with the incerease of the heat-treatment time.Because of the concentration increase of Nd3+ in the crystal phase after the heat treatment,the peak of the glass-ceramic is stronger than the host glass at 1 056 nm in fluore-scence spectra.
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Keywords:
- melting method,
- phosphate,
- glass-ceramics,
- neodymium-doped
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