Study of the microstructural transformations of borate glass and barium metaborate crystals induced by femtosecond laser
Chen Bin (陈彬)ab, Yu Bing-Kun (余昺鲲)ab, Yan Xiao-Na (阎晓娜)a, Qiu Jian-Rong (邱建荣)a, Jiang Xiong-Wei (姜雄伟)a, Zhu Cong-Shan (朱从善)a
a Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; b Department of Physics, College of Sciences, Shanghai University, Shanghai 200436, China
Abstract This paper describes the microstructural transformations of borate glass and barium metaborate crystals induced by femtosecond laser. Such structural transformations were verified by Raman spectroscopy. The borate glass is transformed into low temperature (LT) phase of barium metaborate (BaB$_2$O$_4$) crystals after being irradiated for 10 min by a femtosecond laser. In addition, after 20 min of irradiation, high temperature (HT) phase of BaB$_2$O$_4$ crystals is also produced. Further studies demonstrate that LT phase BaB$_2$O$_4$ crystals are formed in the HT phase BaB$_2$O$_4$ crystals after femtosecond laser irradiation for 10 s.
Received: 10 July 2003
Revised: 18 November 2003
Accepted manuscript online:
PACS:
61.50.Ks
(Crystallographic aspects of phase transformations; pressure effects)
(Treatment of materials and its effects on microstructure, nanostructure, And properties)
Cite this article:
Chen Bin (陈彬), Yu Bing-Kun (余昺鲲), Yan Xiao-Na (阎晓娜), Qiu Jian-Rong (邱建荣), Jiang Xiong-Wei (姜雄伟), Zhu Cong-Shan (朱从善) Study of the microstructural transformations of borate glass and barium metaborate crystals induced by femtosecond laser 2004 Chinese Physics 13 968
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