Journal of Inorganic Materials

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Growth of β-BBO Thin Films on Sr 2+ -doped α-BBO Substrates

LIU Jun-Fang1, XU Jun2, YAO Wu1   

  1. 1. College of Materials Science and Engineering, Tongji University, Shanghai 200092, China; 2. Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • Received:2005-11-28 Revised:2006-02-24 Online:2006-11-20 Published:2006-11-20
  • Contact: LIU Jun-Fang

Abstract: Crystalline β-BBO thin films were successfully prepared on (001)-oriented Sr 2+ -doped α-BBO substrates by using liquid phase epitaxy, pulsed laser deposition and vapor transport equilibration techniques. The films were characterized by X-ray diffraction and X-ray rocking curve. The present results manifest that the β-BBO thin films grown on Sr 2+ -doped α-BBO substrates have larger degree of orientation f value and smaller X-ray rocking curve FWHM than the ones grown on other reported substrates. Compared with other substrates, α-BBO has the similar structure, the same UV cutoff and the same chemical properties to β-BBO. These results reveal that Sr 2+ -doped α-BBO single crystal may be a promising substrate proper to the growth of β-BBO films.

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