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Preparation of thick GeO2 glass film with high UV photosensitivity

  • Qingdao University of Science and Technology
  • CAS - Shanghai Institute of Technical Physics

科研成果: 期刊稿件文章同行评审

摘要

Hexagonal GeO2 ceramic films were fabricated at room temperature via an acid induced liquid phase deposition (LPD) method. Thick GeO2 glass films were prepared using a melting and quick cooling technique. The glass films were annealed in a mixed hydrogen/nitrogen gas atmosphere to create more oxygen vacancies. The intensity of 5-eV absorption band enhances with increase of annealing temperature as well as time. The activation energy of oxygen vacancy formation is calculated to be 0.91 ± 0.05 eV. The 5-eV absorption band is photobleachable, and the saturated absorptivity change reaches 575 ± 17 cm- 1.

源语言英语
页(从-至)2884-2888
页数5
期刊Journal of Non-Crystalline Solids
356
50-51
DOI
出版状态已出版 - 11月 2010
已对外发布

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