Role of hydrogen in formation of Ge nanocrystals in optical fibres

作者: V.G. Plotnichenko , A.O. Rybaltovskii , V.O. Sokolov , V.V. Koltashev , A.R. Malosiev

DOI: 10.1016/S0022-3093(01)00320-9

关键词:

摘要: Abstract Germanium nanocrystals (NC) are observed by Raman spectroscopy in germanosilicate-core fibres previously loaded with hydrogen and annealed at temperatures above 1000 ∘ C. The conditions of the appearance Ge NC band optical described possible mechanisms their formation analysed.

参考文章(15)
B.I. Greene, D.M. Krol, S.G. Kosinski, P.J. Lemaire, P.N. Saeta, Thermal and photo-initiated reactions of H2 with germanosilicate optical fibers Journal of Non-Crystalline Solids. ,vol. 168, pp. 195- 199 ,(1994) , 10.1016/0022-3093(94)90136-8
K.H Heinig, B Schmidt, A Markwitz, R Grötzschel, M Strobel, S Oswald, Precipitation, ripening and chemical effects during annealing of Ge+ implanted SiO2 layers Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms. ,vol. 148, pp. 969- 974 ,(1999) , 10.1016/S0168-583X(98)00862-3
B. P. Stoicheff, HIGH RESOLUTION RAMAN SPECTROSCOPY OF GASES: IX. SPECTRA OF H2, HD, AND D2 Canadian Journal of Physics. ,vol. 35, pp. 730- 741 ,(1957) , 10.1139/P57-079
Dionisio Bermejo, Manuel Cardona, Infrared absorption in hydrogenated amorphous and crystallized germanium Journal of Non-crystalline Solids. ,vol. 32, pp. 421- 430 ,(1979) , 10.1016/0022-3093(79)90086-3
Yoshihito Maeda, Nobuo Tsukamoto, Yoshiaki Yazawa, Yoshihiko Kanemitsu, Yasuaki Masumoto, Visible photoluminescence of Ge microcrystals embedded in SiO2glassy matrices Applied Physics Letters. ,vol. 59, pp. 3168- 3170 ,(1991) , 10.1063/1.105773
Hideo Hosono, Noriaki Matsunami, Atsushi Kudo, Tosiaki Ohtsuka, Novel approach for synthesizing Ge fine particles embedded in glass by ion implantation: Formation of Ge nanocrystal in SiO2‐GeO2glasses by proton implantation Applied Physics Letters. ,vol. 65, pp. 1632- 1634 ,(1994) , 10.1063/1.112934
Minoru Fujii, Shinji Hayashi, Keiichi Yamamoto, Growth of Ge Microcrystals in SiO2Thin Film Matrices: A Raman and Electron Microscopic Study Japanese Journal of Applied Physics. ,vol. 30, pp. 687- 694 ,(1991) , 10.1143/JJAP.30.687
F. M. Araújo, E. Joanni, M. B. Marques, O. G. Okhotnikov, Dynamics of infrared absorption caused by hydroxyl groups and its effect on refractive index evolution in ultraviolet exposed hydrogen loaded GeO2-doped fibers Applied Physics Letters. ,vol. 72, pp. 3109- 3111 ,(1998) , 10.1063/1.121562
V.G. Plotnichenko, V.O. Sokolov, E.B. Kryukova, E.M. Dianov, Hydroxyl groups in phosphosilicate glasses for fibre optics Journal of Non-crystalline Solids. ,vol. 270, pp. 20- 27 ,(2000) , 10.1016/S0022-3093(00)00080-6