Properties of BaTiO3 confined in opal matrices - lattice packings of nanospheres silica dioxide

Using the sol-gel technique, BaTiO 3 was embedded in opal matrices that are the lattice packings of silica dioxide nanospheres for the first time. The room-temperature IR and Raman spectra clearly show characteristic vibrational modes of the ferroelectrically distorted TiO 6 octahedra without any lo...

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Bibliographic Details
Main Authors: Nuzhnyy, D, Vanek, P, Petzelt, J, Bovtun, V, Kempa, M, Gregora, I, Savinov, M, Krupkova, R, Studnicka, V, Samoylovich, M I, Rinkevich, A B, Belyanin, A F, Klescheva, S M
Format: Conference Proceeding
Language:English
Subjects:
Conferences
Decision support systems
Fiber lasers
Laser modes
Optical fiber networks
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Summary:Using the sol-gel technique, BaTiO 3 was embedded in opal matrices that are the lattice packings of silica dioxide nanospheres for the first time. The room-temperature IR and Raman spectra clearly show characteristic vibrational modes of the ferroelectrically distorted TiO 6 octahedra without any long-range order. Raman spectra bring evidence of a diffuse ferroelectric phase transition in the opal-BaTiO 3 composite.
DOI:10.1109/LFNM.2010.5624187