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Properties of BaTiO.sub.3./sub. confined in opal matrices-lattice packings of nanospheres silica oxides
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SYSNO ASEP 0353960 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Properties of BaTiO3 confined in opal matrices-lattice packings of nanospheres silica oxides Author(s) Nuzhnyy, Dmitry (FZU-D) RID, ORCID
Vaněk, Přemysl (FZU-D) RID, ORCID
Petzelt, Jan (FZU-D) RID, ORCID, SAI
Bovtun, Viktor (FZU-D) RID, ORCID, SAI
Kempa, Martin (FZU-D) RID, ORCID
Gregora, Ivan (FZU-D) RID, ORCID
Savinov, Maxim (FZU-D) RID, ORCID
Krupková, Radmila (FZU-D) RID
Studnička, Václav (FZU-D) RID
Samoylovich, M.I. (RU)
Rinkevich, A.B. (RU)Source Title Proceedings of 10th International Conference on Laser & Fiber-Optical Networks Modeling and 2nd IEEE International Workshop on THz Radiation: Basic Research & Applications. - Sevastopol : IEEE, 2010 / Sukoivanov I.A. ; Shulika O.V. - ISBN 978-1-4244-6995-6 Pages s. 47-49 Number of pages 3 s. Action 10th International Conference on Laser & Fiber-Optical Networks Modeling and 2nd IEEE International Workshop on THz Radiation: Basic Research & Applications /10./ Event date 12.09.2010-14.09.2010 VEvent location Sevastopol Country UA - Ukraine Event type WRD Language eng - English Country UA - Ukraine Keywords nanocomposite ; confined BaTiO3 ; opal matrices ; stiffened soft mode ; effective dielectric properties Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100520 - FZU-D (2005-2011) Annotation Using the sol-gel technique, BaTiO3 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 TiO6 octahedra without any long-range order. Raman spectra bring evidence of a diffuse ferroelectric phase transition in the opal-BaTiO3 composite. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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