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Infrared and Raman studies of the dead grain-boundary layers in SrTiO.sub.3./sub. fine-grain ceramics
- 1.0085247 - FZÚ 2008 RIV GB eng J - Journal Article
Petzelt, Jan - Ostapchuk, Tetyana - Gregora, Ivan - Kužel, Petr - Liu, J. - Shen, Z.
Infrared and Raman studies of the dead grain-boundary layers in SrTiO3 fine-grain ceramics.
[Infračervené a ramanovské studie mrtvé vrstvy na hranicích zrn jemnozrnné keramiky SrTiO3.]
Journal of Physics-Condensed Matter. Roč. 19, - (2007), s. 1-16. ISSN 0953-8984. E-ISSN 1361-648X
R&D Projects: GA ČR GA202/04/0993; GA ČR GP202/06/P219; GA MŠMT LC512
Institutional research plan: CEZ:AV0Z10100520
Keywords : infrared reflectivity * Raman scattering * SrTiO3 nanoceramics * dead layers
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.886, year: 2007
Infrared reflectivity, terahertz and Raman spectroscopy studies were carried out with two types of SrTiO3 ceramic of mean grain size 1500 and 150 nm, and the results were compared with single-crystal data. Strong ferroelectric soft-mode stiffening was detected
Infračervená reflektivita, terahertzová a ramanovská spektra byla studována pro dva typy keramik SrTiO3 se střední velikostí zrn 1500 a 150 nm a výsledky porovnány s monokrystaly. Bylo zjištěno silné ztvrdnutí feroelektrického měkkého módu
Permanent Link: http://hdl.handle.net/11104/0147802
Number of the records: 1