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SrTiO.sub.3./sub.:Cr nanocrystalline powders: size effects and optical properties
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SYSNO ASEP 0328504 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title SrTiO3:Cr nanocrystalline powders: size effects and optical properties Title Nanokrystalické prášky SrTiO3:Cr : rozměrový efekt a optické vlastnosti Author(s) Trepakov, Vladimír (FZU-D) RID
Potůček, Zdeněk (FZU-D) RID, ORCID
Makarova, Marina (UFCH-W)
Dejneka, Alexandr (FZU-D) RID, ORCID
Sazama, Petr (UFCH-W) RID, ORCID
Jastrabík, Lubomír (FZU-D) RID, ORCID
Bryknar, Z. (CZ)Number of authors 7 Source Title Journal of Physics-Condensed Matter. - : Institute of Physics Publishing - ISSN 0953-8984
Roč. 21, č. 37 (2009), 375303/1-375303/5Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords SrTiO3:Cr nanocrystalline powders ; size effects ; optical properties Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/08/1009 GA ČR - Czech Science Foundation (CSF) KJB100100703 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) KAN301370701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) 1M06002 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100522 - FZU-D (2005-2011) AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000269198900016 DOI 10.1088/0953-8984/21/37/375303 Annotation The crystal structure, optical absorption, and photoluminescence of chromium impurity centers were studied in nanocrystalline SrTiO3:Cr (0.1 mol%) powders with average particle size within the range 13–100 nm prepared by the Pechini-type polymeric sol–gel method.The optical absorption edge and the zero-phonon R-line (2E → 4A2) of luminescence of the octahedral Cr3+ centers shifted to higher energies with decreasing nanoparticle size. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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