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Andreja Gajović, Jelena Vukajlović Pleština, Kristina Žagar, Milivoj Plodinec, Sašo Šturm and Miran Čeh Temperature-dependent Raman spectroscopy of BaTiO3 nanorods synthesized by using a template-assisted sol–gel procedure Journal of Raman Spectroscopy 44

Article first published online: 21 NOV 2012 | DOI: 10.1002/jrs.4206

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The aim of the work is the study of the phase transition from the tetragonal ferroelectric to the cubic paraelectric phase in polycrystalline BaTiO3 nanorods that is crucial for possible application. Nanorods consist of tetragonal nanocrystals with intergrown nanolamellas of the hexagonal phase. Raman spectroscopy showed that nanorods underwent a diffuse phase transition from tetragonal to cubic phase with respect to the temperature, whereas the final phase-transition temperature was shifted to higher values compared to that typically expected for BTO.

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