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TITLE: Dielectric, infrared, and Raman response of undoped SrTiO3 ceramics: Evidence of polar grain boundaries
AUTHORS: Petzelt, J; Ostapchuk, T; Gregora, I; Rychetsky, I; Hoffmann Eifert, S; Pronin, AV; Yuzyuk, Y; Gorshunov, BP; Kamba, S; Bovtun, V; Pokorny, J; Savinov, M; Porokhonskyy, V; Rafaja, D; Vanek, P; Almeida, A ; Chaves, MR ; Volkov, AA; Dressel, M; Waser, R;
PUBLISHED: 2001, SOURCE: PHYSICAL REVIEW B, VOLUME: 64, ISSUE: 18
INDEXED IN: WOS CrossRef: 234