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Terahertz-infrared spectroscopy of overdoped manganites La.sub.1-x./sub.Ca.sub.x./sub.MnO.sub.3./sub
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SYSNO ASEP 0449161 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Terahertz-infrared spectroscopy of overdoped manganites La1-xCaxMnO3./sub Author(s) Kadyrov, L.S. (RU)
Zhukova, E.S. (RU)
Torgashev, V. I. (RU)
Gorshunov, B. P. (RU)
Prokhorov, A. S. (RU)
Motovilova, E.A. (RU)
Fischgrabe, F. (DE)
Moshnyaga, V. (DE)
Zhang, T. (CN)
Kremer, R. (DE)
Pracht, U. (DE)
Zapf, S. (DE)
Pokorný, Jan (FZU-D) RID, ORCID
Untereiner, G. (DE)
Kamba, Stanislav (FZU-D) RID, ORCID, SAI
Dressel, M. (DE)Source Title Physica B-Condensed Matter. - : Elsevier - ISSN 0921-4526
Roč. 460, SI (2015), s. 199-201Number of pages 3 s. Language eng - English Country NL - Netherlands Keywords manganites ; terahertz spectroscopy ; Raman spectroscopy Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GAP204/12/1163 GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000350808300042 EID SCOPUS 84923923618 DOI 10.1016/j.physb.2014.11.070 Annotation Terahertz and infrared spectra of dielectric permittivity and optical conductivity of overdoped manganites La1-xCaxMnO3 (0.5≤x≤1) have been measured at frequencies from 4 cm-1 to 700 cm-1 and at temperatures T from 5 K to 300 K. Strongly asymmetric absorption bands have been found in the compounds which are in charge-ordered state (0.5<x< 0.85)and have commensurate calcium doping. The bands are associated with a boson peak, Raman scattering confirmed our assignment of the bands origin. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2016
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