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Effect of Ni on structure and Raman scattering of LaMn1-xNixO3+δ

Title
Effect of Ni on structure and Raman scattering of LaMn1-xNixO3+δ
Authors
Van Minh N.Kim S.-J.Yang I.-S.
Ewha Authors
양인상
SCOPUS Author ID
양인상scopus
Issue Date
2003
Journal Title
Physica B: Condensed Matter
ISSN
0921-4526JCR Link
Citation
vol. 327, no. 2-4, pp. 208 - 210
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
In this report we present the structural and Raman scattering properties of the Mn-site-doped perovskite oxides, LaMn1-xNixO3+δ. X-ray diffraction experiments demonstrate that these samples are single perovskite phase below x = 0.5, whereas they are multiphase at high Ni concentration (x > 0.5). Raman spectroscopy has been carried out in the temperature range from 20 to 300 K. The most interesting feature in the spectra is the occurrence of vibrational modes at frequencies around 530 and 670 cm-1. The frequencies of these phonons depend on the Ni content, and the full-width at half-maximum (FWHM) depends strongly on the temperature. © 2002 Elsevier Science B.V. All rights reserved.
DOI
10.1016/S0921-4526(02)01729-5
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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