IR characterization of Ln2−xSrxCoO4 (x≥1; Ln=La, Nd) oxides
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IR characterization of Ln2−xSrxCoO4 (x≥1; Ln=La, Nd) oxidesAutor(es)
Data
2001-07Cita bibliográfica
Castro-García S, Sánchez-Andújar M, Rey-Cabezudo C, Señarís-Rodríguez MA, Julien C. IR characterization of Ln2-xSrxCoO4 (x≥1; Ln=La, nd) oxides. J Alloys Compounds. 2001;323-324:710-3
Resumo
[Abstract] We have recorded the FTIR spectra of powder samples of Ln2−xSrxCoO4 (Ln=La, Nd) at room temperature. We have identified the infrared active modes (3A2u+4Eu), and analyzed how they change as a function of Ln and the Sr doping. We correlate the obtained results with structural data obtained from powder X-ray diffraction studies and with the electronic properties displayed by these samples.
Palabras chave
Light absorption and reflection
Magnetically ordered materials
Chemical synthesis
Crystal structure and symmetry
Phonons
Magnetically ordered materials
Chemical synthesis
Crystal structure and symmetry
Phonons
Versión do editor
ISSN
0925-8388