Shivakumara, C and Hegde, MS and Subbanna, GN (1996) Synthesis, structure and IR absorption studies of LnBaCuCoO(5) (Ln equal earth) oxides. In: Bulletin of Materials Science, 19 (4). 607-613 .
Synthesis,_structure.pdf - Published Version
A series of oxides LnBaCuCoO(5) (Ln = Pr, Nd, Sm, Dy, Gd, Ho and Er) have been synthesized by ceramic method. The oxides crystallize in a tetragonal structure, isostructural to YBaCuCoO5. All the oxides in the series are semiconducting. IR spectra of these oxides show distinct absorption bands at 630 cm(-1), 550 cm(-1) and 330 cm(-1) which are assigned to E, A(2) and A(1) modes respectively. Doping of holes in these oxides, by calcium substitution in Er1-xCaxBaCuCoO5-x (up to x similar or equal to 0.3) was done but, these oxides did not show metallic behaviour.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to Indian Academy of Sciences.|
|Keywords:||Ceramic method;rare earth oxides;IR spectra.|
|Department/Centre:||Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
|Date Deposited:||13 May 2011 05:16|
|Last Modified:||13 May 2011 05:16|
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