Surendran, K. P. ; Mani, Rohini ; Gopalakrishnan, J. ; Ramanujachary, K. V. ; Lofland, S. E. ; Green, William L. (2007) R3Mn1.5CuV0.5O9 (R = Y, Ho, Er, Tm, Yb and Lu) and Lu3Mn3-3xCu2xVxO9: new noncentrosymmetric oxides related to YMnO3 Materials Research Bulletin, 42 (4). pp. 618-625. ISSN 0025-5408
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00255...
Related URL: http://dx.doi.org/10.1016/j.materresbull.2006.08.016
Abstract
We report formation of new noncentrosymmetric oxides of the formula, R3Mn1.5CuV0.5O9 for R = Y, Ho, Er, Tm, Yb and Lu, possessing the hexagonal RMnO3 (space group P63cm) structure. These oxides could be regarded as the x = 0.5 members of a general series R3Mn3-3xCu2xVxO9. Investigation of the Lu-Mn-Cu-V-O system reveals the existence of isostructural solid solution series, Lu3Mn3-3xCu2xVxO9 for 0 < x ≤ 0.75. Magnetic and dielectric properties of the oxides are consistent with a random distribution of Mn3+, Cu2+ and V5+ atoms that preserve the noncentrosymmetric RMnO3 structure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Oxides; B. Chemical Synthesis; C. X-ray Diffraction; D. Magnetic Properties |
| ID Code: | 12564 |
| Deposited On: | 13 Nov 2010 13:21 |
| Last Modified: | 02 Jun 2011 10:27 |
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