Synthesis, characterization, electrical and magnetic properties of CrTa2O6 and CrNb2O6
β Scribed by V Guillen-Viallet; J.F Marucco; M Ghysel
- Book ID
- 117619512
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 151 KB
- Volume
- 317-318
- Category
- Article
- ISSN
- 0925-8388
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CrTa2O6, a rare example of an oxide containing Cr 2Ψ , was prepared by solid state reaction from a mixture of Cr2O3, Ta2O5, and Ta in a sealed silica tube at 1050Β°C. It exhibits a slightly distorted trirutile structure described in P21/n with a β«Ψβ¬ 4.738(1), b β«Ψβ¬ 4.7421(6), c β«Ψβ¬ 9.2972(9), and β«Ψβ¬
A new niobate Sr6CrNbgO30 was found in the ternary system SrO-Cr203-Nb205, The transparent crystal which has a green color and a need-like shape can be grown by the flux method. The crystal structure was determined by x-ray diffraction analysis and dielectric measurement, and it belongs to the ortho