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Critical anisotropic fluctuations at the 184°K transition of KMnF3 single crystals

✍ Scribed by R. Comes; F. Denoyer; L. Deschamps; M. Lambert


Publisher
Elsevier Science
Year
1971
Tongue
English
Weight
210 KB
Volume
34
Category
Article
ISSN
0375-9601

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Phase Transition and Structure of a K1−x
✍ A. Waśkowska; A. Ratuszna 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 320 KB

The cubic-to-tetragonal phase transition in the mixed perovskite K 1؊x Li x MnF 3 (x < 0.036) was investigated by single-crystal X-ray diffraction. Results of the structure refinement at 298 and 145 K are discussed. They confirm the cubic symmetry, the space group Pm3m, of the room temperature phase