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- Title
Crystal structure and hyperfine interactions of delafossite (CuFeO<sub>2</sub>) synthesized hydrothermally.
- Authors
Siedliska, Karolina; Pikula, Tomasz; Surowiec, Zbigniew; Panek, Rafał; Idczak, Rafał; Tran, Vinh Hung; Jartych, Elżbieta
- Abstract
The powder specimen of CuFeO2 delafossite was synthesized by a hydrothermal method at 453 K. X‐ray diffraction studies confirmed that the obtained pure delafossite phase was a mixture of the 3R and 2H polytypes, predominantly the former. Mössbauer spectral analysis revealed the paramagnetic state of the copper ferrite at room temperature. Below 12 K the spectra had complicated shapes of Zeeman sextets. Changes in the character of the hyperfine interactions did not correspond to the data reported for the single‐crystal CuFeO2. Magnetization measurements revealed that magnetic transition occurred at Néel temperature (TN) = 12.5 K.
- Subjects
HYPERFINE interactions; HYPERFINE structure; MOSSBAUER spectroscopy; CRYSTAL structure; MAGNETIC transitions; COPPER ferrite
- Publication
Acta Crystallographica Section B: Structural Science, Crystal Engineering & Materials, 2021, Vol 77, Issue 4, p570
- ISSN
2052-5192
- Publication type
Article
- DOI
10.1107/S2052520621005072