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- Title
Magnetism in RCo<sub>2</sub> (R = Dy, Ho, Er, Tm) Under Hydrostatic Pressure.
- Authors
PRCHAL, J.; ŠEBESTA, J.; VALENTA, J.; MÍŠEK, M.; TURČINKOVÁ, D.; LAPČÁK, L.; PROKLEšKA, J.; KRATOCHVÍLOVÁ, M.; SECHOVSKÝ, V.
- Abstract
The short-range parimagnetic configurations, observed in the heavy rare-earth RCo2 compounds in paramagnetic range far above the Curie temperature Tc, consist in formation of ferromagnetic cobalt clusters antiferro-magnetically coupled to the neighboring R magnetic moments. The characteristic temperature of the onset of parimagnetism Tf is very sensitive to changes of external conditions like pressure or composition. The pressure coefficients ∂Tf∂p and ∂Tc/∂p are comparable, indicating a close connection of underlying mechanisms. Our recent measurements indicate systematic evolution of the pressure coefficients with spanning the rare-earth series from Dy through Tm in RCo2 with a specific case TmCo2.
- Subjects
MAGNETISM; HYDROSTATIC pressure; FERROMAGNETIC materials; ISOBARIC processes; THERMODYNAMICS
- Publication
Acta Physica Polonica: A, 2014, Vol 125, Issue 6, p288
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.126.288