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Inne
Magnetism of Co(C3H4N2)2(CO3)(H2O)2.
Autorzy
Rok wydania
2003
Czasopismo
Physica Status Solidi A-Applications and Materials Science
Numer woluminu
196
Strony
232-235
DOI
10.1002/pssa.200306394
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
We report on a detailed investigation of magnetic susceptibility χ (T, B), magnetization M(T, B) and specific heat Cp(T, B) for a polycrystalline sample of Co(C3H4N2)2(CO3)(H2O)2. Ground state for Co2+ has found to show an unquenched spin–orbit coupling and a weak antiferromagnetic interaction between Co ions. Application of magnetic field significantly affects the magnetization and specific heat at T < 20 K. Anomaly observed in Cp(T, H)-dependences may be interpreted in terms of the conventional two-level (doublet–singlet) Schottky model. Both energy gap between these levels and the coefficient of the electronic specific heat are strongly field dependent.
Adres publiczny
https://doi.org/10.1002/pssa.200306394
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