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Pàgina inicial > Articles > Articles publicats > Giant and time-dependent magnetocaloric effect in high-spin molecular magnets |
Data: | 2000 |
Resum: | We have measured and calculated the magnetocaloric effect in macroscopic samples of oriented high-spin molecular clusters like Mn12 and Fe8 as a function of the temperature and both the intensity and the sweeping rate of the applied magnetic field. We have observed a high magnetic entropy variation around the blocking temperature of the magnetic moment of molecules and calculated the shift of the entropy variation and cooling temperature, with the sweeping rate of the magnetic field. |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Matèria: | Entropy ; Magnetic fields ; Magnetocaloric effect ; Atomic and molecular clusters ; Magnetic field measurements ; Magnetic moments ; Molecular magnets |
Publicat a: | Applied physics letters, Vol. 77, Num. 20 (September 2000) , p. 3248-3250, ISSN 1077-3118 |
4 p, 293.8 KB |