metamagnetic behavior of linear chain pyridine compounds: Co(Pyridine)2Cl2, Fe(Pyridine)2Cl2, Fe(Pyridine)2(NCS)2 and Ni(Pyridine)2Cl2 |
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| Authors: | S. Foner R.B. Frankel W.M. Reiff B.F. Little G.J. Long |
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| Affiliation: | Department of Chemistry, Northeastern University Boston, Massachusetts 02115, U.S.A.;Department of Chemistry, University of Missouri Rolla, Missouri 65401, U.S.A. |
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| Abstract: | Magnetic phase transitions in the pyridine (pyr) compounds Co(pyr)2Cl2, Fe(pyr)2Cl2, Fe(pyr)2(NCS)2 and Ni(pyr)2Cl2 have been observed at applied magnetic fields of ～0.7, 0.7, 1.1 and 2.7 kG respectively. These low field phase transitions are observed in the Fe and Ni compounds at T = 4.2 K, and in the Co compound at T < 3K, and are consistent with metamagnetic behavior. Magnetic saturation is not achieved in any of these compounds for fields of 60 kG, reflecting high anisotropy. |
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