The Low Temperature Heat Capacity of Ni(CH3COO)2:4H20

The heat capacity of Ni(CH3COO)2:4H2O has been measured between 0.43 and 10.73K revealing a Schottky anomaly. An octahedral crystal field with axial and rhombic distortions plus spin-orbit interaction split the triplet ground state completely, the upper components lying 3.52K and 8.06K above the low...

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Hauptverfasser:	Polgar,L. G, Friedberg,S. A
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Schlagworte:	ACETATES CRYOGENICS CRYSTAL DEFECTS HYDRATES LIGAND FIELDS MAGNETIC PROPERTIES MOLECULAR ENERGY LEVELS MOLECULAR FIELD THEORY NICKEL COMPOUNDS NICKEL(II) IONS Solid State Physics SPECIFIC HEAT SPIN ORBIT INTERACTIONS
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creator	Polgar,L. G Friedberg,S. A
description	The heat capacity of Ni(CH3COO)2:4H2O has been measured between 0.43 and 10.73K revealing a Schottky anomaly. An octahedral crystal field with axial and rhombic distortions plus spin-orbit interaction split the triplet ground state completely, the upper components lying 3.52K and 8.06K above the lowest. The lattice contribution to C(p) is estimated. Comparison of the ground state splittings with those inferred from magnetic susceptibility data suggests the presence of a small interaction between Ni(++) ions. This is described by an antiferromagnetic molecular field coefficient A/k=+0.08K which may be largely of dipolar origin. (Author)
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An octahedral crystal field with axial and rhombic distortions plus spin-orbit interaction split the triplet ground state completely, the upper components lying 3.52K and 8.06K above the lowest. The lattice contribution to C(p) is estimated. Comparison of the ground state splittings with those inferred from magnetic susceptibility data suggests the presence of a small interaction between Ni(++) ions. This is described by an antiferromagnetic molecular field coefficient A/k=+0.08K which may be largely of dipolar origin. 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Comparison of the ground state splittings with those inferred from magnetic susceptibility data suggests the presence of a small interaction between Ni(++) ions. This is described by an antiferromagnetic molecular field coefficient A/k=+0.08K which may be largely of dipolar origin. (Author)</abstract><oa>free_for_read</oa></addata></record>
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subjects	ACETATES CRYOGENICS CRYSTAL DEFECTS HYDRATES LIGAND FIELDS MAGNETIC PROPERTIES MOLECULAR ENERGY LEVELS MOLECULAR FIELD THEORY NICKEL COMPOUNDS NICKEL(II) IONS Solid State Physics SPECIFIC HEAT SPIN ORBIT INTERACTIONS
title	The Low Temperature Heat Capacity of Ni(CH3COO)2:4H20
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