physica status solidi (a) · 1974 · 43 citations · 11 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsMagnetic MaterialsSolid State PhysicsCrystal LatticeCrystal SystemsMagnetic Properties Of SolidsMagnetism In SolidsMagnetism Of Inorganic CompoundsPhase TransitionsCrystal Field ParametersMagnetic ExcitationsMagnetic PropertiesMagnetic Specific HeatMagnetostructural TransitionsSpecific Heat CapacitySpecific Heat DeterminationSpin-wave Theory
The specific heat of the CsCl-type structure equiatomic compounds TbZn and HoZn has been measured between 20 and 300 K. The lattice contribution is determined on the isomorphous compound YZn. The two alloys show in the ordering range a rotation of the moments at 63 K for TbZn and at 23 K for HoZn. The transition is a first order one. The magnetic properties are explained in terms of molecular field, and the crystalline field parameters are deduced. However, a spin wave model seems to account better for the magnetic excitations of these systems.
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Earl R. Callen, Herbert B. Callen · Journal of Physics and Chemistry of Solids · 1960 · 135 citations
The Heat Capacity of Gadolinium from 15 to 355°K
Maurice Griffel, R. E. Skochdopole, F. H. Spedding · Physical Review · 1954 · 131 citations