Electron interactions and the crystalline lattice of rare earth metals

The effect of electron interactions on the crystalline lattice properties of rare earth metals is analyzed. A number of calculations are performed for conduction band states in the plane wave approximation, including the contribution of exchange interaction with consideration of the 4f electrons to the observed value of the atomic volume. The properties of the model used are compared with experimentally measured crystalline lattice parameters, thermal expansion, and magnetization. Several aspects of the nature of lanthanide magnetic and lattice properties are evaluated.

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