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Magnetic structure of PrCo<sub>2</sub>Ge<sub>2</sub>, a neutron diffraction study
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1979
Year
Crystal StructureEngineeringNuclear PhysicsMagnetic ResonanceCrystallographic StructureMagnetic AxisMagnetismSuperconductivityPhysicsCompound Prco2ge2Quantum ChemistryCrystallographyQuantum MagnetismTransition Metal ChalcogenidesNatural SciencesApplied PhysicsCondensed Matter PhysicsNeutron Diffraction StudyMagnetic PropertyNeutron Scattering
The crystallographic structure of the compound PrCo2Ge2 is of the BaAl4 type. The space group is I4/mmm and the lattice constants are a = 4.048 and c = 10.178 Å. A neutron diffraction study revealed a transition to a magnetically ordered state at TN ~ 27 K and six superlattice lines below TN. It is possible to index these lines according to a sinusoidal magnetic structure with a period τ-1 = 13.94 Å along c. Observed intensities are consistent with ordering of the Pr sublattice with the magnetic axis along c.