Neutron Diffraction Investigation of Magnetic Ordering in Dysprosium
Journal of Applied Physics1961Vol. 32(3), pp. S48–S49
Citations Over TimeTop 10% of 1961 papers
Abstract
Neutron diffraction measurements on a single crystal of dysprosium show that the magnetic structure in the antiferromagnetic region between 179° and 87°K closely resembles a helical-type arrangement of the atomic moments. In this arrangement the moments within a hexagonal layer are aligned parallel and point in a direction perpendicular to the c axis of the crystal. The moment direction in adjacent layers is rotated by a specific angle which is dependent on the temperature of the sample. A slight modification of this structure exists below about 140°K, and a transition to ferromagnetism occurs at 87°K.
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