Order parameter of holmium in a magnetic field

J. A. Tarvin, J. Eckert

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The order parameter of the second order magnetic phase transition in Ho at 131 K has been measured in a magnetic field by neutron diffraction. It was expected that the applied field would change the number of components (n) of the order parameter from four to two. Such a change would be visible in the order parameter exponent β. However, in a field of 40 kOe, β is found to be 0.38 ± 0.02, in agreement with the zero field measurement and with an n = 4 model and in contradiction to an n = 2 model.

Original languageEnglish
Pages (from-to)375-379
Number of pages5
JournalSolid State Communications
Issue number6
StatePublished - May 1979


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