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Anomalies in the thermal resistivity of praseodymium ethylsulphate below 4 K.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>13/01/1969
<mark>Journal</mark>Physics Letters A
Issue number7
Number of pages2
Pages (from-to)469-470
Publication StatusPublished
<mark>Original language</mark>English


The magnetic field dependence of the thermal conductivity of praseodymium ethylsulphate has been measured between 0.4 and 4 K. Results below 1K can be explained in terms of phonon scattering between magnetic levels. Above 1K anomalies occur for which a satisfactory explanation is not yet available, although they seem to have some connection with extra lines observed in the optical spectrum