Spin-lattice relaxation in potassium chromium alum

Jakob Flokstra, G.J. Gerritsma, L.C. van der Marel

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A comparison is made between the results of low-frequency relaxation measurements on potassium chromium alum placed in liquid helium and in vacuum, respectively. It is found that only a part of the lattice oscillations is involved in the spin-lattice relaxation process. The spin-lattice relaxation time was found after correcting the time constants of the vacuum measurements by experimental shortening factors. The differences between the spin-lattice relaxation time and the time constants from the liquid-helium measurements can be explained for the greater part by the finite thermal conductivity of the liquid helium.
Original languageUndefined
Pages (from-to)53-59
JournalPhysica B+C
Issue number1
Publication statusPublished - 1978


  • IR-68443

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