Spin-lattice relaxation in potassium chromium alum

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Flokstra, J. and Gerritsma, G.J. and Marel, L.C. van der (1978) Spin-lattice relaxation in potassium chromium alum. Physica B+C, 94 (1). pp. 53-59. ISSN 0378-4363

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Abstract: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.
Item Type:Article
Copyright:© 1978 Elsevier Science
Faculty:
Science and Technology (TNW)
Link to this item:http://purl.utwente.nl/publications/68443
Official URL:http://dx.doi.org/10.1016/0378-4363(78)90073-6
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