Spin lattice relaxation in TmNi5 above its curie temperature |
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| Authors: | P.C.M. Gubbens A.M. van der Kraan K.H.J. Buschow |
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| Affiliation: | Interuniversitair Reactor Instituut, 2629 JB Delft, The Netherlands;Philips Research Laboratories, 5600 JA Eindhoven, The Netherlands |
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| Abstract: | The hexagonal compound TmNi5 was investigated by means of 169Tm Mössbauer spectroscopy in the temperature range 4–350 K. Above Tc=4.5 K the magnetic hyperfine interactions were found to be governed by paramagnetic relaxation. This behaviour was interpreted in terms of a stochastic spin-down model. The spin lattice relaxation time was found to follow an exponential temperature dependence. |
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