Width of the ferromagnetic resonance line in single crystal gadolinium
A. G. AndersPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRD. P. BelozorovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRA. I. Spol'nikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR
ABI
Abstract
The behavior of ferromagnetic resonance linewidth in single crystal gadolinium is studied over the temperature range 77–340 °K. The role of various line broadening mechanisms in this temperature interval is studied. It is shown that in imperfect crystals dislocations play a significant role in line broadening, and that dislocation broadening is well described by theory. X-ray structural analysis data are used to find the temperature dependence of the ferromagnetic relaxation constant.
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