ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The ac susceptibility of powder sample TMCuC, a S= (1)/(2) , 1D Heisenberg ferromagnet, was measured in the temperature range 4.2 K≤T≤20 K and in the fields 1, 1.5, and 2 T. The data are compared with the theory of Johnson and Bonner [J. D. Johnson and J. C. Bonner, Phys. Rev. B 22, 251 (1980)], which includes the spin-wave and bound spin-wave excitations. Preliminary fittings yield parameters J/k=45 K, average g value=2.1, and γ=0.955 (anisotropy 4.5%), and show that the bound-state excitations have a significant effect on the magnetic behavior.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.345857
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