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NMR study of the change in the direction of magnetization of HoCo2 (1987)

Guimara˜es, A. P. ; Alves, K. M. B. ; Alves, N. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 61 (1987), S. 3985-3986

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The intermetallic compound HoCo2 is magnetically ordered and changes its directon of magnetization around 15 K, as the temperature is increased, from [110] to [100]. We report a 59Co pulsed NMR study of HoCo2 in the temperature range 4–65 K. The NMR spectra show two peaks at low temperature and one peak at high temperatures, as expected from a model whereby the magnetic equivalence of the cobalt sites is determined by the direction of magnetization. This change in the spectra can be simulated from lattice sums of the magnetic dipolar fields acting on the cobalt sites. The present results are consistent with a change of direction of magnetization from [110] to [100] through intermediate directions contained in the plane z=0.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.338552

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