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**Nota de Física****Publicado**

# **NMR Study of the Change in the Direction of Magnetization of **<math>HoCo2</math>\<math>HoCo\_2\</math><math>HoCo2​</math>

**A. P. Guimarães; K.M.B. Alves; N. Alves; E. Gratz**

1986

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## **Datos de la publicación**

<dl>

<dt>Autores</dt>
<dd>A. P. Guimarães; K.M.B. Alves; N. Alves; E. Gratz</dd>

<dt>Tipo</dt>
<dd>Nota de Física</dd>

<dt>Estado</dt>
<dd>Publicado</dd>

<dt>Fecha de publicación</dt>
<dd>1986</dd>

<dt>Descripción</dt>
<dd>The intermetallic compound &lt;math&gt;HoCo_2\,\!&lt;/math&gt; is magnetically ordered and changes its direction of magnetization around 15 K, as the temperature is increased, from [110] to [100]. We report a &lt;math&gt;^{59}Co\,\!&lt;/math&gt; pulsed NMR study of &lt;math&gt;HoCo_2\,\!&lt;/math&gt; in the temperature range 4 K - 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 in termediate directions contained in the plane z=0.</dd>

<dt>Año</dt>
<dd>1986</dd>

<dt>Número</dt>
<dd>CBPF-NF-052/86</dd>

<dt>Vínculo con tesis</dt>
<dd>No</dd>

<dt>Vínculo con beca</dt>
<dd>No</dd>

</dl>

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