Magnetic properties of Y2Fe14B and Nd2Fe14B single crystals |
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Authors: | D Givord HS Li R Perrier de la Bâthie |
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Institution: | Laboratoire Louis Néel, C.N.R.S., 166X, 38042 Grenoble-cédex,, France |
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Abstract: | Y2Fe14B and Nd2Fe14B are ferromagnets in which 3d interactions are dominant. In Y2Fe14B, the ![/></figure>-axis of the quadraticque est de magnetization. The 3d anisotropy is an order of magnitude weaker than in YCo<sub>5</sub>. In agreement with point-charge model, CEF potential in Nd<sub>2</sub>Fe<sub>14</sub>B favours the <figure class=](https://ars.els-cdn.com/content/image/1-s2.0-0038109884910871-fx1.gif) ![/></figure>-axis at 300 K. At low temperature, the magnetization reorientation observed results from competition between exchange and anisotropy.</td>
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