Magnetic excitations of HoAl2 in a magnetic field |
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| Authors: | W Schelp W Drewes H-G Purwins G Eckold |
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| Institution: | Institut für Angewandte Physik, Universität Münster, Fed. Rep. Germany;IFF, Kernforschungsanlage Jülich, Fed. Rep. Germany;Institut für Kristallographie, RWTH Aachen, Fed. Rep. Germany |
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| Abstract: | The ground state spin wave excitation energies of single crystalline HoAl2 have been studied at T= 4.2 K in external magnetic fields up to 7 T by means of inelastic neutron scattering. The results have been interpreted in terms of a cubic crystalline electric field using the parameters determined by magnetization measurements and an exchange interaction with the exchange parameters taken from the zero field measurements. |
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