CRYSTAL FIELD EXCITATIONS IN BULK TbCu2, AS THE PRECURSOR METALLIC ALLOY OF SUPERANTIFERROMAGNETIC NANOPARTICLES
The energy structure and temperature dependence of the magnetic excitation spectra of bulk TbCu2 will be studied by inelastic neutron scattering, as the precursor of Superantiferromagnetic nanoparticles. The measurements will be performed on polycrystalline samples of TbCu2 and its analogue Tb0.1Y0.9Cu2 on the high intensity time-of-flight spectrometer IN4 in the temperature range 1.5 K < T < 150 K. The crystal field (CF) parameters will be calculated and the CF splitting scheme of the 4f ground multiplet of Tb3+ ions will be also determined from the analysis of the INS spectra. The temperature dependence of these excitations is of relevance to make a calculation of the spin-wave spectrum of TbCu2 and nanostructured related materials.
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L Fernandez Barquin; BLANCO RODRIGUEZ Jesus Angel; DE LA FUENTE RODRIGUEZ Maria; FAK Bjorn and MICHELS Andreas. (2017). CRYSTAL FIELD EXCITATIONS IN BULK TbCu2, AS THE PRECURSOR METALLIC ALLOY OF SUPERANTIFERROMAGNETIC NANOPARTICLES. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-04-486
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