Regensburg 2025 – scientific programme
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MA: Fachverband Magnetismus
MA 41: Poster III
MA 41.28: Poster
Thursday, March 20, 2025, 15:00–17:30, P3
Inelastic Neutron Scattering on a Family of 3d-4f Mn2Ln2 Single Molecule Magnets — •Vishali Vishali1, Julius Mutschler1, Amal Bouraoui1, Christopher E. Anson2, Oliver Waldmann1, and Annie K. Powell2 — 1Physikalisches Institut, Universitat Freiburg, D-79104 Freiburg, Germany — 2Institut of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), D-76131 Karlsruhe, Germany
Recent studies in the Single Molecule Magnet (SMM) research area have increasingly focused on 4f ions, which offer enhanced magnetic anisotropy and angular momentum, offering new avenues for SMM research. However, the analysis of experimental data remains a challenge for 4f based SMMs due to overparametrization, and in the case of Inelastic Neutron Scattering (INS) due to low scattering intensities in pure 4f SMMs. A promising approach to overcome these challenges involves expanding the study to heterometallic SMMs incorporating both 3d and 4f ions. The inclusion of 3d ions can enhance INS intensities and improve the quality of INS data. This increases the amount of information on the 4f ion properties which can be drawn from the experiment. In this work, high quality INS data of Mn2Ln2-square complexes with Ln = Y, Tb, Ho, and Dy are presented. A comprehensive analysis and interpretation of the INS data as well as magnetic data is presented, providing deeper insights into the magnetic behavior of these systems.
Keywords: Inelastic Neutron Scattering; Single Molecule Magnets