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161 Dy Time‐Domain Synchrotron Mössbauer Spectroscopy for Investigating Single‐Molecule Magnets Incorporating Dy Ions
Author(s) -
Scherthan Lena,
Schmidt Sebastian F. M.,
Auerbach Hendrik,
Hochdörffer Tim,
Wolny Juliusz A.,
Bi Wenli,
Zhao Jiyong,
Hu Michael Y.,
Toellner Tom,
Alp E. Ercan,
Brown Dennis E.,
Anson Christopher E.,
Powell Annie K.,
Schünemann Volker
Publication year - 2019
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201810505
Subject(s) - hyperfine structure , mössbauer spectroscopy , ion , mössbauer effect , chemistry , dysprosium , crystallography , synchrotron , fermi contact interaction , spectroscopy , single molecule magnet , molecule , magnet , analytical chemistry (journal) , nuclear magnetic resonance , materials science , atomic physics , magnetic field , magnetization , inorganic chemistry , physics , organic chemistry , quantum mechanics , nuclear physics , chromatography
Time‐domain synchrotron Mössbauer spectroscopy (SMS) based on the Mössbauer effect of 161 Dy has been used to investigate the magnetic properties of a Dy III ‐based single‐molecule magnet (SMM). The magnetic hyperfine field of [Dy(Cy 3 PO) 2 (H 2 O) 5 ]Br 3 ⋅2 (Cy 3 PO)⋅2 H 2 O⋅2 EtOH is with B 0 =582.3(5) T significantly larger than that of the free‐ion Dy III with a 6 H 15/2 ground state. This difference is attributed to the influence of the coordinating ligands on the Fermi contact interaction between the s and 4f electrons of the Dy III ion. This study demonstrates that 161 Dy SMS is an effective local probe of the influence of the coordinating ligands on the magnetic structure of Dy‐containing compounds.