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Title: 161 Dy Time‐Domain Synchrotron Mössbauer Spectroscopy for Investigating Single‐Molecule Magnets Incorporating Dy Ions

Journal Article · · Angewandte Chemie
ORCiD logo [1];  [2];  [1];  [1]; ORCiD logo [1];  [3];  [4]; ORCiD logo [4];  [4];  [4];  [5];  [2];  [6]; ORCiD logo [1]
  1. Department of Physics Technische Universität Kaiserslautern Erwin-Schrödinger-Str. 46 67663 Kaiserslautern Germany
  2. Institute of Inorganic Chemistry Karlsruhe Institute of Technology Engesserstr. 15 76131 Karlsruhe Germany
  3. Advanced Photon Source Argonne National Laboratory 9700 S. Cass Avenue Argonne IL 60439 USA, Department of Geology University of Illinois at Urbana-Champaign Urbana IL 61801 USA
  4. Advanced Photon Source Argonne National Laboratory 9700 S. Cass Avenue Argonne IL 60439 USA
  5. Department of Physics Northern Illinois University 1425 W. Lincoln Hwy. DeKalb IL 60115-2828 USA
  6. Institute of Inorganic Chemistry Karlsruhe Institute of Technology Engesserstr. 15 76131 Karlsruhe Germany, Institute of Nanotechnology Karlsruhe Institute of Technology 76131 Karlsruhe Germany

Abstract 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.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1786167
Journal Information:
Angewandte Chemie, Journal Name: Angewandte Chemie Journal Issue: 11 Vol. 131; ISSN 0044-8249
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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