A Trigonal Prismatic Cobalt(II) Complex as a Single Molecule Magnet with a 
Reduced Contribution from Quantum Tunneling

Pavlov, Alexander A.; Aleshin, Dmitry Y.; Savkina, Svetlana A.; Belov, Alexander S.; Efimov, Nikolay N.; Nehrkorn, Joscha Paul; Ozerov, Mykhaylo; Voloshin, Yan Z.; Nelyubina, Yulia V.; Novikov, Valentin V.

doi:10.1002/cphc.201900219

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A Trigonal Prismatic Cobalt(II) Complex as a Single Molecule Magnet with a Reduced Contribution from Quantum Tunneling

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Nehrkorn, Joscha Paul
Research Department DeBeer, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

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Citation

Pavlov, A. A., Aleshin, D. Y., Savkina, S. A., Belov, A. S., Efimov, N. N., Nehrkorn, J. P., et al. (2019). A Trigonal Prismatic Cobalt(II) Complex as a Single Molecule Magnet with a Reduced Contribution from Quantum Tunneling. ChemPhysChem, 20(8), 1001-1005. doi:10.1002/cphc.201900219.

Cite as: https://hdl.handle.net/21.11116/0000-0006-5D40-A

Abstract

Herein, we report a new trigonal prismatic cobalt(II) complex that behaves as a single molecule magnet. The obtained zero-field splitting, which is also directly accessed by THz-EPR spectroscopy (-102.5 cm(-1)), results in a large magnetization reversal barrier U of 205 cm(-1). Its effective value, however, is much lower (101 cm(-1)), even though there is practically no contribution from quantum tunneling to magnetization relaxation.