Two air-stable, isostructural, mononuclear six-coordinate manganese(II) and cobalt(II) oxamate complexes, [(4-HOpa)(HO)] [4-HOpa = -4-hydroxyphenyloxamate; = Mn () or Co ()], exhibit field-induced slow magnetic relaxation. A bottleneck process is observed throughout the temperature range of 2-20 K for , while for , it dominates only at low temperatures (2-4 K). Additionally, the Raman process [ = 6.9(2)] is responsible for an increase in the relaxation time at higher temperatures to .
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| http://dx.doi.org/10.1021/acs.inorgchem.0c01628 | DOI Listing |
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