Co(II)-Based single-ion magnets with 1,1 '-ferrocenediyl-bis(diphenylphosphine) metalloligands
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2020-09-07
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Mark
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Royal Society of Chemistry
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Abstract
Herein, we report on investigations of magnetic and spectroscopic properties of three heterobimetallic Fe(ii)-Co(ii) coordination compounds based on the tetracoordinate {CoP2X2} core encapsulated by dppf metalloligand, where X = Cl (1), Br (2), I (3), dppf = 1,1 '-ferrocenediyl -bis(diphenylphosphine). The analysis of static magnetic data has revealed the presence of axial magnetic anisotropy in compounds (1) and (2) and this was further confirmed by high-frequency electron spin resonance (HF-ESR) spectroscopy. Dynamic magnetic data confirmed that (1) and (2) behave as field-induced Single-Ion Magnets (SIMs). Together with bulk studies, we have also tested the possibility of depositing (2) as thick films on Au(111), glass, and polymeric acetate by drop-casting as well as thermal sublimation, a key aspect for the development of future devices embedding these magnetic objects.
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Dalton Transactions. 2020, vol. 49, issue 33, p. 11697-11707.
https://pubs.rsc.org/en/content/articlehtml/2020/dt/d0dt01512a
https://pubs.rsc.org/en/content/articlehtml/2020/dt/d0dt01512a
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Peer-reviewed
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en