Abstract
Both metalloporphyrins and heterometallic {Cr7Ni} rings are of significant research interest due to their proposed roles in quantum information processing devices. In this study, we present a series of complexes in which [Cr7NiF3(Etglu)(O2CtBu)15] (N-EtgluH5 = N-ethyl-D-glucamine) heterometallic rings are coordinated to metalloporphyrin linkers: the symmetric [M(TPyP)] for M= Cu2+, VO2+ and H2TPyP = 5,10,15,20-tetra(4-pyridyl)porphyrin; and the asymmetric [{VO}(TrPPyP)] for H2(TrPPyP) = 5,10,15-(triphenyl)-20-(4-pyridyl)porphyrin. The magnetic interactions present in these complexes are unraveled using the continuous wave (CW) Electron Paramagnetic Resonance (EPR) technique. The nature of the coupling between the {Cr7Ni} rings and the central metalloporphyrin is assessed by numerical simulations of CW EPR spectra and determined to be on the order of 0.01 cm-1, larger than the dipolar ones and suitable for individual spin addressability in multi-qubit architectures.
Original language | English |
---|---|
Pages (from-to) | 15460-15466 |
Number of pages | 7 |
Journal | Inorganic Chemistry |
Volume | 63 |
Issue number | 33 |
Early online date | 28 Jun 2024 |
DOIs | |
Publication status | Published - 19 Aug 2024 |
Keywords
- Porphyrin chemistry
- Macromolecular systems
- Molecular magnetism
- EPR spectroscopy
Fingerprint
Dive into the research topics of 'Weak Exchange Interactions in Multispin Systems: EPR Studies of Metalloporphyrins Decorated with {Cr7Ni} Rings'. Together they form a unique fingerprint.Equipment
-
EPSRC National Research Facility for Electron Paramagnetic Resonance
Collison, D. (Academic lead), Mcinnes, E. (Academic lead), Tuna, F. (Academic lead), Bowen, A. (Academic lead), Shanmugam, M. (Senior Technical Specialist), Brookfield, A. (Technical Specialist), Fleming, E. (Other) & Cliff, M. (Platform Lead)
FSE ResearchFacility/equipment: Facility