Journal
INORGANIC CHEMISTRY
Volume 53, Issue 19, Pages 10716-10721Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic501906z
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Funding
- Northwestern University
- Institute for Sustainability and Energy at Northwestern University (ISEN) Booster Award [10031846]
- NSF [DMR1157490]
- State of Florida
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The high-spin pseudotetrahedral complex [Co-(C3S5)(2)](2-) exhibits slow magnetic relaxation in the absence of an applied dc magnetic field, one of a small number of mononuclear complexes to display this property. Fits to low-temperature magnetization data indicate that this single-molecule magnet possesses a very large and negative axial zero-field splitting and small rhombicity. The presence of single-molecule magnet behavior in a zero-nuclear spin ligand field offers the opportunity to investigate the potential for this molecule to be a qubit, the smallest unit of a quantum information processing (QIP) system. However, simulations of electron paramagnetic resonance (EPR) spectra and the absence of EPR spectra demonstrate that this molecule is unsuitable as a qubit due to the same factors that promote single molecule magnet behavior. We discuss the influence of rhombic and axial zero-field splitting on QIP applications and the implications for future molecular qubit syntheses.
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