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Chemical Engineering of Molecular Qubits

Wedge, Christopher J., Timco, G. A., Spielberg, E. T., George, R. E., Tuna, F., Rigby, S., McInnes, E. J. L., Winpenny, R. E. P., Blundell, S. J. and Ardavan, A. (2012) Chemical Engineering of Molecular Qubits. Physical Review Letters, 108 (10). ISSN 0031-9007

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We show that the electron spin phase memory time, the most important property of a molecular nanomagnet from the perspective of quantum information processing, can be improved dramatically by chemically engineering the molecular structure to optimize the environment of the spin. We vary systematically each structural component of the class of antiferromagnetic Cr(7)Ni rings to identify the sources of decoherence. The optimal structure exhibits a phase memory time exceeding 15 μs.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Christopher Wedge
Date Deposited: 27 Mar 2017 13:57
Last Modified: 28 Aug 2021 16:35


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