Chemical Engineering of Molecular Qubits

Chemical Engineering of Molecular Qubits

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 systematical...

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Bibliographic Details
Main Authors: Wedge, C, Timco, G, Spielberg, E, George, R, Tuna, F, Rigby, S, McInnes, E, Winpenny, REP, Blundell, S, Ardavan, A
Format: Journal article
Language:English
Published: American Physical Society 2012
Description
Summary: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.

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