Open AccessChemical Engineering of Molecular Qubits
Author(s) -
Christopher J. Wedge,
Grigore A. Timco,
Eike T. Spielberg,
Richard E. George,
Floriana Tuna,
S. V. Rigby,
Eric J. L. McInnes,
Richard E. P. Winpenny,
Stephen J. Blundell,
Arzhang Ardavan
Publication year - 2012
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.108.107204
Subject(s) - qubit , superconducting quantum computing , physics , quantum mechanics , quantum
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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