Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets

Danielle Kaminski, Amy L. Webber, Christopher J. Wedge, Junjie Liu, Grigore A. Timco, Iñigo J. Vitorica-Yrezabal, Eric J L McInnes, Richard E P Winpenny, Arzhang Ardavan

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Among the factors determining the quantum coherence of the spin in molecular magnets are the presence and the nature of nuclear spins in the molecule. We have explored modifying the nuclear-spin environment in Cr7Ni-based molecular nanomagnets by replacing hydrogen atoms with deuterium or the halogen atoms, fluorine or chlorine. We find that the spin coherence, studied at low temperatures by pulsed electron-spin resonance, is modified by a range of factors, including nuclear spin and magnetic moment, changes in dynamics owing to nuclear mass, and molecular morphology changes.

Original languageEnglish
Article number184419
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume90
Issue number18
DOIs
Publication statusPublished - 18 Nov 2014
Externally publishedYes

Fingerprint

Halogens
nuclear spin
halogens
Atoms
Fluorine
Deuterium
Chlorine
Magnetic moments
Magnets
Paramagnetic resonance
Hydrogen
Molecules
chlorine
fluorine
deuterium
hydrogen atoms
electron paramagnetic resonance
magnets
magnetic moments
moments

Cite this

Kaminski, D., Webber, A. L., Wedge, C. J., Liu, J., Timco, G. A., Vitorica-Yrezabal, I. J., ... Ardavan, A. (2014). Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets. Physical Review B - Condensed Matter and Materials Physics, 90(18), [184419]. https://doi.org/10.1103/PhysRevB.90.184419
Kaminski, Danielle ; Webber, Amy L. ; Wedge, Christopher J. ; Liu, Junjie ; Timco, Grigore A. ; Vitorica-Yrezabal, Iñigo J. ; McInnes, Eric J L ; Winpenny, Richard E P ; Ardavan, Arzhang. / Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets. In: Physical Review B - Condensed Matter and Materials Physics. 2014 ; Vol. 90, No. 18.
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Kaminski, D, Webber, AL, Wedge, CJ, Liu, J, Timco, GA, Vitorica-Yrezabal, IJ, McInnes, EJL, Winpenny, REP & Ardavan, A 2014, 'Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets', Physical Review B - Condensed Matter and Materials Physics, vol. 90, no. 18, 184419. https://doi.org/10.1103/PhysRevB.90.184419

Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets. / Kaminski, Danielle; Webber, Amy L.; Wedge, Christopher J.; Liu, Junjie; Timco, Grigore A.; Vitorica-Yrezabal, Iñigo J.; McInnes, Eric J L; Winpenny, Richard E P; Ardavan, Arzhang.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 90, No. 18, 184419, 18.11.2014.

Research output: Contribution to journalArticle

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T1 - Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets

AU - Kaminski, Danielle

AU - Webber, Amy L.

AU - Wedge, Christopher J.

AU - Liu, Junjie

AU - Timco, Grigore A.

AU - Vitorica-Yrezabal, Iñigo J.

AU - McInnes, Eric J L

AU - Winpenny, Richard E P

AU - Ardavan, Arzhang

PY - 2014/11/18

Y1 - 2014/11/18

N2 - Among the factors determining the quantum coherence of the spin in molecular magnets are the presence and the nature of nuclear spins in the molecule. We have explored modifying the nuclear-spin environment in Cr7Ni-based molecular nanomagnets by replacing hydrogen atoms with deuterium or the halogen atoms, fluorine or chlorine. We find that the spin coherence, studied at low temperatures by pulsed electron-spin resonance, is modified by a range of factors, including nuclear spin and magnetic moment, changes in dynamics owing to nuclear mass, and molecular morphology changes.

AB - Among the factors determining the quantum coherence of the spin in molecular magnets are the presence and the nature of nuclear spins in the molecule. We have explored modifying the nuclear-spin environment in Cr7Ni-based molecular nanomagnets by replacing hydrogen atoms with deuterium or the halogen atoms, fluorine or chlorine. We find that the spin coherence, studied at low temperatures by pulsed electron-spin resonance, is modified by a range of factors, including nuclear spin and magnetic moment, changes in dynamics owing to nuclear mass, and molecular morphology changes.

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DO - 10.1103/PhysRevB.90.184419

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