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Quantum-rotor-induced polarization

Quantum-rotor-induced polarization
Quantum-rotor-induced polarization
Quantum-rotor-induced polarization is closely related to para-hydrogen-induced polarization. In both cases the hyperpolarized spin order derives from rotational interaction, and the Pauli principle by which the symmetry of the rotational ground state dictates the symmetry of the associated nuclear spin state. In quantum-rotor-induced polarization there may be several spin states associated with the rotational ground state, and the hyperpolarization is typically generated by hetero-nuclear cross-relaxation. This review discusses preconditions for quantum-rotor-induced polarization for both the 1-dimensional methyl rotor and the asymmetric rotor H217O@C60, i.e. a single water molecule encapsulated in fullerene C60. Experimental results are presented for both rotors.
Quantum-rotor-induced polarization, Hyperpolarization, Nuclear Spin Conversion, Spin Isomerism, Methyl, Water
1-9
Meier, Benno
ed19bfd6-3347-43f1-9e1a-06e6586ee4d1
Meier, Benno
ed19bfd6-3347-43f1-9e1a-06e6586ee4d1

Meier, Benno (2018) Quantum-rotor-induced polarization. Magnetic Resonance in Chemistry, 1-9.

Record type: Review

Abstract

Quantum-rotor-induced polarization is closely related to para-hydrogen-induced polarization. In both cases the hyperpolarized spin order derives from rotational interaction, and the Pauli principle by which the symmetry of the rotational ground state dictates the symmetry of the associated nuclear spin state. In quantum-rotor-induced polarization there may be several spin states associated with the rotational ground state, and the hyperpolarization is typically generated by hetero-nuclear cross-relaxation. This review discusses preconditions for quantum-rotor-induced polarization for both the 1-dimensional methyl rotor and the asymmetric rotor H217O@C60, i.e. a single water molecule encapsulated in fullerene C60. Experimental results are presented for both rotors.

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Accepted/In Press date: 10 February 2018
e-pub ahead of print date: 15 April 2018
Keywords: Quantum-rotor-induced polarization, Hyperpolarization, Nuclear Spin Conversion, Spin Isomerism, Methyl, Water

Identifiers

Local EPrints ID: 418097
URI: https://eprints.soton.ac.uk/id/eprint/418097
PURE UUID: f996911d-c810-4f56-9d1b-aeaedbabe813
ORCID for Benno Meier: ORCID iD orcid.org/0000-0003-2258-1507

Catalogue record

Date deposited: 22 Feb 2018 17:30
Last modified: 15 May 2019 04:01

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Author: Benno Meier ORCID iD

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