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Radical Spin Polarization and Magnetosensitivity from Reversible Energy Transfer

John Hudson, Emrys Evans Orcid Logo

The Journal of Physical Chemistry Letters, Volume: 15, Issue: 15, Pages: 4130 - 4135

Swansea University Authors: John Hudson, Emrys Evans Orcid Logo

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Abstract

Molecular spins provide potential building units for future quantum information science and spintronic technologies. In particular, doublet (S = 1/2) and triplet (S = 1) molecular spin states have the potential for excellent optical and spin properties for these applications if useful photon-spin me...

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Published in: The Journal of Physical Chemistry Letters
ISSN: 1948-7185 1948-7185
Published: American Chemical Society (ACS) 2024
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa65937
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Abstract: Molecular spins provide potential building units for future quantum information science and spintronic technologies. In particular, doublet (S = 1/2) and triplet (S = 1) molecular spin states have the potential for excellent optical and spin properties for these applications if useful photon-spin mechanisms at room temperature can be devised. Here we explore the potential of exploiting reversible energy transfer between triplet and doublet states to establish magnetosensitive luminescence and spin polarization. We investigate the dependence of the photon-spin mechanism on the magnitude and sign of the exchange interaction between the doublet and triplet spin components in amorphous and crystalline model systems. The design of a magnetic field inclination sensor is proposed from understanding the required “structure” (spin interactions) to “function” (magnetosensitivity).
College: Faculty of Science and Engineering
Funders: Society of Chemical Industry; Engineering and Physical Sciences Research Council - EP/W018519/1, EP/T517987/1; Royal Society - URF\R1\201300
Issue: 15
Start Page: 4130
End Page: 4135