Takuto Matsumoto
Programmable spin-state switching in a mixed-valence spin-crossover iron grid
Matsumoto, Takuto; Newton, Graham N.; Shiga, Takuya; Hayami, Shinya; Matsui, Yuta; Okamoto, Hiroshi; Kumai, Reiji; Murakami, Youichi; Oshio, Hiroki
Authors
GRAHAM NEWTON GRAHAM.NEWTON@NOTTINGHAM.AC.UK
Associate Professor
Takuya Shiga
Shinya Hayami
Yuta Matsui
Hiroshi Okamoto
Reiji Kumai
Youichi Murakami
Hiroki Oshio
Abstract
Photo-switchable systems, such as discrete spin-crossover complexes and bulk iron–cobalt Prussian blue analogues, exhibit, at a given temperature, a bistability between low- and high-spin states, allowing the storage of binary data. Grouping different bistable chromophores in a molecular framework was postulated to generate a complex that could be site-selectively excited to access multiple electronic states under identical conditions. Here we report the synthesis and the thermal and light-induced phase transitions of a tetranuclear
iron(II) grid-like complex and its two-electron oxidized equivalent. The heterovalent grid is thermally inactive but the spin states of its constituent metal ions are selectively switched using different laser stimuli, allowing the molecule to exist in three discrete phases. Site-selective photo-excitation, herein enabling one molecule to process ternary data, may have major ramifications in the development of future molecular memory storage technologies.
Citation
Matsumoto, T., Newton, G. N., Shiga, T., Hayami, S., Matsui, Y., Okamoto, H., …Oshio, H. (2014). Programmable spin-state switching in a mixed-valence spin-crossover iron grid. Nature Communications, 5, 1-8. https://doi.org/10.1038/ncomms4865
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 11, 2014 |
Online Publication Date | May 15, 2014 |
Publication Date | May 15, 2014 |
Deposit Date | Sep 12, 2017 |
Publicly Available Date | Mar 29, 2024 |
Journal | Nature Communications |
Electronic ISSN | 2041-1723 |
Publisher | Nature Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 5 |
Article Number | 3865 |
Pages | 1-8 |
DOI | https://doi.org/10.1038/ncomms4865 |
Public URL | https://nottingham-repository.worktribe.com/output/1103164 |
Publisher URL | https://www.nature.com/articles/ncomms4865 |
PMID | 24832549 |
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Programmable spin-state switching in a mixed-valence spin-crossover iron grid
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/3.0/
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