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Dead-Time Free Measurement of Dipole–Dipole Interactions between Electron Spins

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Pannier, M, Veit, S, Godt, A, Jeschke, G, Spiess, H.W·2000·Journal of Magnetic Resonance

Abstract

A four-pulse version of the pulse double electron-electron resonance (DEER) experiment is presented, which is designed for the determination of interradical distances on a nanoscopic length-scale. With the new pulse sequence electron-electron couplings can be studied without dead-time artifacts, so that even broad distributions of electron-electron distances can be characterized. A version of the experiment that uses a pulse train in the detection period exhibits improved signal-to-noise ratio. Tests on two nitroxide biradicals with known length indicate that the accessible range of distances extends from about 1.5 to 8 nm. The four-pulse DEER spectra of an ionic spin probe in an ionomer exhibit features due to probe molecules situated both on the same and on different ion clusters. The former feature provides information on the cluster size and is inaccessible with previous methods.

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Metadata

Authors
Pannier, M., Veit, S., Godt, A., Jeschke, G., & Spiess, H. W.
Venue
Journal of Magnetic Resonance
Publisher
Elsevier BV
Published
2000-02
Volume
142
Issue
2
Pages
331-340
ISSN
1090-7807 (ISSN-L)
OpenAlex
W2026516359
Cited by
1,056
References
0
FWCI
6.96
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Dead-Time Free Measurement of Dipole–Dipole Interactions between Electron Spins. https://app.cochat.ai/papers/10.1006/jmre.1999.1944
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Pannier, M., Veit, S., Godt, A., Jeschke, G., & Spiess, H. W. (2000). Dead-Time Free Measurement of Dipole–Dipole Interactions between Electron Spins. Journal of Magnetic Resonance. https://doi.org/10.1006/jmre.1999.1944

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.