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A multifrequency high-field pulsed electron paramagnetic resonance/electron-nuclear double resonance spectrometer
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Morley, Gavin, Brunel, Louis-Claude and Tol, J. (Johan) van (2008) A multifrequency high-field pulsed electron paramagnetic resonance/electron-nuclear double resonance spectrometer. Review of Scientific Instruments, Vol.79 (No.6). 064703-1. doi:10.1063/1.2937630 ISSN 0034-6748.
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Official URL: http://dx.doi.org/10.1063/1.2937630
Abstract
We describe a pulsed electron paramagnetic resonance spectrometer operating at several frequencies in the range of 110–336 GHz. The microwave source at all frequencies consists of a multiplier chain starting from a solid state synthesizer in the 12–15 GHz range. A fast p-i-n-switch at the base frequency creates the pulses. At all frequencies a Fabry–Pérot resonator is employed and the π/2 pulse length ranges from ∼ 100 ns at 110 GHz to ∼ 600 ns at 334 GHz. Measurements of a single crystal containing dilute Mn2+ impurities at 12 T illustrate the effects of large electron spin polarizations. The capabilities also allow for pulsed electron-nuclear double resonance (ENDOR) experiments as demonstrated by Mims ENDOR of 39K nuclei in Cr:K3NbO8.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Chromium, Polarization (Nuclear physics), Electron paramagnetic resonance spectroscopy, Electron nuclear double resonance, Resonators, Potassium compounds | ||||
| Journal or Publication Title: | Review of Scientific Instruments | ||||
| Publisher: | American Institute of Physics | ||||
| ISSN: | 0034-6748 | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Vol.79 | ||||
| Number: | No.6 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | 064703-1 | ||||
| DOI: | 10.1063/1.2937630 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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