Multifrequency probe for pulsed EPR and ENDOR spectroscopy

Nikolai I. Avdievich; Gary J. Gerfen

doi:10.1006/jmre.2001.2450

Multifrequency probe for pulsed EPR and ENDOR spectroscopy

Nikolai I. Avdievich, Gary J. Gerfen

Physiology & Biophysics

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The design, construction, and performance of a multifrequency pulsed EPR and ENDOR probe for use at cryogenic temperatures are described. Interchangeable resonators based on a folded strip line design allow variation of the resonance frequency over a range of 5-11 GHz. Variable coupling to the resonator is achieved capacitively via a simple mechanical adjustment which is thermally and mechanically stable. The entire assembly is robust and easily fabricated. Common methods of analyzing the resonator parameters such as the Q-factor and coupling coefficient are discussed quantitatively. Probe performance data and multifrequency pulsed ENDOR spectra are presented.

Original language	English (US)
Pages (from-to)	178-185
Number of pages	8
Journal	Journal of Magnetic Resonance
Volume	153
Issue number	2
DOIs	https://doi.org/10.1006/jmre.2001.2450
State	Published - 2001

ASJC Scopus subject areas

Biophysics
Biochemistry
Nuclear and High Energy Physics
Condensed Matter Physics

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10.1006/jmre.2001.2450

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abstract = "The design, construction, and performance of a multifrequency pulsed EPR and ENDOR probe for use at cryogenic temperatures are described. Interchangeable resonators based on a folded strip line design allow variation of the resonance frequency over a range of 5-11 GHz. Variable coupling to the resonator is achieved capacitively via a simple mechanical adjustment which is thermally and mechanically stable. The entire assembly is robust and easily fabricated. Common methods of analyzing the resonator parameters such as the Q-factor and coupling coefficient are discussed quantitatively. Probe performance data and multifrequency pulsed ENDOR spectra are presented.",

author = "Avdievich, {Nikolai I.} and Gerfen, {Gary J.}",

note = "Funding Information: N.I.A. thanks Dr. J. Peisach for constant encouragement in pursuing this work and Dr. A. V. Koptyug for helpful discussions. This work was supported by Grants GM60609 (G.J.G.) and GM40168 (J.P.) from the National Institutes of Health.",

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Multifrequency probe for pulsed EPR and ENDOR spectroscopy

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