✦ LIBER ✦

Multifrequency Probe for Pulsed EPR and ENDOR Spectroscopy

✍ Scribed by Nikolai I. Avdievich; Gary J. Gerfen

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 139 KB
Volume: 153
Category: Article
ISSN: 1090-7807
DOI: 10.1006/jmre.2001.2450

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✦ Synopsis

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.

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