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Matrix Line in Pulsed Electron-Nuclear Double Resonance Spectra

✍ Scribed by Andrei V. Astashkin; Asako Kawamori

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
229 KB
Volume
135
Category
Article
ISSN
1090-7807

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✦ Synopsis

The intense line in Mims and Davies electron-nuclear double resonance (ENDOR) spectra due to the hyperfine interactions of an unpaired electron with distant matrix nuclei is shown to originate from a simultaneous inversion of a large number of nuclear spins by a radiofrequency pulse. Theoretical expressions describing the matrix ENDOR effect are derived and verified experimentally.

πŸ“œ SIMILAR VOLUMES

Pulsed Electron-Nuclear Double Resonance
Pulsed Electron-Nuclear Double Resonance (ENDOR) at 140 GHz
✍ M. Bennati; C.T. Farrar; J.A. Bryant; S.J. Inati; V. Weis; G.J. Gerfen; P. Riggs πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 144 KB

We describe a spectrometer for pulsed ENDOR at 140 GHz, which is based on microwave IMPATT diode amplifiers and a probe consisting of a TE 011 cavity with a high-quality resonance circuit for variable radiofrequency irradiation. For pulsed EPR we obtain an absolute sensitivity of 3 Ψ‹ 10 9 spins/Gaus