| Novel multisample dielectric resonators for electron paramagnetic resonance spectroscopy. | |
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MedLine Citation:
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PMID: 20441359 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We have developed and tested two types of novel dielectric resonators for simultaneous recording of electron paramagnetic resonance (EPR) spectra from two to four samples. The resonator of the first type contains two holes, and the other resonator contains four holes for introduction of the samples. Also, the resonator structure includes a pair of gradient coils. Dielectric resonators made of materials with high dielectric constant with low losses can be inserted into the standard EPR cavity or waveguide in the maximum microwave magnetic field. Gradient coils are located outside the cavity (or waveguide) so that their axes are parallel to the static magnetic field. Computer simulations were made to obtain microwave characteristics of the resonators such as resonant frequency, sizes, and distribution of the fields. Spacing of the point samples and optimum value of the magnetic-field gradient have been chosen correctly. The designed resonators can be applied in express analysis using EPR technique, for instance. |
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Authors:
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Iryna S Golovina; Sergiy P Kolesnik; Ilia N Geifman; Anatoliy G Belous |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 81 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-05 Completed Date: 2010-07-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 044702 Citation Subset: - |
Affiliation:
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Institute of Semiconductor Physics of NAS of Ukraine, pr. Nauki 41, Kiev 03028, Ukraine. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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