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|a (NLM)29503983
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|e rakwb
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|a eng
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|a Yoda, Yoshitaka
|e verfasserin
|4 aut
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|a High-resolution monochromator for iron nuclear resonance vibrational spectroscopy of biological samples
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
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|2 rdamedia
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A new high-resolution monochromator for 14.4-keV X-rays has been designed and developed for the Fe nuclear resonance vibrational spectroscopy of biological samples. Higher flux and stability are especially important for measuring biological samples, because of the very weak signals produced due to the low concentrations of Fe-57. A 24% increase in flux while maintaining a high resolution below 0.9 meV is achieved in the calculation by adopting an asymmetric reflection of Ge, which is used as the first crystal of the three-bounce high-resolution monochromator. The small cost resulting from a 20% increase of the exit beam size is acceptable to our biological applications. The higher throughput of the new design has been experimentally verified. A fine rotation mechanics that that combines a weak-link hinge with a piezoelectric actuator was used for controlling the photon energy of the monochromatic beam. The resulting stability is sufficient to preserve the intrinsic resolution
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|a Journal Article
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|a Okada, Kyoko
|e verfasserin
|4 aut
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|a Wang, Hongxin
|e verfasserin
|4 aut
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|a Cramer, Stephen P
|e verfasserin
|4 aut
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|a Seto, Makoto
|e verfasserin
|4 aut
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|i Enthalten in
|t Japanese journal of applied physics. Part 1, Regular papers & short notes
|d 1998
|g 55(2016), 12 vom: 14. Dez.
|w (DE-627)NLM098232851
|7 nnns
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| 773 |
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|g volume:55
|g year:2016
|g number:12
|g day:14
|g month:12
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|a AR
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|d 55
|j 2016
|e 12
|b 14
|c 12
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