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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1107/S1600577517015387
|2 doi
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|a pubmed25n0931.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Oreshko, Alexey P
|e verfasserin
|4 aut
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| 245 |
1 |
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|a X-ray natural circular dichroism in langasite crystal
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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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 Optical activity in the X-ray range stems from the electric-dipole-electric-quadrupole interference terms mixing multipoles of opposite parity, and can be observed exclusively in systems with broken inversion symmetry. The gyration tensor formalism is used to describe the X-ray optical activity in langasite La3Ga5SiO14 crystal with the P321 space group. An experimental study of the X-ray natural circular dichroism (XNCD) near the Ga K-edge in La3Ga5SiO14 single crystal was performed at ESRF beamline ID12, both along and perpendicular to the crystal optical axis. The combination of the quantum mechanical calculations and high-quality experimental results has allowed us to separate the contributions into X-ray absorption and XNCD spectra of Ga atoms occupying three distinct Wyckoff positions
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|a Journal Article
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|a X-ray absorption spectra
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|a circular dichroism
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| 650 |
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4 |
|a optical activity
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| 700 |
1 |
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|a Ovchinnikova, Elena N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rogalev, Andrei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilhelm, Fabrice
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mill, Boris V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dmitrienko, Vladimir E
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 25(2018), Pt 1 vom: 01. Jan., Seite 222-231
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
1 |
8 |
|g volume:25
|g year:2018
|g number:Pt 1
|g day:01
|g month:01
|g pages:222-231
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| 856 |
4 |
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|u http://dx.doi.org/10.1107/S1600577517015387
|3 Volltext
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|d 25
|j 2018
|e Pt 1
|b 01
|c 01
|h 222-231
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