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|a pubmed25n0381.xml
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|a (DE-627)NLM114114560
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|a (NLM)11512762
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Bugaev, L A
|e verfasserin
|4 aut
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|a The temperature dependence for the third shell's Fourier-peak of Nb-EXAFS in KNbO3 as additional source of information on the local atomic structure
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|c 2001
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 06.09.2001
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|a Date Revised 05.06.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The information on the structure of tetragonal KNbO3 is extracted from the temperature dependence of the third shell's Fourier-peak of Nb-EXAFS. It is shown that this dependence can be explained by two effects: 1) rigid rotations of the O6-octahedron and 2) increase of the third shell's DW-parameter. However, diffraction data on the temperature dependence of the DW-parameter permit us to conclude that the last effect only is sufficient and the O6-octahedron rotation doesn't occur in the high-temperature phases of KNbO3. Using EXAFS it is revealed that in the neighboring cells Nb-atoms are parallel shifted closely to [211] direction in tetragonal phase
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|a Journal Article
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|a Shuvaeva, V A
|e verfasserin
|4 aut
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|a Zhuchkov, K N
|e verfasserin
|4 aut
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|a Rusakova, E B
|e verfasserin
|4 aut
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|a Vedrinskii, R V
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1999
|g 8(2001), Pt 2 vom: 01. März, Seite 308-10
|w (DE-627)NLM09824129X
|x 0909-0495
|7 nnns
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|g volume:8
|g year:2001
|g number:Pt 2
|g day:01
|g month:03
|g pages:308-10
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|a SYSFLAG_A
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|a GBV_ILN_40
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|a GBV_ILN_350
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|a GBV_ILN_2005
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|a AR
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|d 8
|j 2001
|e Pt 2
|b 01
|c 03
|h 308-10
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