About: Analysis of cationic impurity impact on hyperfine interactions in magnetite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The Al, Ga, Ti and Zn impurities were studied in high quality single crystal samples of magnetite (Fe3O4. The cases when the valence of the substitution ion differs from that of the original iron ion are of a particular interest. The measurement of nuclear magnetic resonance (NMR) of 57Fe was chosen as the experimental method for its sensitivity to Fe magnetic and electronic structure and to local ordering in the neighborhood of resonating nuclei. Local electronic structure and hence also the hyperfine interactions are affected by the presence of the substitution and thus resonance frequencies of nuclei in the vicinity of the substitution are shifted due to the modified hyperfine field, therefore satellite signals are observed in the NMR spectra. Temperature dependences of spectra above the Verwey transition were measured in a zero external magnetic field. The Al, Ga, Ti and Zn impurities were studied in high quality single crystal samples of magnetite (Fe3O4. The cases when the valence of the substitution ion differs from that of the original iron ion are of a particular interest. The measurement of nuclear magnetic resonance (NMR) of 57Fe was chosen as the experimental method for its sensitivity to Fe magnetic and electronic structure and to local ordering in the neighborhood of resonating nuclei. Local electronic structure and hence also the hyperfine interactions are affected by the presence of the substitution and thus resonance frequencies of nuclei in the vicinity of the substitution are shifted due to the modified hyperfine field, therefore satellite signals are observed in the NMR spectra. Temperature dependences of spectra above the Verwey transition were measured in a zero external magnetic field. (en)
Title	Analysis of cationic impurity impact on hyperfine interactions in magnetite Analysis of cationic impurity impact on hyperfine interactions in magnetite (en)
skos:prefLabel	Analysis of cationic impurity impact on hyperfine interactions in magnetite Analysis of cationic impurity impact on hyperfine interactions in magnetite (en)
skos:notation	RIV/68378271:_____/12:00395794!RIV14-AV0-68378271
http://linked.open...avai/riv/aktivita	I S
http://linked.open...avai/riv/aktivity	I, S
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Novák, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	122089
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00395794
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	iron compounds; magnetic materials; magnetite; nuclear magnetic resonance (en)
http://linked.open.../riv/klicoveSlovo	magnetic materials iron compounds magnetite nuclear magnetic resonance
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[4698309065C6]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Magnetics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Chlan, V. Novák, Pavel Řezníček, R. Štěpánková, H. Kozlowski, A.
http://linked.open...ain/vavai/riv/wos	000310194400079
issn	0018-9464
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/TMAG.2012.2204967

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