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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F11%3A33117902%21RIV12-MSM-15310___
rdf:type
n19:Vysledek skos:Concept
dcterms:description
Temperature dependence of nuclear magnetic resonance (NMR) spectra of 47Ti and 49Ti in polycrystalline ilmenite FeTiO3 was measured in the range from 5 to 300 K under an external magnetic ?eld of 9.401 T. NMR spectra collected between 300 and 77 K exhibit a resolved quadrupole splitting. The electric ?eld gradient (EFG) tensor was evaluated for Ti nuclei and the ratio of 47 Ti and 49 Ti nuclear quadrupole moments was re?ned during the ?tting procedure. Below 77 K, the ?ne structure of quadrupole splitting disappears due to the enormous increase of anisotropy. As a counterpart, ab initio calculations were performed using full potential augmented plane waves + local orbitals (APW + lo). The calculated EFG tensors for Ti and Fe were compared to the experimental ones evaluated from NMR and the M ssbauer spectroscopy experiments. Temperature dependence of nuclear magnetic resonance (NMR) spectra of 47Ti and 49Ti in polycrystalline ilmenite FeTiO3 was measured in the range from 5 to 300 K under an external magnetic ?eld of 9.401 T. NMR spectra collected between 300 and 77 K exhibit a resolved quadrupole splitting. The electric ?eld gradient (EFG) tensor was evaluated for Ti nuclei and the ratio of 47 Ti and 49 Ti nuclear quadrupole moments was re?ned during the ?tting procedure. Below 77 K, the ?ne structure of quadrupole splitting disappears due to the enormous increase of anisotropy. As a counterpart, ab initio calculations were performed using full potential augmented plane waves + local orbitals (APW + lo). The calculated EFG tensors for Ti and Fe were compared to the experimental ones evaluated from NMR and the M ssbauer spectroscopy experiments.
dcterms:title
Electric field gradient in FeTiO3 by nuclear magnetic resonance and ab initio calculations Electric field gradient in FeTiO3 by nuclear magnetic resonance and ab initio calculations
skos:prefLabel
Electric field gradient in FeTiO3 by nuclear magnetic resonance and ab initio calculations Electric field gradient in FeTiO3 by nuclear magnetic resonance and ab initio calculations
skos:notation
RIV/61989592:15310/11:33117902!RIV12-MSM-15310___
n19:predkladatel
n20:orjk%3A15310
n3:aktivita
n8:P n8:Z
n3:aktivity
P(1M0512), P(ED2.1.00/03.0058), P(KAN115600801), Z(MSM0021620834), Z(MSM6198959218)
n3:cisloPeriodika
20
n3:dodaniDat
n5:2012
n3:domaciTvurceVysledku
n4:9251189 n4:2330830 n4:7321023 n4:2176645 n4:5207193
n3:druhVysledku
n14:J
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
196987
n3:idVysledku
RIV/61989592:15310/11:33117902
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Antiferromagnetic FeTiO3; Solid-state NMR
n3:klicoveSlovo
n9:Antiferromagnetic%20FeTiO3 n9:Solid-state%20NMR
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[FF7818F16519]
n3:nazevZdroje
Journal of Physics - Condensed Matter
n3:obor
n11:BM
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
8
n3:projekt
n15:1M0512 n15:ED2.1.00%2F03.0058 n15:KAN115600801
n3:rokUplatneniVysledku
n5:2011
n3:svazekPeriodika
23
n3:tvurceVysledku
Kouřil, K. Zbořil, Radek Chlan, V. Filip, Jan Čuda, Jan Štěpánková, H. Tuček, Jiří Procházka, Vít
n3:wos
000290212300014
n3:zamer
n16:MSM0021620834 n16:MSM6198959218
s:issn
0953-8984
s:numberOfPages
5
n17:doi
10.1088/0953-8984/23/20/205503
n18:organizacniJednotka
15310