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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F13%3A33145235%21RIV14-GA0-15310___
rdf:type
skos:Concept n12:Vysledek
rdfs:seeAlso
http://pubs.acs.org/doi/pdf/10.1021/ic4008729
dcterms:description
A new class of organometallic-inorganic magnetic material was engineered by a sonochemically assisted self-assembly process between magnetite nanoparticles (biogenic Fe3O4, hard constituent) functionalized with isonicotinic acid and a metamagnetic organometallic complex [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O, soft constituent). In such bottom-up methodology, hard and soft counterparts form well-organized microdimensional dusters that showed morphological fingerprints and magnetic behavior clearly distinct from those of the initial building units. In the engineered soft-hard material, the magnetite nanocrystals induced ferromagnetic ordering at room temperature of closer contact layers of [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O, thus demonstrating the ability to sensibly modify the [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O paramagnetic regime. The magnetic ordering of [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O was triggered by the intrinsic local field of the hard magnetic nanocrystals, which resembled, to some extent, the effects promoted by large, external magnetic fields. A new class of organometallic-inorganic magnetic material was engineered by a sonochemically assisted self-assembly process between magnetite nanoparticles (biogenic Fe3O4, hard constituent) functionalized with isonicotinic acid and a metamagnetic organometallic complex [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O, soft constituent). In such bottom-up methodology, hard and soft counterparts form well-organized microdimensional dusters that showed morphological fingerprints and magnetic behavior clearly distinct from those of the initial building units. In the engineered soft-hard material, the magnetite nanocrystals induced ferromagnetic ordering at room temperature of closer contact layers of [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O, thus demonstrating the ability to sensibly modify the [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O paramagnetic regime. The magnetic ordering of [Ni(en)(2)](3)[Fe(CN)(6)](2)center dot 3H(2)O was triggered by the intrinsic local field of the hard magnetic nanocrystals, which resembled, to some extent, the effects promoted by large, external magnetic fields.
dcterms:title
Fe3O4 Nanocrystals Tune the Magnetic Regime of the Fe/Ni Molecular Magnet: A New Class of Magnetic Superstructures Fe3O4 Nanocrystals Tune the Magnetic Regime of the Fe/Ni Molecular Magnet: A New Class of Magnetic Superstructures
skos:prefLabel
Fe3O4 Nanocrystals Tune the Magnetic Regime of the Fe/Ni Molecular Magnet: A New Class of Magnetic Superstructures Fe3O4 Nanocrystals Tune the Magnetic Regime of the Fe/Ni Molecular Magnet: A New Class of Magnetic Superstructures
skos:notation
RIV/61989592:15310/13:33145235!RIV14-GA0-15310___
n12:predkladatel
n13:orjk%3A15310
n3:aktivita
n14:P
n3:aktivity
P(ED2.1.00/03.0058), P(EE2.3.20.0017), P(GAP207/11/0841), P(GBP208/12/G016)
n3:cisloPeriodika
14
n3:dodaniDat
n16:2014
n3:domaciTvurceVysledku
n10:7008686 n10:6407226 n10:9251189 Zoppellaro, Giorgio n10:7321023
n3:druhVysledku
n11:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
74915
n3:idVysledku
RIV/61989592:15310/13:33145235
n3:jazykVysledku
n19:eng
n3:klicovaSlova
MRI; cells; complexes; relaxation; functionalization; anisotropy; transition; core; exchange BIAS; iron-oxide nanoparticles
n3:klicoveSlovo
n4:anisotropy n4:cells n4:exchange%20BIAS n4:functionalization n4:transition n4:complexes n4:iron-oxide%20nanoparticles n4:core n4:MRI n4:relaxation
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[23BF1C5ACA07]
n3:nazevZdroje
Inorganic Chemistry
n3:obor
n18:CF
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n15:EE2.3.20.0017 n15:GBP208%2F12%2FG016 n15:GAP207%2F11%2F0841 n15:ED2.1.00%2F03.0058
n3:rokUplatneniVysledku
n16:2013
n3:svazekPeriodika
52
n3:tvurceVysledku
Šafářová, Klára Zbořil, Radek Zoppellaro, Giorgio Herchel, Radovan Tuček, Jiří
n3:wos
000322087100038
s:issn
0020-1669
s:numberOfPages
7
n21:doi
10.1021/ic4008729
n5:organizacniJednotka
15310