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Statements

Subject Item
n2:RIV%2F70883521%3A28610%2F13%3A43869822%21RIV14-GA0-28610___
rdf:type
n5:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0304885312010190
dcterms:description
A hybrid composite containing 73 vol% of MnZn ferrite, 21 vol% of polyaniline, and 6 vol% of silver is obtained by oxidative polymerization of aniline with silver nitrate in the presence of ferrite powder. The hybrid composite contains ferrite particles with a size of 40-80 μm coated by an inhomogeneous layer of polyaniline in the conducting emeraldine form. Silver in the form of nano- and submicrometre -size particles is localized both on the surface of ferrite particles and in the bulk of polyaniline coating. The electrical and magnetic properties of the hybrid composite are investigated and compared with the properties of a composite with 71 vol% of MnZn ferrite coated by a conducting polyaniline layer (29 vol%). The hybrid composite containing silver exhibits an increase in the real and imaginary parts of the complex permeability in the radio-frequency band by more than one and a half times compared with those of the MnZn ferrite-polyaniline composite. The high-frequency permittivity of both composites is determined by the properties of core-shell structure: electric properties of shell as well as its composition and uniformity. A hybrid composite containing 73 vol% of MnZn ferrite, 21 vol% of polyaniline, and 6 vol% of silver is obtained by oxidative polymerization of aniline with silver nitrate in the presence of ferrite powder. The hybrid composite contains ferrite particles with a size of 40-80 μm coated by an inhomogeneous layer of polyaniline in the conducting emeraldine form. Silver in the form of nano- and submicrometre -size particles is localized both on the surface of ferrite particles and in the bulk of polyaniline coating. The electrical and magnetic properties of the hybrid composite are investigated and compared with the properties of a composite with 71 vol% of MnZn ferrite coated by a conducting polyaniline layer (29 vol%). The hybrid composite containing silver exhibits an increase in the real and imaginary parts of the complex permeability in the radio-frequency band by more than one and a half times compared with those of the MnZn ferrite-polyaniline composite. The high-frequency permittivity of both composites is determined by the properties of core-shell structure: electric properties of shell as well as its composition and uniformity.
dcterms:title
Increasing the high-frequency magnetic permeability of MnZn ferrite in polyaniline composites by incorporating silver Increasing the high-frequency magnetic permeability of MnZn ferrite in polyaniline composites by incorporating silver
skos:prefLabel
Increasing the high-frequency magnetic permeability of MnZn ferrite in polyaniline composites by incorporating silver Increasing the high-frequency magnetic permeability of MnZn ferrite in polyaniline composites by incorporating silver
skos:notation
RIV/70883521:28610/13:43869822!RIV14-GA0-28610___
n5:predkladatel
n20:orjk%3A28610
n3:aktivita
n4:P n4:I n4:Z
n3:aktivity
I, P(ED2.1.00/03.0111), P(GA202/09/1626), Z(AV0Z40500505)
n3:cisloPeriodika
Neuveden
n3:dodaniDat
n14:2014
n3:domaciTvurceVysledku
n12:2224348 n12:7093780 n12:5474353 n12:9162151
n3:druhVysledku
n22:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
79503
n3:idVysledku
RIV/70883521:28610/13:43869822
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Complex dielectric permittivity||Complex magnetic permeability||Core-shell particle||Ferrite||Hybrid composite||Polyaniline||Silver
n3:klicoveSlovo
n13:Complex%20dielectric%20permittivity%7C%7CComplex%20magnetic%20permeability%7C%7CCore-shell%20particle%7C%7CFerrite%7C%7CHybrid%20composite%7C%7CPolyaniline%7C%7CSilver
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[1060CE3B8C34]
n3:nazevZdroje
Journal of Magnetism and Magnetic Materials
n3:obor
n11:BM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:projekt
n6:ED2.1.00%2F03.0111 n6:GA202%2F09%2F1626
n3:rokUplatneniVysledku
n14:2013
n3:svazekPeriodika
333
n3:tvurceVysledku
Sapurina, Irina Yu Sáha, Petr Stejskal, Jaroslav Moučka, Robert Kazantseva, Natalia Babayan, Vladimir Artur
n3:wos
000315296700006
n3:zamer
n10:AV0Z40500505
s:issn
0304-8853
s:numberOfPages
9
n19:doi
10.1016/j.jmmm.2012.12.045
n17:organizacniJednotka
28610