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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F11%3A00379023%21RIV13-GA0-68081723
rdf:type
skos:Concept n9:Vysledek
dcterms:description
Using ab initio electronic structure calculations, we have analysed Mn atoms dissolved in a platinum matrix, forming thus intermetallics MnPt3, MnPt7 and MnPt15 that can be considered as prototypes of natural Mn–Pt nanocomposites. On the whole, manganese addition makes the resulting Mn–Pt compound softer but increases its resistance to shape deformation. With increasing Mn content, both tensile and compressive theoretical strength is enhanced. In agreement with experiment, our calculations confirm the antiferromagnetic (AFM) ground state of the MnPt7 structure with spins directions altering along the [100] crystallographic direction (AFM [100]). In addition, we have proposed and studied three prototypes of linear MnPt15 nanocomposites consisting of Mn nanochains in the Pt matrix. Again, AFM [100] ordering was found in the ground state of MnPt15. Using ab initio electronic structure calculations, we have analysed Mn atoms dissolved in a platinum matrix, forming thus intermetallics MnPt3, MnPt7 and MnPt15 that can be considered as prototypes of natural Mn–Pt nanocomposites. On the whole, manganese addition makes the resulting Mn–Pt compound softer but increases its resistance to shape deformation. With increasing Mn content, both tensile and compressive theoretical strength is enhanced. In agreement with experiment, our calculations confirm the antiferromagnetic (AFM) ground state of the MnPt7 structure with spins directions altering along the [100] crystallographic direction (AFM [100]). In addition, we have proposed and studied three prototypes of linear MnPt15 nanocomposites consisting of Mn nanochains in the Pt matrix. Again, AFM [100] ordering was found in the ground state of MnPt15.
dcterms:title
Strength and Magnetism of Nanocomposites Formed by 3D-Metal Nanochains Embedded in a Non-Magnetic Matrix Strength and Magnetism of Nanocomposites Formed by 3D-Metal Nanochains Embedded in a Non-Magnetic Matrix
skos:prefLabel
Strength and Magnetism of Nanocomposites Formed by 3D-Metal Nanochains Embedded in a Non-Magnetic Matrix Strength and Magnetism of Nanocomposites Formed by 3D-Metal Nanochains Embedded in a Non-Magnetic Matrix
skos:notation
RIV/68081723:_____/11:00379023!RIV13-GA0-68081723
n9:predkladatel
n10:ico%3A68081723
n3:aktivita
n19:P n19:I n19:Z
n3:aktivity
I, P(ED1.1.00/02.0068), P(GA202/09/1786), P(GD106/09/H035), P(IAA100100920), P(OC10008), Z(AV0Z20410507), Z(MSM0021622410)
n3:cisloPeriodika
Suppl. 1
n3:dodaniDat
n5:2013
n3:domaciTvurceVysledku
n12:3269035 n12:6805078
n3:druhVysledku
n18:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
232591
n3:idVysledku
RIV/68081723:_____/11:00379023
n3:jazykVysledku
n16:eng
n3:klicovaSlova
nanocomposites; ab initio; mechanical properties; magnetism
n3:klicoveSlovo
n13:ab%20initio n13:nanocomposites n13:mechanical%20properties n13:magnetism
n3:kodStatuVydavatele
CN - Čínská lidová republika
n3:kontrolniKodProRIV
[C23E99868829]
n3:nazevZdroje
World Journal of Engineering
n3:obor
n17:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n11:OC10008 n11:IAA100100920 n11:GD106%2F09%2FH035 n11:ED1.1.00%2F02.0068 n11:GA202%2F09%2F1786
n3:rokUplatneniVysledku
n5:2011
n3:svazekPeriodika
8
n3:tvurceVysledku
Káňa, Tomáš Šob, Mojmír
n3:zamer
n14:MSM0021622410 n14:AV0Z20410507
s:issn
1708-5284
s:numberOfPages
2