About: Strength and magnetism of Mn-Pt nanocomposites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Strength and magnetism of Mn-Pt nanocomposites Strength and magnetism of Mn-Pt nanocomposites (en)
skos:prefLabel	Strength and magnetism of Mn-Pt nanocomposites Strength and magnetism of Mn-Pt nanocomposites (en)
skos:notation	RIV/68081723:_____/12:00379022!RIV13-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/0311), P(IAA100100920), P(OC10008)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Káňa, Tomáš Šob, Mojmír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	171667
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/12:00379022
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocomposites; ab initio; mechanical properties; magnetism (en)
http://linked.open.../riv/klicoveSlovo	ab initio mechanical properties nanocomposites magnetism
http://linked.open...ontrolniKodProRIV	[E9BDF93AA20F]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	XII. Pracovní setkání fyzikálních chemiků a elektrochemiků
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Strength, embrittlement and magnetism of clean and impurity-segregated grain boundaries in metallic materials Theoretical and experimental study of interfaces and martensitic phase transformations Strength and magnetism of nanocomposites
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Káňa, Tomáš Šob, Mojmír
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2012-05-30 (xsd:date)
number of pages	3 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Mendelova zemědělská a lesnická univerzita v Brně
https://schema.org/isbn	978-80-7375-618-5
is http://linked.open...avai/riv/vysledek of	Strength and magnetism of Mn-Pt nanocomposites

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