Mechanical and magnetic properties of Mn-Pt compounds and nanocomposites

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F12%3A00378930" target="_blank" >RIV/68081723:_____/12:00378930 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Mechanical and magnetic properties of Mn-Pt compounds and nanocomposites

Popis výsledku v původním jazyce

An analysis of mechanical and magnetic properties of Mn-Pt compounds and nanocomposites is provided using DFT calculations. Adding manganese to platinum matrix reduces the bulk modulus and enhances the Young moduli and shear moduli. With increasing Mn content, the theoretical tensile strength is also enhanced and the corresponding maximum deformation is reduced. On the whole, manganese addition makes the Mn-Pt compounds softer, but increases their resistance to shape deformation. Many of these compoundsmay be considered as natural linear nanocomposites. We studied the magnetic configurations of recently found MnPt7 ordered structure and predict an antiferromagnetic state with spins altering along the [100] direction to be the ground state of this compound. The ferromagnetic state and an alternative antiferromagnetic state with spins altering along the [111] direction have a higher total energy. We further studied Mn-Pt nanocomposites exhibiting the composition of MnPt15. The preferent

Název v anglickém jazyce

Mechanical and magnetic properties of Mn-Pt compounds and nanocomposites

Popis výsledku anglicky

An analysis of mechanical and magnetic properties of Mn-Pt compounds and nanocomposites is provided using DFT calculations. Adding manganese to platinum matrix reduces the bulk modulus and enhances the Young moduli and shear moduli. With increasing Mn content, the theoretical tensile strength is also enhanced and the corresponding maximum deformation is reduced. On the whole, manganese addition makes the Mn-Pt compounds softer, but increases their resistance to shape deformation. Many of these compoundsmay be considered as natural linear nanocomposites. We studied the magnetic configurations of recently found MnPt7 ordered structure and predict an antiferromagnetic state with spins altering along the [100] direction to be the ground state of this compound. The ferromagnetic state and an alternative antiferromagnetic state with spins altering along the [111] direction have a higher total energy. We further studied Mn-Pt nanocomposites exhibiting the composition of MnPt15. The preferent

Druh

D - Stať ve sborníku

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

—

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

ECCM15 - 15TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS

ISBN

978-88-88785-33-2

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

1455-1-1455-4

Název nakladatele

University of Padova

Místo vydání

Padova

Místo konání akce

Venice

Datum konání akce

24. 6. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—