Effect of chemical order on the magnetic and electronic properties of epitaxial off-stoichiometry Fex Si1MINUS SIGN x thin films

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23640%2F15%3A43927487" target="_blank" >RIV/49777513:23640/15:43927487 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1103/PhysRevB.91.144402" target="_blank" >http://dx.doi.org/10.1103/PhysRevB.91.144402</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.91.144402" target="_blank" >10.1103/PhysRevB.91.144402</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of chemical order on the magnetic and electronic properties of epitaxial off-stoichiometry Fex Si1MINUS SIGN x thin films

Popis výsledku v původním jazyce

Off-stoichiometry, epitaxial Fex Si1MINUS SIGN x thin films (0.5 < x < 1.0) exhibit D03 or B2 chemical order, evennfar from stoichiometry. Theoretical calculations show the magnetic moment is strongly enhanced in the fullynchemically disordered A2 phase,while both theoretical and experimental results show that the magnetization isnnearly the same in the B2 and D03 phases, meaning partial chemical disorder does not influence the magnetism.nThe dependencies of the magnetic moments are directly and nonlinearly linked to the number of Si atoms,nprimarily nearest neighbor but also to a lesser extent (up to 10%) next nearest neighbor, surrounding Fe,nexplaining the similarities between B2 and D03 and the strong enhancement for the A2 structure. The calculatednelectronic density of states shows many similarities in both structure and spin polarization between the D0 3 andnB2 structures, while the A2 structure exhibits disorder broadening and a reduced spin polarization.

Název v anglickém jazyce

Effect of chemical order on the magnetic and electronic properties of epitaxial off-stoichiometry Fex Si1MINUS SIGN x thin films

Popis výsledku anglicky

Off-stoichiometry, epitaxial Fex Si1MINUS SIGN x thin films (0.5 < x < 1.0) exhibit D03 or B2 chemical order, evennfar from stoichiometry. Theoretical calculations show the magnetic moment is strongly enhanced in the fullynchemically disordered A2 phase,while both theoretical and experimental results show that the magnetization isnnearly the same in the B2 and D03 phases, meaning partial chemical disorder does not influence the magnetism.nThe dependencies of the magnetic moments are directly and nonlinearly linked to the number of Si atoms,nprimarily nearest neighbor but also to a lesser extent (up to 10%) next nearest neighbor, surrounding Fe,nexplaining the similarities between B2 and D03 and the strong enhancement for the A2 structure. The calculatednelectronic density of states shows many similarities in both structure and spin polarization between the D0 3 andnB2 structures, while the A2 structure exhibits disorder broadening and a reduced spin polarization.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

Physical Review B

ISSN

1098-0121

e-ISSN

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Svazek periodika

91

Číslo periodika v rámci svazku

14

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

9

Strana od-do

"1444024-1"-"1444024-9"

Kód UT WoS článku

000352188500005

EID výsledku v databázi Scopus

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