Role of spin-orbit coupling in canted ferromagnetism and spin-wave dynamics of SrRuO3

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00559414" target="_blank" >RIV/68378271:_____/22:00559414 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1103/PhysRevB.105.245107" target="_blank" >https://doi.org/10.1103/PhysRevB.105.245107</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.105.245107" target="_blank" >10.1103/PhysRevB.105.245107</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Role of spin-orbit coupling in canted ferromagnetism and spin-wave dynamics of SrRuO3

Popis výsledku v původním jazyce

A canted FM arrangement with a long-range ordered AFM component is predicted for the metallic SrRuO3 orthoperovskite based on LDA electronic structure calculation including on-site Coulomb repulsion U and SOC. The electronic state of Ru4+ ions and nature of non-zero orbital momentum are analyzed in detail. A good agreement with the experimental data as concerns the DOS at Fermi level, the value of magnetic moment, and the easy axis along a-axis in Pbnm setting, are achieved for U = 1 eV. The calculated parameters of magnetic exchange including the anisotropic and antisymmetric terms are used for determination of magnon spectra. It is shown that notable anisotropic exchange in SrRuO3 is responsible for gap of 1.7 meV at the Γ point of the magnon spectra, found previously by inelastic neutron diffraction. Origin of the spin canting that is confined within the ab-plane follows from the presence of Dzyaloshinskii-Moriya interaction associated with the antisymmetric exchange.

Název v anglickém jazyce

Role of spin-orbit coupling in canted ferromagnetism and spin-wave dynamics of SrRuO3

Popis výsledku anglicky

A canted FM arrangement with a long-range ordered AFM component is predicted for the metallic SrRuO3 orthoperovskite based on LDA electronic structure calculation including on-site Coulomb repulsion U and SOC. The electronic state of Ru4+ ions and nature of non-zero orbital momentum are analyzed in detail. A good agreement with the experimental data as concerns the DOS at Fermi level, the value of magnetic moment, and the easy axis along a-axis in Pbnm setting, are achieved for U = 1 eV. The calculated parameters of magnetic exchange including the anisotropic and antisymmetric terms are used for determination of magnon spectra. It is shown that notable anisotropic exchange in SrRuO3 is responsible for gap of 1.7 meV at the Γ point of the magnon spectra, found previously by inelastic neutron diffraction. Origin of the spin canting that is confined within the ab-plane follows from the presence of Dzyaloshinskii-Moriya interaction associated with the antisymmetric exchange.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/GA19-06433S" target="_blank" >GA19-06433S: Spinový Seebeckův jev v magnetických nanokompositech na bázi obalených částic</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

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

Název periodika

Physical Review B

ISSN

2469-9950

e-ISSN

2469-9969

Svazek periodika

105

Číslo periodika v rámci svazku

24

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

245107

Kód UT WoS článku

000823809800003

EID výsledku v databázi Scopus

2-s2.0-85132327620