Tuning terahertz magnons in a mixed van der Waals antiferromagnet

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F24%3A10487734" target="_blank" >RIV/00216208:11320/24:10487734 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=bcpqn98ppj" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=bcpqn98ppj</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.110.174414" target="_blank" >10.1103/PhysRevB.110.174414</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tuning terahertz magnons in a mixed van der Waals antiferromagnet

Popis výsledku v původním jazyce

lloying stands out as a pivotal technological method employed across various compounds, be they metallic,magnetic, or semiconducting, serving to fine-tune their properties to meet specific requirements. Ternary semi-conductors represent a prominent example of such alloys. They offer fine-tuning of electronic bands, the bandgap in particular, thus granting the technology of semiconductor heterostructures devices, key elements in currentelectronics and optoelectronics. In the realm of magnetically ordered systems, akin to electronic bands in solids,spin waves exhibit characteristic dispersion relations, featuring sizable magnon gaps in many antiferromagnets.The engineering of the magnon gap constitutes a relevant direction in current research on antiferromagnets,aiming to leverage their distinct properties for terahertz technologies, spintronics, or magnonics. In this study,we showcase the tunability of the magnon gap across the terahertz spectral range within an alloy comprisingrepresentative semiconducting van der Waals antiferromagnets FePS(3) and NiPS(3). These constituents shareidentical in-plane crystal structures, magnetic unit cells, and the direction of the magnetic anisotropy, but differ inthe amplitude and sign of the latter. Altogether these attributes result in the wide tunability of the magnon gap inthe Fe(1-x)Ni(x)PS(3) alloy in which the magnetic order is imposed by the stronger, perpendicular anisotropy of iron.

Název v anglickém jazyce

Tuning terahertz magnons in a mixed van der Waals antiferromagnet

Popis výsledku anglicky

lloying stands out as a pivotal technological method employed across various compounds, be they metallic,magnetic, or semiconducting, serving to fine-tune their properties to meet specific requirements. Ternary semi-conductors represent a prominent example of such alloys. They offer fine-tuning of electronic bands, the bandgap in particular, thus granting the technology of semiconductor heterostructures devices, key elements in currentelectronics and optoelectronics. In the realm of magnetically ordered systems, akin to electronic bands in solids,spin waves exhibit characteristic dispersion relations, featuring sizable magnon gaps in many antiferromagnets.The engineering of the magnon gap constitutes a relevant direction in current research on antiferromagnets,aiming to leverage their distinct properties for terahertz technologies, spintronics, or magnonics. In this study,we showcase the tunability of the magnon gap across the terahertz spectral range within an alloy comprisingrepresentative semiconducting van der Waals antiferromagnets FePS(3) and NiPS(3). These constituents shareidentical in-plane crystal structures, magnetic unit cells, and the direction of the magnetic anisotropy, but differ inthe amplitude and sign of the latter. Altogether these attributes result in the wide tunability of the magnon gap inthe Fe(1-x)Ni(x)PS(3) alloy in which the magnetic order is imposed by the stronger, perpendicular anisotropy of iron.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

<a href="/cs/project/GA22-21974S" target="_blank" >GA22-21974S: Kterak nahradit spin-orbitální interakci nekolineárním uspořádáním magnetických momentů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

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

110

Číslo periodika v rámci svazku

17

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

6

Strana od-do

174414

Kód UT WoS článku

001355881600002

EID výsledku v databázi Scopus

2-s2.0-85209720847