Determination of the Néel vector in rutile altermagnets through
x-ray magnetic circular dichroism: The case of MnF2

J 2024

Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2

HARIKI, A.; T. OKAUCHI; Y. TAKAHASHI a Jan KUNEŠ

Základní údaje

Originální název

Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2

Autoři

HARIKI, A.; T. OKAUCHI; Y. TAKAHASHI a Jan KUNEŠ

Vydání

Physical Review B, College PK, American Physical Society, 2024, 2469-9950

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10302 Condensed matter physics

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 3.700

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/24:00138937

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Magneto-optical effect; Altermagnets; Crystal-field theory; X-ray magnetic circular dichroism

Štítky

14312020, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 27. 2. 2025 13:48, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

We present a numerical simulation of x-ray magnetic circular dichroism (XMCD) at the L2,3 edge of Mn in a representative rutile altermagnet MnF2 using a combination of density functional theory plus exact diagonalization of the atomic model. We explore how the dichroic spectra vary with the orientation of the light propagation vector and the N & eacute;el vector. An exact relationship between the XMCD spectra for different orientations of the N & eacute;el vector, valid in the absence of the valence spin-orbit coupling and core-valence multipole interaction, is derived and its approximate validity for the full Hamiltonian verified by numerical calculation. This relationship allows one to determine the in-plane orientation of the N & eacute;el vector using the XMCD spectra alone.

Návaznosti

EH22_008/0004572, projekt VaV

Název: Kvantové materiály pro aplikace v udržitelných technologiích

90254, velká výzkumná infrastruktura

Název: e-INFRA CZ II

Citovat

HARIKI, A.; T. OKAUCHI; Y. TAKAHASHI a Jan KUNEŠ. Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2. Physical Review B. College PK: American Physical Society, 2024, roč. 110, č. 10, s. 1-6. ISSN 2469-9950. Dostupné z: https://doi.org/10.1103/PhysRevB.110.L100402.

@article{2480338,
   author = {Hariki, A. and Okauchi, T. and Takahashi, Y. and Kuneš, Jan},
   article_location = {College PK},
   article_number = {10},
   doi = {https://doi.org/10.1103/PhysRevB.110.L100402},
   keywords = {Magneto-optical effect; Altermagnets; Crystal-field theory; X-ray magnetic circular dichroism},
   language = {eng},
   issn = {2469-9950},
   journal = {Physical Review B},
   title = {Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2},
   url = {https://journals.aps.org/prb/abstract/10.1103/PhysRevB.110.L100402},
   volume = {110},
   year = {2024}
}

TY  - JOUR
ID  - 2480338
AU  - Hariki, A. - Okauchi, T. - Takahashi, Y. - Kuneš, Jan
PY  - 2024
TI  - Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2
JF  - Physical Review B
VL  - 110
IS  - 10
SP  - 1-6
EP  - 1-6
PB  - American Physical Society
SN  - 24699950
KW  - Magneto-optical effect
KW  - Altermagnets
KW  - Crystal-field theory
KW  - X-ray magnetic circular dichroism
UR  - https://journals.aps.org/prb/abstract/10.1103/PhysRevB.110.L100402
N2  - We present a numerical simulation of x-ray magnetic circular dichroism (XMCD) at the L2,3 edge of Mn in a representative rutile altermagnet MnF2 using a combination of density functional theory plus exact diagonalization of the atomic model. We explore how the dichroic spectra vary with the orientation of the light propagation vector and the N & eacute;el vector. An exact relationship between the XMCD spectra for different orientations of the N & eacute;el vector, valid in the absence of the valence spin-orbit coupling and core-valence multipole interaction, is derived and its approximate validity for the full Hamiltonian verified by numerical calculation. This relationship allows one to determine the in-plane orientation of the N & eacute;el vector using the XMCD spectra alone.
ER  -

HARIKI, A.; T. OKAUCHI; Y. TAKAHASHI a Jan KUNEŠ. Determination of the Néel vector in rutile altermagnets through x-ray magnetic circular dichroism: The case of MnF2. \textit{Physical Review B}. College PK: American Physical Society, 2024, roč.~110, č.~10, s.~1-6. ISSN~2469-9950. Dostupné z: https://doi.org/10.1103/PhysRevB.110.L100402.

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