Spin dynamics in antiferromagnetic oxypnictides and fluoropnictides: LaMnAsO, LaMnSbO, and BaMnAsF

Spin dynamics in antiferromagnetic oxypnictides and fluoropnictides: LaMnAsO, LaMnSbO, and BaMnAsF

Inelastic neutron scattering (INS) from polycrystalline antiferromagnetic LaMnAsO, LaMnSbO, and BaMnAsF are analyzed using a J1−J2−Jc Heisenberg model in the framework of the linear spin-wave theory. All three systems show clear evidence that the nearest- and next-nearest-neighbor interactions withi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Physical review. B 2020-04, Vol.101 (15), p.1, Article 155119
Hauptverfasser: Islam, Farhan, Gordon, Elijah, Das, Pinaki, Liu, Yong, Ke, Liqin, Abernathy, Douglas L., McQueeney, Robert J., Vaknin, David
Format: Artikel
Sprache:eng
Schlagworte:
Antiferromagnetism
Antimony
Coupling
Density functional theory
Exchanging
Heisenberg theory
Inelastic scattering
Magnetic properties
Neutron scattering
Spin dynamics
Statistical models
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Inelastic neutron scattering (INS) from polycrystalline antiferromagnetic LaMnAsO, LaMnSbO, and BaMnAsF are analyzed using a J1−J2−Jc Heisenberg model in the framework of the linear spin-wave theory. All three systems show clear evidence that the nearest- and next-nearest-neighbor interactions within the Mn square lattice layer (J1 and J2) are both antiferromagnetic (AFM). However, for all compounds studied the competing interactions have a ratio of 2J2/J1
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.101.155119