Spin-waves in the collinear antiferromagnetic phase of Mn$_\bf{5}$Si$_\bf{3}$

التفاصيل البيبلوغرافية
العنوان: Spin-waves in the collinear antiferromagnetic phase of Mn$_\bf{5}$Si$_\bf{3}$
المؤلفون: Santos, F. J. dos, Biniskos, N., Raymond, S., Schmalzl, K., Dias, M. dos Santos, Steffens, P., Persson, J., Blügel, S., Lounis, S., Brückel, T.
المصدر: Phys. Rev. B 103, 024407 (2021)
سنة النشر: 2020
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science
الوصف: By combining two independent approaches, inelastic neutron scattering measurements and density functional theory calculations, we study the spin-waves in the high-temperature collinear antiferromagnetic phase (AFM2) of Mn$_5$Si$_3$. We obtain its magnetic ground-state properties and electronic structure. This study allowed us to determine the dominant magnetic exchange interactions and magnetocrystalline anisotropy in the AFM2 phase of Mn$_5$Si$_3$. Moreover, the evolution of the spin excitation spectrum is investigated under the influence of an external magnetic field perpendicular to the anisotropy easy-axis. The low energy magnon modes show a different magnetic field dependence which is a direct consequence of their different precessional nature. Finally, possible effects related to the Dzyaloshinskii-Moriya interaction are also considered.
Comment: 10 pages, 8 figures
نوع الوثيقة: Working Paper
DOI: 10.1103/PhysRevB.103.024407
URL الوصول: http://arxiv.org/abs/2011.05455
رقم الانضمام: edsarx.2011.05455
قاعدة البيانات: arXiv
الوصف
DOI:10.1103/PhysRevB.103.024407