[G] Magnetic Materials

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[142] Strain-induced control of interlayer exchange coupling in Co/Ru/Co

○Chenyu Shen¹, Yoshihiro Gohda¹ (1. Institute of Science Tokyo)

Keywords:

Interlayer exchange coupling,Strain control,First-principles calculations,Fermi surface,Topological band touching

First-principles calculations clarify strain-controlled interlayer exchange coupling in Co/Ru/Co. We quantify the strain response of the bulk-Ru Fermi-surface spanning vector and identify migration of a symmetry-protected band touching as the dominant mechanism.