NMR and NQR studies on transition-metal arsenide superconductors LaRu2As2, KCa2Fe4As4F2, and A2Cr3As3

NMR and NQR studies on transition-metal arsenide superconductors LaRu₂As₂, KCa₂Fe₄As₄F₂, and A₂Cr₃As₃

Luo Jun^{1, ‡}, Wang Chunguang^{1, 2}, Wang Zhicheng³, Guo Qi¹, Yang Ji¹, Zhou Rui^{1, 4}, Matano K⁵, Oguchi T⁶, Ren Zhian^{1, 2}, Cao Guanghan³, Zheng Guo-Qing^{1, 2, 5, §}

EFG principle axes (V_ZZ) for K₂Cr₃As₃, which are shown by the blue and red sticks for As1 site and As2 site, respectively.