Quasi-2D spin-Peierls state
Interlayer interstitial anionic electrons form quasi-2D triangular arrays, inducing unprecedented spin-Peierls instability under pressure.
Ding, Chi · Lu, Qing · Guo, Zhaopeng · Huang, Tianheng · Wang, Junjie · Han, Yu · Xing, Dingyu · Sun, Jian
Science Bulletin 2024
Predicted R3¯m K(NH₃)₂ as an electride with interstitial anionic electrons
IAEs arranged in quasi-2D triangular arrays
Ground state is dimerized P2₁/m phase with zigzag-type antiferromagnetic IAEs
Coexistence and positive interplay between magnetic and Peierls instabilities