Structural stability, electronic structure, and magnetic properties of the single-layer trilayer La3Ni2O7 polymorph

Shekhar Sharma, Yi-Feng Zhao, Antia S. Botana

A polymorph of the bilayer nickelate La3Ni2O7 that displays an alternating single-layer (SL) and trilayer (TL; 1313) stacking pattern has recently been discovered. Signatures of su…