Epitaxial LSNO Thin Films

Tunable Plasmons

Sr doping tunes the excitation of conventional metallic and correlated plasmons, enabling tunable optoelectronic platforms.

Mengxia, Sun · He, Xu · Mingyao, Chen · Tang, Chi Sin · Liu, Xiongfang · Liang, Dai · Liu, Jishan · Zeng, Zhigang · Sun, Shuo · Breese, Mark B.H. · Cai, Chuanbing · Wang, Le · Du, Yingge · Wee, Andrew Thye Shen · Yin, Xinmao

ACS Photonics 2024

Advantages

At Sr doping x=0.125, correlated plasmons absent while optical conductivity remains high

O2p-Ni3d orbital hybridization significantly enhanced

Effective correlation U* considerably weakened