The Hidden Nematic Fluctuations in the Triclinic (Ca0.85La0.15)10(Pt3As8)(Fe2As2)5 Superconductor Revealed by Ultrafast Optical Spectroscopy

Qi-Yi Wu, Chen Zhang, Ze-Zhong Li +13

We reported the quasiparticle relaxation dynamics of an optimally doped triclinic iron-based superconductor (Ca${}_{0.85}$La${}_{0.15}$)${}_{10}$(Pt${}_3$As${}_8$)(Fe${}_2$As${}_2$)${}_5$ with bul…