Change of Fermi surface states related with two different $T_{\mathrm{c}}$-raising mechanisms in iron pnictide superconductor

A. Takemori, T. Hajiri, S. Miyasaka +6

Evolution of Fermi surface (FS) states of NdFeAs${}_{1-x}$P${}_x$O${}_{0.9}$F${}_{0.1}$ single crystals with As/P substitution has been investigated. The critical temperature $T_{\mathrm{c}}$ a…