Temperature and composition phase diagram in the iron-based ladder compounds Ba1-xCsxFe2Se3

Takafumi Hawai, Yusuke Nambu, Kenya Ohgushi +11

We investigated the iron-based ladder compounds (Ba,Cs)Fe${}_2$Se${}_3$. Their parent compounds, BaFe${}_2$Se${}_3$ and CsFe${}_2$Se${}_3$, have different space groups, formal valences of Fe a…