Complex sentence: It has been suggested that alternating layers of FeSe and CoSe (cobalt selenide) might boost "T" c even further due to proximity effects, cobalt has been used in other pnictogen compounds as a substitute for iron and found to work as well.
Split into simpler sentences: It has been suggested that alternating layers of FeSe and CoSe (cobalt selenide) might boost "T" c even further due to proximity effects. Cobalt has been used in other pnictogen compounds as a substitute for iron and found to work as well.