Soft (low temperature) chemical control of solid state systems will be described in which intercalation or deintercalation chemistry are used to control structures and properties of transition metal compounds. In particular the control of superconductivity in layered iron selenides will be demonstrated in the context of intercalates of FeSe containing ammonia and electropositive metals, and the lithiation of layered iron hydroxide selenides. The extension of this chemistry to a range of other transition metal systems, notably layered oxide chalcogenides of mid-1st row transition metals in order to access unusual oxidation states and coordination environments in metastable compounds will be discussed.

Soft chemical control of iron-based superconductors and related compounds

253rd National Meeting (2017)

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