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Pressure-Induced Charge Disorder-Order Transition in the Cs4O6 Sesquioxide
(Amer Chemical Soc, 2020)
Cs4O6 adopts two distinct crystal structures at ambient pressure. At temperatures below similar to 200 K, its ground state structure is tetragonal, incorporating two symmetry-distinct dioxygen anions, diamagnetic peroxide, ...
Elusive Valence Transition in Mixed-Valence Sesquioxide Cs4O6
(Amer Chemical Soc, 2019)
Cs4O6 is a mixed-valence molecular oxide with a cubic structure, comprising valency-delocalized O-2(4/3-) units and with properties highly sensitive to cooling protocols. Here we use neutron powder diffraction to authenticate ...