ChemInform Abstract: Anionogenic Mixed Valency in K_xBa_1‐xO_2‐δ.

Abstract

The solid solution series KxBa1‐xO2‐δ (x < 0.41) is synthesized from stoichiometric amounts of Ba(NO3)2 and KO2 in liquid NH3 (‐40 to ‐60 °C, 30 min).