Incorporation of Water and Fast Proton Conduction in the Inherently Oxygen‐Deficient Compound La26O27□(BO3)8
Source abstract
Abstract
The monoclinic inherently oxygen- deficient compound La26O27□(BO3)8 can react with water vapor and incorporate protons by filling the oxygen-ion vacancy and forming hydroxide ions, leading to the oxy-hydroxy-borate La26O26(OH)2(BO3)8. This reaction is reversible. The conductivity measured under wet conditions at 300 °C is that of La26O26(OH)2(BO3)8; at 600 °C the proton contribution to the total conductivity is still clearly visible (see figure).
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Research context
OpenAlex topics: Advanced Condensed Matter Physics · Magnetic and transport properties of perovskites and related materials · Electronic and Structural Properties of Oxides
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