Insights on the Stability and Cationic Nonstoichiometry of CuFeO2 Delafossite.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b00651
Abstract: CuFeO2, the structure prototype of the delafossite family, has received renewed interest in recent years. Thermodynamic modeling and several experimental Cu-Fe-O system investigations did not focus specifically on the possible nonstoichiometry of this compound, which… read more here.
Keywords: nonstoichiometry; temperature; cufeo2; delafossite ... See more keywords
Broad Applicability of Electrochemical Impedance Spectroscopy to the Measurement of Oxygen Nonstoichiometry in Mixed Ion and Electron Conductors.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c05417
Abstract: Oxygen nonstoichiometry is a fundamental feature of mixed ion and electron conductors (MIECs). In this work, a general electrochemical method for determining nonstoichiometry in thin film MIECs, via measurement of the chemical capacitance, is demonstrated… read more here.
Keywords: oxygen nonstoichiometry; spectroscopy; ion electron; impedance ... See more keywords
Effect of A-Site Nonstoichiometry on Defect Chemistry and Electrical Conductivity of Undoped and Y-Doped SrZrO3
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DOI: 10.3390/ma12081258
Abstract: The effect of Sr-nonstoichiometry on phase composition, microstructure, defect chemistry and electrical conductivity of SrxZrO3−δ and SrxZr0.95Y0.05O3−δ ceramics (SZx and SZYx, respectively; x = 0.94–1.02) was investigated via X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray… read more here.
Keywords: nonstoichiometry; chemistry; effect; conductivity ... See more keywords