Atomically layer-by-layer diffusion of oxygen/hydrogen in highly epitaxial PrBaCo2O5.5+δ thin films

Single-crystalline epitaxial thin films of PrBaCo2O5.5+δ (PrBCO) were prepared, and their resistance R(t) under a switching flow of oxidizing and reducing gases were measured as a function of the gas flow time t in the temperature range of 200–800 °C. During the oxidation cycle under O2, the PrBCO f...

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Veröffentlicht in:	Applied physics letters 2015-12, Vol.107 (24)
Hauptverfasser:	Bao, Shanyong, Xu, Xing, Enriquez, Erik, Mace, Brennan E., Chen, Garry, Kelliher, Sean P., Chen, Chonglin, Zhang, Yamei, Whangbo, Myung-Hwan, Dong, Chuang, Zhang, Qinyu
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Barium oxides Chemical sensors Cobalt CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Diffusion layers Direct reduction Electrode materials Gas flow Operating temperature Organic chemistry Oxidation Oxygen Single crystals Thin films
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