Great diversity in stability of perovskite-type oxides studied by electrochemical hydrogen charging |
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| Authors: | Yuchong Pei Wanping Chen |
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| Institution: | PEI Yuchong,CHEN Wanping Key Laboratory of Artificial Micro-and Nanostructures of Ministry of Education/School of Physics and Technology,Wuhan University,Wuhan 430072,Hubei,China |
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| Abstract: | Single crystals of 0.91Pb(Zn1/3Nb2/3)O3-0.09PbTiO3,SrTiO3 and BaTiO3,and ceramic pellets of CaCu3Ti4O12 and BiFeO3 have been studied and compared through electrochemical hydrogen charging,in which the oxides were coated with silver electrodes to electrolyze water as the cathode.Great diversity has been observed in the stability of the oxides:0.91Pb(Zn1/3Nb2/3)O3-0.09PbTiO3 was quickly decomposed;hydrogen could enter the lattice of the other four oxides,but their properties were influenced at extremely diffe... |
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| Keywords: | perovskite oxide stability hydrogen |
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