Characterization of strontium and barium manganates by abrasive stripping voltammetry期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Characterization of strontium and barium manganates by abrasive stripping voltammetry

Authors:	Dirk A. Fiedler Jörg H. Albering Jürgen O. Besenhard

Affiliation:	Institut für chemische Technologie anorganischer Stoffe, Technische Universit?t Graz, Stremayrgasse 16/III, A-8010 Graz, Austria Tel.: +43-316-873 8763, Fax: +43-316-873 8272, e-mail: f537albe@mbox.tu-graz.ac.at, AT

Abstract:	Abrasive stripping voltammetry is applied in order to characterize barium and strontium manganates-(V) and -(VI) in solid state phases. Voltammetric reduction peak potential values of KBaMnO₄, Ba₃(MnO₄)₂, Ba₃(MnO₄)₂₋ _x(BO₃)_x (x=0.031(1)), Ba₅(MnO₄)₃OH, Ba₅(MnO₄)₃Cl, Sr₅(MnO₄)₃OH and BaMnO₄ are shown to be proportional to the corresponding average Mn-O distances, which were determined from X-ray powder diffractometric data through Rietveld refinement analyses. Received: 25 November 1997 / Accepted: 28 January 1998

Keywords:	Abrasive stripping voltammetry X-ray powder diffractometry Manganates Solid state electrochemistry
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