Crystal Research and Technology

Cover image for Vol. 51 Issue 9

Editor: Wolfgang Neumann (Editor-in-Chief), Klaus-W. Benz (Consulting Editor)

Online ISSN: 1521-4079

Associated Title(s): physica status solidi (a), physica status solidi (b), physica status solidi (RRL) - Rapid Research Letters

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Recently Published Articles

  1. Fabrication of ferric oxide/reduced graphene oxide/cadmium sulfide heterostructure photoelectrode for enhanced photoelectrochemical performance

    Hong-Ye Bai, Chao Chen, Hua Wu, Zulin Da and Weiqiang Fan

    Version of Record online: 29 SEP 2016 | DOI: 10.1002/crat.201600228

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    Fe2O3/RGO/CdS takes full advantage of the heterostructure (Fe2O3/CdS) and conductive scaffold (graphene), which is benefit to separate and transmit e−/h+ pairs for enhanced photoelectrochemical water splitting.

  2. Identification of solid oxygen-containing Na-electrolytes: An assessment based on crystallographic and economic parameters

    Falk Meutzner, Wolfram Münchgesang, Tilmann Leisegang, Robert Schmid, Matthias Zschornak, Mateo Ureña de Vivanco, Alexander P. Shevchenko, Vladislav A. Blatov and Dirk C. Meyer

    Version of Record online: 26 SEP 2016 | DOI: 10.1002/crat.201600223

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    We have scanned the inorganic crystal structure database (>180,000 structures) using Voronoi-Dirichlet methodology for inorganic, crystalline, solid Na electrolytes. We used data generated from the currently widest-spread materials to lay a foundation for the crystallographic data mining. We introduced an evaluation and scoring scheme based on nine different crystallographic and economic parameters in order to systematise the 400 resulting candidates and point towards the most promising materials.

  3. Strontium titanate: From symmetry changes to functionality

    Hartmut Stöcker, Juliane Hanzig, Matthias Zschornak, Erik Mehner, Sven Jachalke, Carsten Richter, Florian Hanzig, Falk Meutzner, Tilmann Leisegang and Dirk C. Meyer

    Version of Record online: 22 SEP 2016 | DOI: 10.1002/crat.201600222

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    Pure strontium titanate exhibits a cubic perovskite-type structure, but many approaches to break this high degree of symmetry are accessible. Since oxygen vacancies are the most prominent and most mobile defect species in strontium titanate, they play a crucial role also for structural changes due to external influences. Possible functionalities range from tuning of permittivity and conductivity to field-induced structure changes, which lead to applications as solid-state battery or switchable pyroelectric.

  4. Comparative study of dislocation density characterizations on silicon

    B. Gallien, S. Bailly and T. Duffar

    Version of Record online: 22 SEP 2016 | DOI: 10.1002/crat.201600224

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    This study involves characterizing the sample with four different methods. Before each characterization, the sample is polished to obtain a mirror surface, by SiC grinding (EPA 1200 and 2400) and diamond paste polishing down to 1 μm. Then, specific chemical etching and dislocation density measurement are performed.

  5. Reevaluation of phase relations in the chemical system neodymium lutetium oxide NdLuO3

    Tamino Hirsch, Reinhard Uecker and Detlef Klimm

    Version of Record online: 22 SEP 2016 | DOI: 10.1002/crat.201600237

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    The phase relations of NdLuO3 were investigated. A mixture of solid solutions in the cubic C and in the monoclinic B rare earth oxide structure exists between 1200 and 1650 °C. The C-phase is dominated by Lu content while the B-phase is Nd rich. With rising temperature, the portion of Nd in the C-phase is increased and lowered for the B-phase. No evidence for stability of perovskitic NdLuO3 could be found. Thermal signals up to 2184 °C were examined.