Crystal Research and Technology

Cover image for Vol. 52 Issue 2

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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50 Years of Crystal Research & Technology

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Recently Published Articles

  1. Crystal characterization and transformation of the forms I and II of anticoagulant drug rivaroxaban

    Yue Xu, Shu-Ping Wu, Xi-Jian Liu, Li-Juan Zhang and Jie Lu

    Version of Record online: 13 FEB 2017 | DOI: 10.1002/crat.201600379

    Thumbnail image of graphical abstract

    The crystal forms I and II of rivaroxaban have been characterized by PXRD, DSC, FTIR and powder dissolution. The solution-mediated phase transformation from form II to form I has also been investigated under different temperature, slurry density and stirring speed. The results show that, the two forms are monotropically-related and form II is the metastable form. The transformation rate increases with increasing temperature, slurry density and stirring speed.

  2. Structural, optical, and magnetic properties of Cu-doped TiO2 samples

    S. A. Ahmed

    Version of Record online: 6 FEB 2017 | DOI: 10.1002/crat.201600335

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    Magnetic measurements revealed that all the copper-doped TiO2 samples exhibited room-temperature ferromagnetism. The average magnetic moment per copper atom decreased as the copper content and annealing temperature increased, that is due to the antiferromagnetic interaction between neighboring copper ions and the reduction of defects and/or oxygen vacancies, respectively. The ferromagnetism was interpreted by the bound magnetic polarons model, in which both oxygen vacancies and copper ions are involved.

  3. The mechanism of texture formation during crystallization process of Ge2Sb2Te5 thin films

    Qixun Yin and Leng Chen

    Version of Record online: 19 JAN 2017 | DOI: 10.1002/crat.201600243

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    The texture evolution, orientation relationship and grain growth mode of Ge2Sb2Te5 thin films in crystallization process has been investigated experimentally and theoretically. The results show that the major texture component of Ge2Sb2Te5 thin films found in FCC structure is {100} fibre texture and in HEX structure is {0001} basal texture. The dependence of strain energy density on grain orientation in Ge2Sb2Te5 thin films has also been discussed.

  4. Melt crystallization of binary mixture of fatty acids as model biofuel

    Takuji Yamamoto, Takuto Fujikawa, Nobuyoshi Okamoto, Kazuhiro Itoh, Kouji Maeda, Keisuke Fukui and Hidetoshi Kuramochi

    Version of Record online: 12 JAN 2017 | DOI: 10.1002/crat.201600316

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    The authors performed melt crystallization experiments by employing a binary mixture of fatty acids as a model biofuel. To account for both the growth of solid layer and the solute distribution at the solid–liquid (S–L) interface during the formation of the solid layer, this article proposed theoretical equations involving heat and mass transfer. As a result, authors confirmed the validity of the proposed equations under the varied crystallization conditions.

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