Crystal Research and Technology

Cover image for Vol. 53 Issue 1

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. Method for Determining Crystal Grain Size by X-Ray Diffraction

    Kai He, Nuofu Chen, Congjie Wang, Lishuai Wei and Jikun Chen

    Version of Record online: 16 JAN 2018 | DOI: 10.1002/crat.201700157

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    In this paper, the relationship between the applicable scope of Scherrer equation and the variation of X-ray diffraction angle are calculated. Meantime, Si(100) is taken as an example to calculate the maximum grain size of Si(100) that can be obtained in the actual measurement processing based on the Scherrer equation.

  2. Effects of Rare Earth Elements and Nitrogen Co-Doped on the Photocatalytic Performance of TiO2

    Ruiyu Bao, Yanmin Yu, Huiying Chen, Wenzhong Wang, Jianxin Xia and Hua Li

    Version of Record online: 16 JAN 2018 | DOI: 10.1002/crat.201700138

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    Titanium dioxide, which is codoped with nine different rare earth ions and nitrogen, are synthesized by non-hydrolytic sol-gel method under different calcinations temperatures. The results indicate that co-doping can inhibit the particles growth and extend light-absorption to the visible region. Nd/N-TiO2 and Pr/N-TiO2 (380 °C) exhibit superior photocatalytic activity toward methyl orange degradation under visible light irradiation, the degradation rates are approximately 91 and 89% respectively.

  3. Efficiently Cooperative Energy Transfer Up-Conversion Luminescence in Tb3+ /Yb3+ Co-Doped Cubic Na5Lu9F32 Single Crystals by Vertical Bridgman Method

    Shinan He, Haiping Xia, Jianli Zhang, Yongsheng Zhu and Baojiu Chen

    Version of Record online: 15 JAN 2018 | DOI: 10.1002/crat.201700136

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    A favorable yellowish green light performance can be achieved with certain Yb3+ concentrations and 1.0 mol% Tb3+ co-doped Na5Lu9F32 single crystal, and its external quantum efficiency approached to 1.25% under 5.5 W cm−2 980 nm excitation which makes further research valuable in developing processable UC materials for electro-optical devices.

  4. Synthesis, Growth and Optical, Mechanical, Electrical and Surface Properties of an Inorganic New Nonlinear Optical Crystal: Sodium Cadmium Tetra Chloride (SCTC)

    M. Packiya raj, S.M. Ravi Kumar, D. Sivavishnu, T. Kubendiran, A. Anbarasi and S.E. Allen Moses

    Version of Record online: 15 JAN 2018 | DOI: 10.1002/crat.201700271

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    A new inorganic nonlinear optical single crystal of sodium cadmium tetra chloride (SCTC) is successfully grown from aqueous solution by the slow evaporation technique at room temperature. The crystalline nature of the grown crystal is analyzed by powder X-ray diffraction. The lattice parameters and crystal system is confirmed by single crystal X-ray diffraction. Optical transmission study on SCTC crystal shows high transmittance in the entire UV-Vis region. The mechanical strength of the grown crystal is estimated by Vicker's microhardness test.

  5. Preparation and Thermoelectric Properties of Zn-Doped Sn-Based Type-VIII Single-Crystalline Clathrate via a Grey Sn-Flux Method

    Lanxian Shen, Decong Li, Shuping Deng, Yu Tang, Zhong Chen, Zuming Liu, Peizhi Yang and Shukang Deng

    Version of Record online: 15 JAN 2018 | DOI: 10.1002/crat.201700150

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    Single-crystalline samples of Zn-substituted type-VIII clathrate Ba8Ga16Sn30 with n-type carriers are prepared by a grey Sn flux method. It is found that the Seebeck coefficient of Zn-doped sample with x = 1.5 is obviously improved. For the sample the largest ZT value of 0.63 is obtained at 537 K. All samples are stable below the melting point.

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