Crystal Research and Technology

Cover image for Vol. 52 Issue 10

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

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    Personal Reflections

    Version of Record online: 10 OCT 2017 | DOI: 10.1002/crat.201720110

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    Theoretical and Experimental Study of Structural Phases in CoMoO4

    Dejan Zagorac, J. Christian Schön, Milena Rosić, Jelena Zagorac, Dragana Jordanov, Jelena Luković and Branko Matović

    Version of Record online: 27 SEP 2017 | DOI: 10.1002/crat.201700069

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    CoMoO4 is an important technological material. Here, the authors show that both known standard pressure modifications can be synthesized using the self-propagating room temperature (SPRT) method. Furthermore, the authors predict several feasible new metastable modifications of CoMoO4 that might be accessible using the SPRT procedure.

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    Superconducting Tin Selenide/Niobium Diselenide Ferecrystals

    Corinna Grosse, Matti B. Alemayehu, Anna Mogilatenko, Olivio Chiatti, David C. Johnson and Saskia F. Fischer

    Version of Record online: 27 SEP 2017 | DOI: 10.1002/crat.201700126

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    Structurally independent stacks of two-dimensional layers build a semiconductor-superconductor heterostructure thin film. The number of tin selenide bilayers, which separate single niobium diselenide trilayers, is varied. A rotational disorder between the layers ensures strain-free stacking and allows artificial hybrid structures. The authors show that the transition to the superconducting state survives and that the critical temperatures decrease systematically with an increasing number of tin selenide layers.

  4. Asymmetrical Photodetection Response of Methylammonium Lead Bromide Perovskite Single Crystal

    Xin Wang, Yin Huang, Wei Lei, Qing Li, Xiaobing Zhang, Qasim Khan and Baoping Wang

    Version of Record online: 8 SEP 2017 | DOI: 10.1002/crat.201700115

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    The authors demonstrate the asymmetry in large-sized methylammonium lead bromide perovskite single crystal (MAPbBr3) by investigating its optical and transport properties in different growth channels. Photodetectors based on different channels of perovskite single crystal are fabricated, and photodetections of the channels are studied as well. The work provides useful information for photovoltaic devices based on perovskite single crystals.

  5. Basic Properties of Nd-Doped GYSGG Laser Crystal

    Shoujun Ding, Qingli Zhang, Jianqiao Luo, Wenpeng Liu, Dunlu Sun, Xiaofei Wang, Guihua Sun and Jinyun Gao

    Version of Record online: 4 SEP 2017 | DOI: 10.1002/crat.201700132

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    In this work, a Nd:GYSGG crystal with high crystalline quality was grown successfully by Czochralski method. Its mechanical properties (including hardness, fracture toughness, brittleness index and yield strength) and defects were systemically studied. The J-O calculation was applied to investigate its spectral properties. The fluorescence lifetime of 4F3/2[RIGHTWARDS ARROW]4I11/2 transition is fitted to be 221.3 μs. All of these obtained results play an important role for the practical application of the Nd:GYSGG crystal.