Crystal Research and Technology

Cover image for Vol. 52 Issue 11

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. Tetramer bis-(8-hydroxyquinoline) Zinc Crystals Prepared by Physical Vapor Deposition Method

    Zhixian Wei, Hui Song, Chenghu Dai, Zhen Chen, Xueyu Yan, Ziwu Ji, Zhiyong Pang and Shenghao Han

    Version of Record online: 15 NOV 2017 | DOI: 10.1002/crat.201700229

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    High quality single crystals of ZnQ2 [bis-(8-hydroxyquinoline) zinc] tetramer, (ZnQ2)4, with the triclinic unit cell were prepared by the PVD method. The crystallization is due to a classical crystal growth process below 320 °C, while a non-classical partical-attachment crystal growth pathway at higher temperature (340 °C). The crystals show enhanced and sharper photoluminescence (PL) properties compared with the thin film.

  2. Transient Simulation of Dopant Segregation at Facets During Growth of Nd:YAG Crystal

    Kaiwei Hu

    Version of Record online: 15 NOV 2017 | DOI: 10.1002/crat.201700232

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    Numerical simulation of faceting and dopant segregation for vertical Bridgman growth of Nd:YAG is presented. The dopant concentration at the facets is higher than that without considering the facet phenomenon, which may reduce the quality of the crystal. Increasing the thermal gradient in the melt can reduce the dopant segregation at the facet.

  3. Single Crystals of KRE(MoO4)2, (RE- Ce, Pr) Obtained from Fluorides: Scheelite-Related Structure and Luminescence

    Kateryna V. Terebilenko, Konstantin L. Bychkov, Kateryna E. Klymyshyna, Vyacheslav N. Baumer, Mykola S. Slobodyanik, Elena V. Khomenko and Volodymir P. Dotsenko

    Version of Record online: 13 NOV 2017 | DOI: 10.1002/crat.201700222

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    Using fluorides as a source of lanthanides(III) in high-temperature melt method yields single crystals of double potassium molybdates containing cerium(III) or praseodimium(III) The key factor of pure single crystals preparation is molar ratio of K/Mo in the molten solution. Both compounds reveal scheelite-type structure and crystallize tetragonally with the space group I41/a and two formula units per unit cell. The KPr(MoO4)2 crystals posses red photoluminescence under excitations in ultraviolet and visible spectral regions.

  4. Efficient Microwave Irradiation-Assisted Hydrothermal Synthesis of Ammonium Vanadate Flake

    Jing-peng Wang, Yi-min Zhang, Jing Huang and Tao Liu

    Version of Record online: 9 NOV 2017 | DOI: 10.1002/crat.201700104

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    In microwave irradiation, a pure (NH4)2V6O16 phase with regular spindle and rhombic crystal shapes via an efficient hydrothermal synthesis method. The crystal growth habit was changed while in particular, the interplanar spacing of [–1 0 0] was expanded by approximately ∼8%–12%.

  5. Growth and Properties of CH3NH3PbI3 Single Crystal

    Jing Su, Di Lu, Lei Zhang, Di Wang, Yu Bai and Wangfu Wang

    Version of Record online: 7 NOV 2017 | DOI: 10.1002/crat.201700171

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    CH3NH3PbI3 single crystals were grown by inversion crystallization with GBL solvent. The structural, thermal properties and morphology of CH3NH3PbI3 crystal were characterized, it shows the crystals grown were of tetragonal phase with lattice constants a = b = 8.8526 Å and c = 12.6523 Å. Thermal decomposition mechanism in the temperature range of 25–800 °C were analyzed. It shows that CH3NH3PbI3 crystal grown is of good quality and dendritic crystallization was observed from GBL solvent.