Crystal Research and Technology

Cover image for Vol. 52 Issue 3

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. Synthesis of aragonite CaCO3 nanocrystals by reactive crystallization in a high shear mixer

    Chao Yang, Jinli Zhang, Wei Li, Shanshan Shang and Cuili Guo

    Version of Record online: 21 APR 2017 | DOI: 10.1002/crat.201700002

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    Aragonite CaCO3 nanoparticles were prepared in an in-line high shear mixer (HSM)-aided crystallizer involving the gas-liquid-solid multiphase reactive crystallization between CO2 gas and the aqueous slurry of Ca(OH)2. High crystalline purity aragonite CaCO3 with the average width of 50 nm was prepared. Such HSM-aided crystallizer is superior to adjust the micro-mixing environment in the multiphase reactive crystallization, beneficial to the formation of metastable crystal CaCO3.

  2. Modulation mechanism of growth atmosphere on composition and phase transition behavior in barium calcium titanate crystal

    Tianxiang Xu, Yicheng Wang, Dazhi Lu, Zhongben Pan, Haohai Yu, Huaijin Zhang and Jiyang Wang

    Version of Record online: 21 APR 2017 | DOI: 10.1002/crat.201700009

    Thumbnail image of graphical abstract

    The growth atmosphere modulation effect on elemental composition of Ba1-xCaxTiO3 crystal was investigated. Crystals near with the two critical compositions were obtained successfully from the same melt under N2 and air atmospheres. Crystal structural properties and phase transition behaviors of the as-grown crystals have been studied and the influence by growth atmospheres were discussed in detail.

  3. Solution-mediated polymorphic transformation of amorphous form to Form I of olmesartan medoxomil in methanol-water mixture solvents

    Ming-Hui Qi, Wan-Shang Chen, Hui Zhou, Jing-Yan Chen and Guo-Bin Ren

    Version of Record online: 18 APR 2017 | DOI: 10.1002/crat.201700038

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    Mechanism for solution-mediated polymorphic transformation of amorphous form to Form I of olmesartan medoxomil in methanol-water mixture solvents was studied through on-line instrument and off-line methods. Effects of water content, temperature and additives on the transformation process were also discussed.

  4. Facile fabrication of rod-shaped Zn2GeO4 nanocrystals as photocatalyst for hydrogen production

    Jun Liang, Yao Chai and Li Li

    Version of Record online: 18 APR 2017 | DOI: 10.1002/crat.201700022

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    The enhancement of photocatalytic activity over prismatic Zn2GeO4 nanorods is a synergetic effect of beneficial surface structures, superb crystal quality, special surface area and 1-D nanostructure with high aspect ratios in photocatalytic hydrogen evolution from biomass/water solution under UV-light irradiation.

  5. Drop model for continuous milli-beads production

    Carmen Stelian, Abdeldjelil Nehari, Kheirreddine Lebbou and Thierry Duffar

    Version of Record online: 11 APR 2017 | DOI: 10.1002/crat.201700037

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    Production of solid spheres from droplet solidification is of great interest, but needs a careful control of the drop diameter. An improved formula predicting the volume of released droplets has been derived by reconsidering the approximate balance relating the gravitational and surface tension forces proposed by Tate. The simple proposed model can easily be used for the design of experiments in which liquid droplets should be produced, as for example surface tension measurements or milli-beads production.

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