Crystal Research and Technology
© WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Editor: Wolfgang Neumann (Editor-in-Chief), Klaus-W. Benz (Consulting Editor)
Online ISSN: 1521-4079
50 Years of Crystal Research & Technology
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Recently Published Articles
- 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
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.
- 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
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.
- 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
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.
- 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
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.
- 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
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.