نتایج جستجو برای: crystal morphology

تعداد نتایج: 301506  

2015
Y. - H. Luo N. He Y. - C. Wang W. - G. Cao P. Feng

In our work, interface synthesis method was put forward to prepare FePO4 with different morphologies, and the effect of morphology on the preparation and electrochemical performance of LiFePO4/C was investigated. The results showed that the morphology of FePO4 was amorphous and monoclinic at the treatment temperatures of 30 °C and 80 °C, respectively. LiFePO4/C prepared from two crystal precurs...

2001
K. Ignatiev

Samples from the center of plates of rolled aluminum alloys AA 8090 and 7055 were investigated using microbeam diffraction and polychromatic synchrotron x-ray radiation. Transmission Laue patterns from different parts of the samples were compared and analyzed for the presence of mesotexture similar to that observed previously in the center of plates of aluminum alloy AA 2090 (i.e., near single-...

2009
T. N. Knepp T. L. Renkens P. B. Shepson

A chamber was constructed within which snow crystals were grown on a string at various temperatures, relative humidities, and acetic acid gas phase mole fractions. The temperature, relative humidity, and acid mole fraction were measured for the first time at the point of crystal growth. Snow crystal morphological transition temperature shifts were recorded as a function of acid mole fraction, a...

Journal: :Physical chemistry chemical physics : PCCP 2014
Yunxia Zhang Shaodong Sun Xiaozhe Zhang Linli Tang Xiaoping Song Zhimao Yang

Morphology is a primary part of designing metal nanocrystals and nanomaterials with controlled functional properties. Here, we demonstrate the potential of foreign sulfate ions to tune the silver dendrites to highly branched chains through a simple galvanic replacement reaction without introducing any organic surfactants. We further illustrate the underlying mechanism according to diffusion-lim...

In the last decade, Calcium Titanate has been introduced as a bioceramic with acceptable mechanical and biological properties for orthopaedic implant applications. In this study, CaTiO3 nano-structure coating was produced by sol-gel dip-coating route for biomedical applications. Calcium nitrate and titanium isopropoxide were used as a precursor. After coating process, the specimen was subject...

H. Vahidi M. Khorasani-Motlagh M. Noroozifar

The perovskite-type oxides strontium-substituted lanthanum nickelate (LSNO) were prepared by a coprecipitation method in the present of octanoic acid as surfactant. The phase composition, morphology,lattice parameters and size of nanoparticles in these materials were characterized through Fourier transform infr...

2016
Keisuke Maeda Koji Yamada Kazushi Yamada Masaya Kotaki Hiroyuki Nishimura

In this study, the relationship between skin structure and shear strength distribution of thin-wall injection molded polypropylene (PP) molded at different molecular weight and molecular distribution was investigated. Skin-core structure, cross-sectional morphology, crystallinity, crystal orientation, crystal morphology and molecular orientation were evaluated by using polarized optical microsc...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

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