نتایج جستجو برای: crystalline phase

تعداد نتایج: 632043  

Journal: :Acta Crystallographica Section A Foundations and Advances 2017

Journal: :Journal of Materials Chemistry C 2023

Crystallization from an aligned discotic liquid crystal results in biaxially textured crystals of organic semiconductor.

B. Mirhadi, M. Ghamari,

Abstract: Glassy samples with xTiO2 .3SiO2 .Na2O composition that (8≤x≤40) (molar) were casted in refractory steel molds after melting at air as parallel palates. After polishing and getting to desire thickness, UV-VIS spectrometry in 200 -1100 nm was measured on samples. Glass density was measured by a sensitive micro balance and was found that by increasing titanium dioxide of glasses, glass ...

Journal: :Journal of the Mechanics and Physics of Solids 2000

Journal: :Journal de Physique I 1996

Journal: :Chemical communications 2011
Haifeng Shi Haixia Wang John H Xin Xingxiang Zhang Dujin Wang

Crossover of mesophase to crystalline structure in the nanoconfinement crystallization process of frustrated side groups elucidates the critical crystal thickness d(c) or the length scale of side groups, which defines the transition process from mesophase (hexagonal and monoclinic phase) to crystalline phase (orthorhombic phase) of confined CH(2) sequences in a given crystal size restriction.

Journal: :Nuclear Physics B - Proceedings Supplements 1996

Abstract: In the present work, effect of the nucleating agent such as TiO2, ZrO2, P2O5, Ye2O3 and CeO2 in single, double, triple and fourth systems on the crystallization behavior of various compositions was studied. Using differential thermal analysis (DTA), the composition of Li2O-Al2O3-SiO2 (LAS) was optimized and the coefficient of thermal expansion (CTE), three point flexural strength, har...

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