New results in the thermodynamics, kinetics, and evolution pathways of interfacial crystallization and assembly will be particularly encouraged. (springer.com)
Thesis Title:Thermodynamics and Kinetics of Glass formation and its devitrification and concurrent effect on oxidation and corrosion behavior of glassy and nanocrystalline alloys. (iitk.ac.in)
However, a limited understanding of the thermodynamics and kinetics of colloidal assembly has limited the informed design of robust processes that achieve sufficiently low defect densities. (aiche.org)
Isothermal crystallization5
The aim of this work is to compare the isothermal crystallization kinetic in the films along GeTe-Sb 2 Te 3 line with composition Ge 2 Sb 2 Te 5 , Ge 1 Sb 2 Te 4 Ge 1 Sb 4 Te 7 and Ge 4 Sb 1 Te 5 using mainly Johnson-Mehl-Avrami-Kolmogorov (JMAK) model. (scirp.org)
The aim of this work is to compare the isothermal crystallization kinetic in the films along GeTe-Sb 2 Te 3 line. (scirp.org)
We have studied the nonisothermal and isothermal crystallizationkinetics of an aromatic thermotropic liquid crystalline polyimide synthesized from 1,2,4,5-benzenetetracarboxylic dianhydride (PMDA) and 1,3-bis[4-(4′-aminophenoxy) cumyl] benzene (BACB) by means of differential scanning calorimetry (DSC). (edu.sa)
C. Chattopadhyay, S. Sangal, K. Mondal (2014): Simulated isothermal crystallizationkinetics from non-isothermal experimental data. (iitk.ac.in)
Polymers3
This document specifies two methods (isothermal and non-isothermal) for studying the crystallizationkinetics of partially crystalline polymers using differential scanning calorimetry (DSC). (iso.org)
Crystallization is very significant properties affecting all mechanical and physical properties of PET just as for all kind of polymers. (researchgate.net)
This special issue will highlight the crystallization and assembly of both atomic/molecular species and larger building blocks, including particles, biological macromolecules, and polymers. (springer.com)
Nucleation and growth1
In Ge 2 Sb 2 Te 5 and Ge 1 Sb 2 Te 4 films the analysis of the kinetic results (Avrani coefficient) showed that at the beginning of crystallization a metastable phase appeared with the Ge 1 Sb 4 Te 7 composition, this is followed by the nucleation and growth of the stable fcc phase up to full crystallization. (scirp.org)
Energetics1
Such magnetic relaxation dispersion (MRD1) structural polymorphism of quadruplexes ( 2, 5, 6 ), but little measurements have been used to study ion binding (via 23Na is known about the energetics and kinetics of ion binding. (lu.se)
Nonisothermal crystallization showed two strong and one weak exothermic peaks during cooling. (edu.sa)
Temperature5
At high pressure levels and low initial temperature, crystallization induced during adiabatic compression resulted in high density of small homogeneous crystals. (researcher-app.com)
Here, temperature and time dependent crystallisation kinetics were estimated using a quality parameter derived from X-ray diffraction (XRD) patterns of bioglass during stabilisation treatment. (nitk.ac.in)
The average value n is about 2.6 and the temperature-dependent rate constant k changes about two orders of magnitude in the crystallizationtemperature range of 6°C. The slope of In k versus 1/ (T c ΔT) is calculated to be -2.4 × 10 5 , which suggests nucleation control, via primary and/or secondary nucleation for the crystallization process. (edu.sa)
Chocolate manufacture includes a complex tempering procedure to direct the crystallization of cocoa butter towards the formation of fat crystal networks with specific polymorphism, nano- and microstructure, melting behavior, surface gloss and mechanical properties. (nature.com)
CB TAGs have very complex crystallization behavior, and at least six distinct polymorphic forms are known to exist. (nature.com)
On the other hand, however, very little work has been carried out on the effects of CB minor components on this crystallization behavior and structure. (nature.com)
Similar to phospholipids, Müller and Careglio reported varying effects of FFAs on the crystallization behavior of CB. (nature.com)
A.P. Moon, K. Kumar, K. Mondal (2014): Oxidation and Crystallization Behavior of Quinary Zr-based Bulk Metallic Glasses. (iitk.ac.in)
Polymorphs2
The crystallisation speed is varied by the evaporation rate of the solvent and is identified as a key parameter for the respective polymorphs present in the films. (rsc.org)
The pharmaceutical industry needs a robust screening system that can accurately determine API polymorphs and crystallizationkinetics in a shorter time frame. (eurekalert.org)
Induces2
Slow crystallisation speed induces preferential growth in the stable bulk structure, while fast crystallisation leads to the occurrence of a metastable thin-film phase. (rsc.org)
We discover that addition of saturated phosphatidylcholine and phosphatidylethanolamine to neutralized and bleached cocoa butter or molten and recrystallized commercial chocolate at 0.1% (w/w) levels, followed by rapid cooling to 20 °C in the absence of shear, accelerates crystallization, stabilizes the desirable Form V polymorph and induces the formation of chocolate with an optimal microstructure, surface gloss and mechanical strength. (nature.com)
Quantum2
We show that independent size and morphology engineering of epitaxial quantum dots can be obtained using a kinetically controlled quantum dot fabrication procedure, namely droplet epitaxy.Due to the far-from-equilibrium droplet epitaxy procedure, which is based on the crystallization, under As flux, of a nanometric droplet of Ga, independent and precise tuning of quantum dot size, aspect ratio, and faceting can be achieved. (tue.nl)
Ulf Ryde was born in 1963 and obtained a PhD in biochemistry methods and their possible combination with quantum chemical (enzyme kinetics and control theory) at Lund University, Sweden, methods, including a number of typical applications. (lu.se)
Thickness2
This work gives an example of thin film growth where the kinetics during the crystallisation rather than the film thickness is identified as the critical parameter for the presence of a thin-film phase within organic thin films. (rsc.org)
The enthalpy of crystallization becomes more exothermic with decreasing thickness, and it was measured to be −26 kJ/mol YSZ for 4-nm-thick layers and −12 kJ/mol for 15-nm-thick layers. (cambridge.org)
Molecules1
This MRS Advances special issue will highlight recent advances in the crystallization and assembly of atoms, molecules, and particles at interfaces, with a particular focus on mechanistic approaches developed to understand the underlying pathways for materials design and development. (springer.com)
Growth5
Topics covered include: Microbial structure, growth kinetics and product formation in cell cultures. (uaeu.ac.ae)
Solid-liquid Phase Transformations (Solid liquid interfacial energy, preferential growth direction for primary dendrites, Pseudo-isokinetic approach for determining kinetics of phase transformations. (iitk.ac.in)
The dependence of the dot morphology on the growth conditions is interpreted and described quantitatively through a model that takes into account the crystallizationkinetics of the Ga stored in the droplet under As flux. (tue.nl)
We find that the Johnson-Mehl-Avrami-Kolmogorov theory, which describes the average kinetics of polycrystalline films growth, can be applied to the single grains as. (lu.se)
We elucidate the interface-controlled nature of the single-grain growth in thin films and reveal the surface strains which may be a driving force for anisotropic crystallization rates. (lu.se)
Avrami4
Studies of crystallizationkinetics of phase change films, are often analyzed using the Johnson-Mehl-Avrami-Kolmogorov (JMAK) model for isothermal annealing (see the following reference [1-5]), which allow to determine the activation energy for the crystallization process. (scirp.org)
should be a straight line with a slope corresponding to the Avrami exponent, which provides information about the mechanisms of crystallization. (scirp.org)
The proposed distribution kinetics model provides a different interpretation of the familiar Avrami equation. (iisc.ac.in)
The Avrami exponents that are determined by these models for the crystallization of CaLaB(7)O(13) and LaBO(3) are found to be in the range of (1.81-2.35) and (4.03-4.65), respectively. (csircentral.net)
Study2
It is proposed that IPB can be used as quality parameter to assess crystallinity and to study crystallisation kinetics in bioglasses. (nitk.ac.in)
In this study, it was tried to summarize all about PET crystallization by referring to all studies carried out before. (researchgate.net)
Temperatures1
While decomposing nitrate phases especially in solgel derived 45S5 bioglass, it is difficult to avoid crystallisation of silicate crystalline phases (Na2CaSi2O6, Na2Ca2Si3O9) due to overlapping of nitrates decomposition and silicates crystallisation temperatures. (nitk.ac.in)
Stable1
With the data, scientists can more quickly identify the best conditions for manufacturing the most stable crystalline form with a desirable crystal morphology -- a crystal with a plate-like shape instead of a crystal with a rod-like shape -- of an API and scale up the crystallization of stable forms. (eurekalert.org)
Binary1
Comment: supersaturation in binary solid solution-aqueous solution systems (Comment on "Crystallization kinetics in binary solid solution - aqueous solution systems" by Alexander G. Shtukenberg, Yurii O. Punin and Pavel Azimov, American Journal of Science, v. 306, p. 553-574. (ucm.es)
Mechanism2
Results obtained have shown different crystallization mechanism in the investigated films. (scirp.org)
The more exothermic crystallization enthalpies for thinner films are indicative of a decrease in their degree of crystallinity. (cambridge.org)
Bulk2
This indicates that the formation of CaLaB(7)O(13) is dominated by a surface crystallization, whereas LaBO(3) is formed by three-dimensional bulk crystallization with an increased rate of nucleation. (csircentral.net)
This observation is further validated by microstructural investigation, which shows the formation of CaLaB(7)O(13) phase as a surface layer and a bulk crystallization of LaBO(3) in optimally ceramized samples. (csircentral.net)
Polycrystalline3
These results demonstrate the importance of system size effects to the formation and annealing of polycrystalline states in colloidal crystallization. (aiche.org)
Strain and interactions at grain boundaries during solid-phase crystallization are known to play a significant role in the functional properties of polycrystalline materials. (lu.se)
Our results bring in situ imaging with coherent X-rays towards understanding and controlling the crystallization processes of transparent conductive oxides and other polycrystalline materials at the nanoscale. (lu.se)
Formation1
The activation energies of the first (formation of CaLaB(7)O(13)) and second (formation of LaBO(3)) crystallization events have been estimated using the conventional methods of Kissinger, Augis-Bennett, Ozawa, and Matusita, and the results are found to be in good agreement with each other. (csircentral.net)
Composition2
The latter value is consistent with the reported crystallization enthalpy for YSZ powder of the same composition prepared by precipitation from aqueous solution. (cambridge.org)
All films show long incubation time for crystallization, or time required to reach a critical nuclei size which lead to an abrupt increasing in the crystalline volume fraction. (scirp.org)