نتایج جستجو برای: crystalline phase

تعداد نتایج: 632043  

Journal: :The journal of physical chemistry. B 2013
Bao Fu Qiao Monica Olvera de la Cruz

Crystalline vesicles are promising nanomaterials due to their mechanical stability in various environments. To control their fabrication, it is essential to understand the effects of different experimental conditions on crystallization. Here we perform atomistic molecular dynamics simulations of anionic lipid membranes of 1,2-dilauroyl-sn-glycero-3-phosphol-L-serine. In the presence of Na(+) mo...

Journal: :Biochemistry 1991
W C Wimley T E Thompson

The rates of spontaneous interbilayer and transbilayer exchange of [3H]dimyristoylphosphatidylcholine ([3H]DMPC) were examined in DMPC and DMPC/dimyristoylphosphatidylethanolamine (DMPE) large unilamellar vesicles in the liquid-crystalline-, gel-, and mixed-phase states. DMPC desorption rates from either gel or liquid-crystalline phases containing DMPE are very similar to the corresponding rate...

Journal: :Science 2006
Oleg G Shpyrko Reinhard Streitel Venkatachalapathy S K Balagurusamy Alexei Y Grigoriev Moshe Deutsch Benjamin M Ocko Mati Meron Binhua Lin Peter S Pershan

X-ray measurements reveal a crystalline monolayer at the surface of the eutectic liquid Au82Si18, at temperatures above the alloy's melting point. Surface-induced atomic layering, the hallmark of liquid metals, is also found below the crystalline monolayer. The layering depth, however, is threefold greater than that of all liquid metals studied to date. The crystallinity of the surface monolaye...

2003
T. Cardinal L. N. Glebova V. I. Smirnov

Spontaneous and photo-induced crystallization have been investigated in fluorinated silicate glass by means of X-ray diffraction and optical interferometry. This glass is a photo-sensitive material for high-efficiency phase volume hologram recording. Variations of a refractive index in this glass are controlled by UV irradiation followed by a thermal development which is photo-thermo-refractive...

Journal: :Nano letters 2014
Anmin Nie Yingchun Cheng Yihan Zhu Hasti Asayesh-Ardakani Runzhe Tao Farzad Mashayek Yu Han Udo Schwingenschlögl Robert F Klie Sreeram Vaddiraju Reza Shahbazian-Yassar

In rechargeable lithium-ion batteries, understanding the atomic-scale mechanism of Li-induced structural evolution occurring at the host electrode materials provides essential knowledge for design of new high performance electrodes. Here, we report a new crystalline-crystalline phase transition mechanism in single-crystal Zn-Sb intermetallic nanowires upon lithiation. Using in situ transmission...

Journal: :The journal of physical chemistry. B 2006
Vitaly Kocherbitov Olle Söderman

Dimethyldodecylamine-N-oxide (DDAO) has only one polar atom that is able to interact with water. Still, this surfactant shows very hydrophilic properties: in mixtures with water, it forms normal liquid crystalline phases and micelles. Moreover, there is data in the literature indicating that the hydration of this surfactant is driven by enthalpy while other studies show that hydration of surfac...

Journal: :New Journal of Chemistry 2022

Crystalline binary mixtures of azobenzene and 4-methoxyazobenzene are reported form photochemical phase change materials that possess working temperatures in the range −58 °C to 31 °C.

2001
John C. Blackburn Peter K. Kilpatrick

Deuterium quadrupole NMR line shapes were simulated to match experimental spectra of liquid crystalline phases observed in the cesium and sodium n-tetradecanoate-Dz0 systems. The line shapes of single-phase samples with both uniaxial and biaxial symmetry were accurately simulated. Line shape simulations were matched to experimental spectra by minimizing the sum of squared residuals on the basis...

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