Non crystalline solids Research Papers (original) (raw)

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- Materials Engineering, Nanoparticles, Transmission Electron Microscopy, Surface modification
- by Anup Thakur
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- Materials Engineering, Amorphous Materials, Thin Film, Non crystalline solids
- by Fernanda Margaca
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- Materials Engineering, Heat Treatment, Sample Preparation, Non crystalline solids
- by Kamal Dasgupta
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- Materials Engineering, Low Dose, Non crystalline solids, Dose rate
- by Michael Papka
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- Engineering, Materials Engineering, Geochemistry, Molecular Dynamics
- by Homa Maleki
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- Materials Engineering, Non crystalline solids
- by xuesong Hu
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- Materials Engineering, X Rays, Non crystalline solids, Time Resolved
- by Manisha Upadhyay
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- Materials Engineering, Non crystalline solids
- by Zdravko Kutnjak
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- Materials Engineering, Non crystalline solids, Non
- by Radost Pascova
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- Materials Engineering, Non crystalline solids
- by Thadeus Reis
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- Materials Engineering, Non crystalline solids
- by camila pereira
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- Materials Engineering, Raman Spectroscopy, Heat Treatment, Non crystalline solids
- by Charles R Kurkjian
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- Materials Engineering, Residual Stresses, Non crystalline solids, Birefringence
- by Andrzej Wolan
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- Organic Chemistry, Non crystalline solids, Nitrogen
- by mitsa vladimir
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- Materials Engineering, Condensed Matter Physics, Quantum Physics, Band Gap
- by Rafael Cossiello
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- Materials Engineering, Chemical Engineering, Physics, Materials Science
- by Alexey Buzykaev
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- Materials Engineering, Monte Carlo, Magnetic field, Non crystalline solids
- by Angela Andrade
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- Materials Engineering, Kinetics, Glass, Sol Gel Process
- by Martin Wilding
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- Materials Engineering, Non crystalline solids
- by Naoki Shinyashiki
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- Materials Engineering, Dielectric Function, Activation Energy, Non crystalline solids
- by David Avnir
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- Materials Engineering, Structural Dynamics, Silica, Non crystalline solids
- by Bruno Boizot
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- Materials Engineering, Raman Spectroscopy, X ray absorption spectroscopy, Non crystalline solids
- by Mira Naftaly
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- Materials Engineering, Terahertz time-domain spectroscopy, Silica, Power Law
- by Ulrich Sternberg
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- Materials Engineering, Non crystalline solids
- by Long Zhang
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- Materials Engineering, Glass, Transparency, Heavy Metal
- by Jin Young Jang
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- Materials Engineering, Leakage Current, Non crystalline solids, Hydrogenated Amorphous Silicon
- by Silvia Caponi and +1
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- Materials Engineering, Silica, Pore Size, Non crystalline solids
- by Alessandro Lauria
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- Materials Engineering, Non crystalline solids
- by Pankaj Sharma
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- Materials Engineering, Non crystalline solids
- by Andrzej M Kłonkowski
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- Materials Engineering, Optical Spectroscopy, Red Light, Silica
- by J. Fransaer
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- Materials Engineering, Non crystalline solids
- by Philippe Dillmann
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- Materials Engineering, Crystal Growth, Non crystalline solids, Iron Oxide
- by Alicia Duran
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- Materials Engineering, Chemistry, Microstructure, Nuclear Magnetic Resonance
- by Delson Torikai
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- Materials Engineering, Materials Science, Non crystalline solids
- by Paulino Jose Garcia Nieto
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- Materials Engineering, Non crystalline solids
- by Bill Bergman
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- Materials Engineering, Non crystalline solids
- by Ioannis Kartsonakis
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- Materials Engineering, Collagen Cross-linking, Corrosion, Non crystalline solids
- by Abdullah Yildiz
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- Materials Engineering, Thin Film, Titanium dioxide, Non crystalline solids
- by Gael Poirier
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- Materials Engineering, Nuclear Magnetic Resonance, Solid State NMR, Raman
- by Sidney Ribeiro
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- Materials Engineering, Differential scanning calorimetry, DSC, Non crystalline solids
- by Carlo Ricci
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- Materials Engineering, Microstructure, Glass, Optical Spectroscopy

Bioactive glasses have attracted considerable interest in recent years, due to their technological application, especially in biomaterials research. Differential scanning calorimetry (DSC) has been used in the study of the crystallization mechanism in the SiO2–Na2O–CaO–P2O5 glass system, as a function of particle size. The curve of the bulk glass presents a slightly asymmetric crystallization peak that could be deconvoluted into two separate peaks, their separation being followed in the form of powder glasses. Also, a shift of the crystallization peaks to lower temperatures was observed with the decrease of the particle size. FTIR studies – that are confirmed by XRD measurements – proved that the different peaks could be attributed to different crystallization mechanisms. Moreover, it is presented the bioactive behavior of the specific glass as a function of particle size. The study of bioactivity is performed through the process of its immersion in simulated human blood plasma (simulated body fluid, SBF) and the subsequent examination of the development of carbonate-containing hydroxyapatite layer on the surface of the particles. The bioactive response is improved with the increase of the particle size of powders up to 80 μm and remains almost unchanged for further increase, following the specific surface to volume ratio decrease.

- by ELEANA KONTONASAKI
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- Materials Engineering, Mechanical Engineering, Chemical Engineering, Kinetics
- by Adama Tandia
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- Materials Engineering, Modeling, Elasticity, Non crystalline solids
- by Renaud Podor and +1
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- Materials Engineering, Non crystalline solids, Non
- by Alberto Quaranta
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- Materials Engineering, Non crystalline solids

The energy resolution of the Laplace transformation method for measuring localized-state distributions, based on the analysis of transient photoconductivity (TPC) in amorphous semiconductors, has been improved analytically. The improvement of the energy resolution of the Laplace transformation method is shown for representative localized-state distributions often found in amorphous semiconductors using computer-generated photocurrent transients. The most important finding is that the improved Laplace transformation (LT) method can map a localized-tail-state distribution whose width is smaller than kT.

- by Hiroyoshi Naito
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- Materials Engineering, Non crystalline solids, Laplace Transform
- by Jebreel Khoshman
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- Materials Engineering, Near Infrared, Thin Film, Non crystalline solids