Atomic-scale non-crystalline structure of liquids and glasses
The structure of liquids, glasses and other non-crystalline solids is characterized by the absence of long-range order which defines crystalline materials. Liquids and amorphous solids do, however, possess a rich and varied array of short to medium range order, which originates from chemical bonding and related interactions. Metallic glasses, for example, are typically well described by the dense random packing of hard spheres, whereas covalent systems, such as silicate glasses, have sparsely packed, strongly bound, tetrahedral network structures. These very different structures result in materials with very different physical properties and applications.
The study of liquid and glass structure aims to gain insight into their behavior and physical properties, so that they can be understood, predicted and tailored for specific applications. Since the structure and resulting behavior of liquids and glasses is a complex many body problem, historically it has been too computationally intensive to solve using quantum mechanics directly. Instead, a variety of diffraction, nuclear magnetic resonance (NMR), molecular dynamics, and Monte Carlo simulation techniques are most commonly used.
Structure of a classical monatomic liquid. Atoms have many nearest neighbors in contact, yet no long-range order is present.
and 27 Related for: Structure of liquids and glasses information
The structureofliquids, glassesand other non-crystalline solids is characterized by the absence of long-range order which defines crystalline materials...
all amorphous states, i.e. glasses, other amorphous solids, supercooled liquids, ordinary liquids or fluids. A liquid–liquid transition however, is one...
science Structureofliquidsandglasses Amorphous brazing foil Some scientists only consider amorphous metals produced by rapid cooling from a liquid state...
of the superconductors YBa2Cu2O7−δ, Nd2−xCexCuO4−y; as well as perovskites and novel bismuth sillenites. Order and disorder Structureofliquidsand glasses...
condensed state of matter that exhibits a glass transition. The structureofglasses is similar to that of their parent supercooled liquids (SCL), and they spontaneously...
See the structureofliquidsandglasses for more information on non-crystalline material structure. For higher values, the surface diffusion of deposited...
described below as nonclassical states of matter. Solids can be transformed into liquids by melting, andliquids can be transformed into solids by freezing...
Supercooled Liquids, andGlasses in Frozen Aqueous Solutions". In Gruverman, Irwin J. (ed.). Mössbauer Effect Methodology: Volume 6 Proceedings of the Sixth...
Glasses, also known as eyeglasses and spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's...
degrades the useful properties of materials andstructures including mechanical strength, appearance, and permeability to liquidsand gases. Corrosive is distinguished...
While ordinary liquids such as water and gasoline are predominantly made of electrically neutral molecules, ionic liquids are largely made of ions. These...
metalworking, and hydraulic systems for their good lubrication properties. Many liquids are used as solvents, to dissolve other liquids or solids. Solutions...
Liquid crystal (LC) is a state of matter whose properties are between those of conventional liquidsand those of solid crystals. For example, a liquid...
Patashinski and his students B. Shumilo, A. Mitus, L.Son studied the local structureofliquidsandglasses, and predicted liquid-liquid phase transitions...
real spin glasses, are widely studied and applied. Spin glassesand the complex internal structures that arise within them are termed "metastable" because...
Many liquidsand aqueous solutions are highly transparent. Absence of structural defects (voids, cracks, etc.) and molecular structureof most liquids are...
thermal expansion ofliquids is usually higher than in solids because the intermolecular forces present in liquids are relatively weak and its constituent...
egg and bacon ice cream. Liquid nitrogen has also become popular in the preparation of cocktails because it can be used to quickly chill glasses or freeze...
of the following processes: through metastable phase separation in borosilicate glasses (such as in their system SiO2-B2O3-Na2O), followed by liquid extraction...
(2017-01-18). "Kinetic and structural fragility—a correlation between structuresand dynamics in metallic liquidsandglasses". Journal of Physics: Condensed...
second compound many types of aluminate glasses can be formed. The glasses produced display a range of interesting and useful properties, such as high refractive...
class of metal-organic frameworks (MOFs) that are topologically isomorphic with zeolites. ZIF glasses can be synthesized by the melt-quench method, and the...
Kamitsos EI (2017). "Synthesis, thermal and structural properties of pure TeO2 glass and zinc-tellurite glasses". Journal of Non-Crystalline Solids. 457: 116–125...
undercooled liquids, when the actual temperature of the liquid is above or below the boiling or freezing temperature, but the material is still in a liquid state)...
long-range ordered structure; however, both glassesand crystals have the same building blocks, i.e. polyhedra consisting of cations and anions bound together...
Dynamics of Glass-Forming Liquids: A Mode-Coupling Theory." Lubchenko, V. Wolynes; Wolynes, Peter G. (2007). "Theory of Structural Glassesand Supercooled...
Global Information