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QUIZ: History of Atomic Structure
QUIZ: History of Atomic Structure

... D) positive particles formed in the foil ...
Density of Electron States and Relaxation Time of Intercalated Layer
Density of Electron States and Relaxation Time of Intercalated Layer

... serve as materials on the base of those ones, can create the spintronics elements, particularly, as the medium structures or spin-gated transistors. Essential success in hybrid spintronics [2] is due to the intercalation of nanostructures. That is why complex studies of such structures provide addit ...
Modelling pharmaceutical crystallisation processes
Modelling pharmaceutical crystallisation processes

... development cost and time-to-market through the use of first principles based modelling tools. Traditionally, lumped-parameter mechanistic modelling approaches are used for predicting CSD in batch agitated crystallisers which assume perfectly mixed conditions in the reactor. However, it is well know ...
Perspective for Journal of Pharmaceutical Science
Perspective for Journal of Pharmaceutical Science

... all other crystalline forms, are subject to polymorphism and solvate formation, thus requiring the same form identification studies as are needed for a neutral compound. A remarkable example of co-optimization of properties is indinavir (HIV protease inhibitor), which is marketed as the sulfate salt ...
Experimental Methods for Macromolecular Structure Determination
Experimental Methods for Macromolecular Structure Determination

... The Limitations of X-ray Crystallography X-ray crystallography also has some major limitations:  The information provides only one snapshot of the protein that does not reflect its dynamic behavior  Contacts between molecules in the crystal (crystal packing) and the dense packing might affect the ...
igneous rocks
igneous rocks

... Other types of textures: A glassy texture occurs when rock freezes instantly. There are no crystals (obsidian). A porphyritic texture is a rock with large crystals surrounded by finegrained crystals (ryolite). ...
FTIR, XRD, TGA Investigations of L
FTIR, XRD, TGA Investigations of L

... Thermo gravimetric and differential thermal analyses give information regarding phase transition, water of crystallization and different stages of decomposition of the crystal system. The thermo gravimetric analysis of MAP single crystal was carried out between 30 °C and 300 °C in the nitrogen atmos ...
AS Guide To Igneous Rocks
AS Guide To Igneous Rocks

... Intrusive Igneous rocks Molten rock (magma) that solidifies at depth within the lithosphere is intrusive Intrusive rocks may eventually be exposed at the earth’s surface following a long period of uplift and erosion ...
I. States of Matter
I. States of Matter

...  Extensive Property ...
The Viscoelastic phenomena Viscoelasticity is a general property of
The Viscoelastic phenomena Viscoelasticity is a general property of

... Viscoelasticity is a general property of polymeric solids; the solid is elastic in that it recovers, but is viscous in that it creeps. Polymers are usually described as viscoelastic materials, a general term emphasizes their intermediate position between viscous liquids and elastic solids. The major ...
Synthesis, Structure and Bonding of SrCa2In2Ge: A New Zintl Phase
Synthesis, Structure and Bonding of SrCa2In2Ge: A New Zintl Phase

... obtain high yields (>80%). The reactions were performed at 1050 °C over 5 days with prior heating under dynamic vacuum at 350-450 °C for 5-8 h. The reaction was terminated by rapid quenching to room temperature. All sample manipulations were done within a purified Argon atmosphere glovebox. The titl ...
www.ualberta.ca - University of Alberta
www.ualberta.ca - University of Alberta

... all other crystalline forms, are subject to polymorphism and solvate formation, thus requiring the same form identification studies as are needed for a neutral compound. A remarkable example of co-optimization of properties is indinavir (HIV protease inhibitor), which is marketed as the sulfate salt ...
Paper
Paper

... It follows from Eq. (6) that the refractive index depends on the light intensity in the media with the cubic nonlinearity. This effect causes self-interaction of the light waves; resulting in self-focusing of a light beam, phase self-modulation of pulses, etc. n2 is an adequate characteristic of the ...
Hybrid gold single crystals incorporating amino
Hybrid gold single crystals incorporating amino

... crystals grown in the presence of amino acids are indeed single crystalline, as shown by fast Fourier transforms (FFT) applied to lattice images (Figure S1). To find out whether the amino acids had become incorporated into the single crystals of gold, we first analyzed the Au crystals chemically. We ...
Crystal Structure of Mixed-metal Phosphite, Pb2Ga(HPIIIO3)3(PVO3)
Crystal Structure of Mixed-metal Phosphite, Pb2Ga(HPIIIO3)3(PVO3)

... thermostability and chemical stability have been exploited their application in various fields [9-13]. For example, two maingroup metal phosphites, namely, RbIn(HPO3)2 [9] and SnHPO3 [10], exhibit second harmonic generation (SHG) responses. Two alkali transition metal phosphites, namely, Li3Fe2(HPO3 ...
CAUSES OF EARTHQUAKES Ch. 3, pp. 75
CAUSES OF EARTHQUAKES Ch. 3, pp. 75

... (for example, ocean lithosphere and most of continental lithosphere) Hot rock is ductile (for example, the asthenosphere and some parts of continental plates) Both lithosphere and asthenosphere act elastic if stress change is sudden and small (e.g., seismic waves) In ductile materials, elastic stres ...
SAMPLE QUESTION PAPER CHEMISTRY (043) CLASS XII (2013-14)
SAMPLE QUESTION PAPER CHEMISTRY (043) CLASS XII (2013-14)

... Q.15 What do you mean by lanthanoid contraction what are its consequences Q.16 State reasons for (a) All P-Cl bonds in PCl5 molecules ate not equivalent (b) N2 is inert at room temperature Or (a) NH3 is stronger base than PH3 (b) SF6 is kinetically is an inert substance Q.17 Mention two important us ...
Igneous Rocks
Igneous Rocks

... formed”, is a rock type that forms from the solidification of a molten mineral solution. ...
Hydrothermal Synthesis and Single Crystal X
Hydrothermal Synthesis and Single Crystal X

... solution as complexes, in whose formation water itself or very soluble “mineralizers” can participate. For sparingly soluble compounds with high melting point, a highly soluble transport substance is added to increase the “solubility”, which is termed as “mineralizer”. Thus, one can obtain the condi ...
Lecture 45
Lecture 45

... • “Photonic crystals are composed of periodic dielectric or metallo-dielectric nanostructures that affect the propagation of electromagnetic waves (EM) in the same way as the periodic potential in a crystal affects the electron motion by defining allowed and forbidden electronic energy bands. Photon ...
Physical and Chemical Properties
Physical and Chemical Properties

... • The temperatures at which the solid form of the element or compound is at equilibrium with the liquid form. • Basically the range at which the solid changes its state •The melting point of into a liquid. water is 0 degrees Celsius ...
Ceramic Glass
Ceramic Glass

... Ceramics with an entirely glassy structure have certain properties that are quite different from those of metals. When metal in the liquid state is cooled, a crystalline solid precipitates when the melting freezing point is reached; however, with a glassy material, as the liquid is cooled it becomes ...
2. Objectives - McMaster Materials Science and Engineering
2. Objectives - McMaster Materials Science and Engineering

... coarsening. The kinetics of microstructure growth as a function of thermodynamic driving forces has been well studied [1-10]. These studies, however, often neglect the critical role of dislocation drag on growth kinetics. Indeed there have been conflicting reports in the literature claiming that dis ...
alanine barium chloride - Rasayan journal of chemistry
alanine barium chloride - Rasayan journal of chemistry

... centre mostly to polar symmetry groups. Their crystals have properties whose symmetry is described by odd -rank tensors such as pyro-electric effect, spontaneous electric polarization, piezoelectric effect, generation of second optical harmonics, etc. Moreover crystals that belong to the eleven enan ...
Optical and magneto-optical properties of UPtGe
Optical and magneto-optical properties of UPtGe

... polar magneto-optical Kerr effect has been measured between 1 and 4.5 eV at 12 T. At the lower energies both measurements confirm the strong anisotropy of the thermodynamic data. At higher energies additional band structure effects are found. ...
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Colloidal crystal



A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules. A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a close-packed locally periodic structure under moderate compression. Bulk properties of a colloidal crystal depend on composition, particle size, packing arrangement, and degree of regularity. Applications include photonics, materials processing, and the study of self-assembly and phase transitions.
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