'Crystal thickness' diaporamas de présentation

ALEXEI SYTOV Research Institute for Nuclear Problems, Belarusian State University

CRYSTAL-BASED COLLIMATION SYSTEM AS AN ALTERNATIVE WAY TO SOLVE THE COLLIMATION PROBLEM FOR FUTURE HIGH ENERGY ACCELERATORS. ALEXEI SYTOV Research Institute for Nuclear Problems, Belarusian State University. The LHC luminosity upgrade. The beam luminosity will increase with a factor 10 !.

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Crystallization

Crystallization. Nucleation Tendency for random tangled molecules in the melt to become aligned and form small ordered regions (nuclei) Homogeneous Heterogeneous Growth r = v t Spherulite radius v: growth rate Growth rate strongly depends on the crystallization temperature.

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A Laue-Pie in the Sky - is it really worth the hazzle ?

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XRD for polymers

XRD for polymers. X-ray Diffraction. Semi-crystalline polymers: arcs not spot More diffuse (crystallites are usually small, a few hundred A); many imperfection. X-ray diffraction patterns for various morphology. Solution-grown single crystal.

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Precession Animation

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? normalize substituent length by number of backbone carbons per mer, N

Structuring Polymer Crystals Through Macromolecular Architecture Richard A. Register, Princeton University, DMR-0505940.

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