The growth morphology of the {100} surface of KDP (archerite) on the molecular scale

Article Abstract:

The study examines the surface morphology of the {100}-face growth hillock of potassium dihydrogen phosphate (KDP) through first-principles calculations and using periodic-bonded-chain (PBC) theory. The calculated detachment energy of monomeric KH2PO4 units from the {010}- and {001}-facing steps qualitatively correlates with the orientation of fast and slow moving steps observed in experimental studies.

Author: DeYoreo, J.J., Stack, A.G., Rustad, J.R., Land, T.A., Casey, W.H.
Potassium phosphates, Chain reactions

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Development of porosity in a char during reaction with steam or supercritical water

Article Abstract:

Two series of activated carbon is prepared by reaction of a char (from olive stones) with supercritical water (SCW) with the aim of studying the effect of temperature and residence time on the development of porosity. The results are compared with those obtained using the same char but with classical activation with stem.

Author: Molina-Sabio, Miguel, Sanchez-Montero, Jesus M., Juarez-Galan, Juan M., Salvador, Francisco, Rodriguez-Reinoso, Francisco; Salvador, Aurelio
Porosity, Carbon compounds

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Role of crystal-amorphous interaction in phase equilibria of crystal-amorphous polymer blends

Article Abstract:

A self-consistent theory is built up for determination of phase diagrams of a crystalline polymer solution. All possible interactions involving amorphous-amorphous and crystal-amorphous interactions are considered.

Author: Matkar, Rushikesh A., Kyu, Thein
Phase rule and equilibrium, Phase equilibrium

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Subjects list: Analysis, Chemical reactions, Chemical properties
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