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Formation and dynamics of easy orientation axis in magnetic field on PVCN-F surface

Buluy O., Reznikov Y., Slyusarenko K., Nobili M., Reshetnyak V.

Opto-Electronics Review

2006

Vol. 14, No. 4

293-297

We describe the experiments on a magnetically-induced drift of the easy axis on a soft surface of photoaligning material fluoro-polyvinyl-cinnamate. We found unexpected partial relaxation of the drift of the easy axis after switching the magnetic field off. This relaxation cannot be explained in a framework of the existing models and requires additional assumptions about the drift process. We propose a model that explains the experimental data suggesting elastic-like behaviour of the polymer fragments during the drift of the easy axis.

Plasma methane conversion using gliding arc discharges

Ruszniak J., Krawczyk K., Sentek J., Schmidt-Szałowski K.

Polish Journal of Chemical Technology

2003

Vol. 5, nr 3

15-16

The methane transformation into C2 hydrocarbons was studied under plasma conditions using a new developed laboratory gliding arc (Glid-Arc) reactor operated at the frequency of 50 Hz. The methane processing was carried out in gas mixtures CH4+H2 and acetylene was found to be the main product with a small amount of ethylene. The overall methane conversion ranging from 25 to 36% was obtained and the selectivity of methane conversion to acetylene was generally high.