Search

Your search keyword '"D Chvostova"' showing total 2 results
Start Over Author "D Chvostova" Language undetermined
2 results on '"D Chvostova"'

1. Hybrid PLD technique for nitrogen rich CN/sub x/ layers

Author

Ján Lančok, V. Perina, Anna Macková, Miroslav Jelinek, D. Chvostova, Jiri Bulir, and M. Simeckova

Subjects
chemistry.chemical_classification, Materials science, Band gap, Analytical chemistry, chemistry.chemical_element, Nitrogen, Cathode, Pulsed laser deposition, law.invention, chemistry, law, Compounds of carbon, Excitation, Deposition (law), Stoichiometry
Abstract

Summary form only given. In research of proposed superhard /spl beta/-C/sub 3/N/sub 4/ layers with pulsed laser deposition (PLD) technique a problem arises of how to reach high nitrogen content in layers. Using PLD only, N/C ratio usually does not exceed values of 0.5-0.7. In our new deposition arrangement, in which PLD is combined with additional radiofrequency (13 56 MHz, 300 W) and hollow cathode discharges for nitrogen excitation, an N/C of around 1 was reached.

Published
2002
Full Text
View/download PDF

2. Ablation of organic polymers by 46.9-nm-laser radiation

Author

A. R. Präg, Zdenek Otcenasek, M. Grisham, Georgiy O. Vaschenko, Jacek Krzywinski, Jerzy B. Pelka, J. Krasa, Michal Bittner, Libor Juha, Carmen S. Menoni, Jorge J. Rocca, Z. Pientka, Andrzej Wawro, J. Ullschmied, and D. Chvostova

Subjects
Materials science, Laser ablation, Physics and Astronomy (miscellaneous), medicine.medical_treatment, Ablation, Laser, Photochemistry, law.invention, chemistry.chemical_compound, chemistry, law, Extreme ultraviolet, medicine, Tetrafluoroethylene, Irradiation, Methyl methacrylate, Polyimide
Abstract

We report results of the exposure of poly(tetrafluoroethylene) -(PTFE), poly(methyl methacrylate) -(PMMA), and polyimide -(PI) to intense 46.9-nm-laser pulses of 1.2-ns-duration at fluences ranging from ∼0.1 to ∼10J∕cm2. The ablation rates were found to be similar for all three materials, ∼80–90nm∕pulse at 1J∕cm2. The results suggest that the ablation of organic polymers induced by intense extreme ultraviolet laser radiation differs from that corresponding to irradiation with longer wavelengths.

Published
2005
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results