Investigation of the Free Volume Changes in Thermally Treated Polyethylene by Positron Annihilation

• Authors: W. Osoba
• Languages of publication: EN

Abstracts

EN

Positron lifetimes measurements in polyethylene were performed. Samples of the polyethylene were heated in the temperature range from 320 to 570 K. After cooling, the samples were used for the lifetime measurements in air at room temperature. A conventional fast-slow coincidence lifetime spectrometer was used for the measurements. Mean free volumes radii were calculated from the lifetime data.

Keywords

EN

71.60.+z; 78.70.Bj

Discipline

• 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)
• 71.60.+z: Positron states(for positron annihilation, see 78.70.Bj)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1999
• Volume: 95
• Issue: 4
• Pages: 632-636

Dates

published

1999-04

Contributors

author

W. Osoba

• Institute of Physics, Silesian University, Uniwersytecka 4, 40-007 Katowice, Poland

Identifiers

DOI

10.12693/APhysPolA.95.632