VALENCE-BAND STATES OF ION-BOMBARDED POLYSTYRENE

被引：13

作者：

TERRASI, A

FOTI, G

HWU, Y

MARGARITONDO, G

机构：

[1] UNIV CATANIA,DIPARTMENTO FIS,I-95129 CATANIA,ITALY

[2] UNIV WISCONSIN,CTR SYNCHROTRON RADIAT,STOUGHTON,WI 53589

[3] ECOLE POLYTECH FED LAUSANNE,PHB ECUBLENS,DEPT PHYS,CH-1015 LAUSANNE,SWITZERLAND

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 03期

关键词：

D O I：

10.1063/1.349491

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ion-bombarded polystyrene with a 0.5-keV Ar+ beam has been investigated by means of photoelectron spectroscopy performed with synchrotron radiation. After a dose of 10(15) ions/cm2 the evolution of the valence band of the bombarded sample towards an amorphous carbonlike configuration is reported. From the analysis of valence-band spectra we estimated the out-diffusion of hydrogen and showed that its electronic states remain well identified and stable until the hydrogen presence is about 35% with respect to the pristine sample. Finally, comparison with mass spectroscopy measurements on deuterated polystyrene has been performed to determine hydrogen evolution during the ion irradiation.

引用

页码：1885 / 1887

页数：3

共 12 条

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[2]

BRIDWELL LB, IN PRESS NUCL INSTRU

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