STRUCTURE INVESTIGATIONS OF THIN CARBON FOILS

被引：25

作者：

DOLLINGER, G ^{[1
]}

MAIERKOMOR, P ^{[1
]}

MITWALSKY, A ^{[1
]}

机构：

[1] SIEMENS AG,RES LABS,W-8000 MUNICH 83,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 303卷 / 01期

关键词：

D O I：

10.1016/0168-9002(91)90767-K

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Carbon foils produced by laser plasma ablation-deposition (lpa-foils), by the glow discharge process (gd-foils) and by evaporation-condensation (ec-foils) were investigated by high resolution transmission electron microscopy and electron diffraction. A quantitative analysis is presented for the degree of anisotropic orientation of the quasi-graphitic nanocrystals in the polycrystalline foils. In the new type lpa-foils the nanocrystals are nearly isotropically oriented, in contrast to the anisotropic alignment in the ec-and gd-foils. This random orientation is responsible for a longer lifetime of lpa-foils when irradiated with heavy ions.

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页码：79 / 87

页数：9

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