Nuclear reaction analysis of helium diffusion in britholite

被引：24
作者：
Costantini, JM
Trocellier, P
Haussy, J
Grob, JJ
机构：
[1] CEA Saclay, DMN, SRMA, F-91191 Gif Sur Yvette, France
[2] CEA Saclay, CNRS, Lab Pierre Sue, F-91191 Gif Sur Yvette, France
[3] CEA, DIF, DCRE, SEIM, F-91680 Bruyeres Le Chatel, France
[4] CNRS, PHASE, F-67037 Strasbourg, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2002年 / 195卷 / 3-4期
关键词：
britholite; helium depth profiling; thermal diffusion;
D O I：
10.1016/S0168-583X(02)01137-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have derived the helium bulk diffusion constants in britholite (Ca9Nd(PO4)(5)(SiO4)F-2) from non-destructive He-3 depth profiling using the resonant He-3(d, p) He-4 nuclear reaction. Results have been obtained on a polycrystalline sintered ceramics implanted with 3 MeV He-3(+) ions at a depth around 9 pin then annealed in air at temperatures between 200 and 400 degreesC. The activation energy for helium diffusion is around 1.1 eV. These data are in good agreement with literature data based on ERDA depth profiling of 27 keV He-4(+) ions implanted in natural (Durango) or synthetic fluorapatite single crystals. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码：400 / 407
页数：8
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