Structure evolution of mesoporous silica SBA-15 and MCM-41 under swift heavy ion irradiation

被引：9

作者：

Lou, Y. ^{[1
]}

Toquer, G. ^{[1
]}

Dourdain, S. ^{[1
]}

Rey, C. ^{[1
]}

Grygiel, C. ^{[2
]}

Simeone, D. ^{[3
]}

Deschanels, X. ^{[1
]}

机构：

[1] CEA CNRS UM2 ENSCM Marcoule, ICSM UMR 5257, F-30207 Bagnols Sur Ceze, France

[2] CIMAP GANIL, F-14070 Caen 5, France

[3] CEA Saclay, CEA, DEN, LRC CARMEN, F-91191 Gif Sur Yvette, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2015年 / 365卷

关键词：

Ion irradiation; Radiation compaction; Mesoporous silica; RADIATION COMPACTION; ADSORPTION; TRACKS;

D O I：

10.1016/j.nimb.2015.08.009

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two types of mesoporous silica pellets, SBA-15 and MCM-41, were prepared and irradiated by Ne-20 278 MeV (max. fluence = 2.5 x 10(14) ion/cm(2)) and Ar-36 493 MeV beams (max. fluence = 1 x 10(13) ion/cm(2)). Irradiated and non-irradiated samples were characterized by nitrogen adsorption/ desorption analysis, small angle X-ray scattering, and infrared spectrometry. The different behaviours of the two materials under different conditions are observed and discussed. We point out that SBA-15 is more robust than MCM-41 under irradiation. (C) 2015 Elsevier BM. All rights reserved.

引用

页码：336 / 341

页数：6

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