Alloy nanoparticles;
Swift heavy ions;
Thermal spike;
Phase decomposition;
X-ray photo electron spectroscopy;
OPTICAL-PROPERTIES;
THIN-FILMS;
TRACKS;
D O I:
10.1016/j.nimb.2016.02.034
中图分类号:
TH7 [仪器、仪表];
学科分类号:
0804 ;
080401 ;
081102 ;
摘要:
AuFe alloy nanoparticles embedded in silica matrix are synthesized using atom beam sputtering technique and subsequently irradiated with 100 MeV Au ions at various fluences ranging from 1 x 10(13) to 6 x 10(13) ions/cm(2). The X-ray diffraction, absorption spectroscopy, X-ray photo electron spectroscopy and transmission electron microscopy results show that swift heavy ion irradiation leads to decomposition of AuFe alloy nanoparticles from surface region and subsequent reprecipitation of Au and Fe nanoparticles occur. The process of phase decomposition and reprecipitation of individual element nanoparticles is explained on the basis of inelastic thermal spike model. (C) 2016 Elsevier B.V. All rights reserved.
机构:
Univ Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USAUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Cusick, Alex B.
Lang, Maik
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h-index: 0
机构:
Univ Tennessee, Nucl Engn, Knoxville, TN 37996 USAUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Lang, Maik
Zhang, Fuxiang
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h-index: 0
机构:
Univ Michigan, Earth & Environm Sci, Ann Arbor, MI 48109 USAUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Zhang, Fuxiang
Zhang, Jiaming
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h-index: 0
机构:
Stanford Univ, Geol Sci, Stanford, CA 94305 USAUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Zhang, Jiaming
Kluth, Patrick
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机构:
Australian Natl Univ, Res Sch Phys & Engn, Canberra, ACT 2601, AustraliaUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Kluth, Patrick
Trautmann, Christina
论文数: 0引用数: 0
h-index: 0
机构:
GSI Helmholtz Ctr Heavy Ion Res, D-64291 Darmstadt, Germany
Tech Univ Darmstadt, D-64287 Darmstadt, GermanyUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Trautmann, Christina
Ewing, Rodney C.
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h-index: 0
机构:
Univ Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA
Univ Michigan, Earth & Environm Sci, Ann Arbor, MI 48109 USA
Stanford Univ, Geol Sci, Stanford, CA 94305 USAUniv Michigan, Mat Sci & Engn, Ann Arbor, MI 48109 USA