Atomic dynamics of tin nanoparticles embedded into porous glass

被引：12

作者：

Parshin, P. P. ^{[1
]}

Zemlyanov, M. G. ^{[1
]}

Panova, G. Kh. ^{[1
]}

Shikov, A. A. ^{[1
,4
]}

Kumzerov, Yu. A. ^{[2
]}

Naberezhnov, A. A. ^{[2
]}

Sergueev, I. ^{[3
]}

Crichton, W. ^{[3
]}

Chumakov, A. I. ^{[1
,3
]}

Rueffer, R. ^{[3
]}

机构：

[1] Russian Res Ctr Kurchatov Inst, Moscow 123182, Russia

[2] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

[3] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[4] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2012年 / 114卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

DENSITY-OF-STATES; NUCLEAR INELASTIC-SCATTERING; SYNCHROTRON-RADIATION; RESONANT SCATTERING; WHITE TIN; BETA-SN; SPECTRUM;

D O I：

10.1134/S1063776112010141

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The method of resonant nuclear inelastic absorption of synchrotron radiation has been used to study the phonon spectrum for tin nanoparticles (with a natural isotope mixture) embedded into a porous glassy (silica) matrix with an average pore diameter of 7 nm in comparison to the analogous spectrum of bulk tin enriched with Sn-119 isotope. Differences between the spectra have been observed, which are related to both the dimensional effects and specific structural features of the porous glass-tin nanocomposite. Peculiarities in the dynamics of tin atoms embedded into nanopores of glass are interpreted in terms of a qualitative model of the nanocomposite structure.

引用

页码：440 / 450

页数：11

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