Mechanosynthesis of nanocrystalline fayalite, Fe2SiO4

被引：32

作者：

Sepelak, Vladimir S. ^{[1
,2
]}

Myndyk, Maxym ^{[3
]}

Fabian, Martin ^{[4
]}

Da Silva, Klebson L. ^{[5
]}

Feldhoff, Armin ^{[2
,6
]}

Menzel, Dirk ^{[7
]}

Ghafari, Mohammad ^{[1
]}

Hahn, Horst ^{[1
]}

Heitjans, Paul ^{[2
,6
]}

Becker, Klaus D. ^{[2
,8
]}

机构：

[1] KIT, Inst Nanotechnol, D-76344 Eggenstein Leopoldshafen, Germany

[2] Leibniz Univ Hannover, Ctr Solid State Chem & New Mat, D-30167 Hannover, Germany

[3] Tech Univ Dresden, Dept Inorgan Chem, D-01062 Dresden, Germany

[4] Slovak Acad Sci, Inst Geotech, SK-04353 Kosice, Slovakia

[5] Univ Estadual Maringa, Dept Phys, BR-87020900 Maringa, Parana, Brazil

[6] Leibniz Univ Hannover, Inst Phys Chem & Electrochem, D-30167 Hannover, Germany

[7] Braunschweig Univ Technol, Inst Condensed Matter Phys, D-38106 Braunschweig, Germany

[8] Braunschweig Univ Technol, Inst Phys & Theoret Chem, D-38106 Braunschweig, Germany

来源：

CHEMICAL COMMUNICATIONS | 2012年 / 48卷 / 90期

关键词：

STEP MECHANOCHEMICAL ROUTE; OLIVINE-SPINEL TRANSITION; ENHANCED MAGNETIZATION; NANOPARTICLES;

D O I：

10.1039/c2cc36370d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanostructured fayalite (alpha-Fe2SiO4) with a large volume fraction of interfaces is synthesized for the first time via single-step mechanosynthesis, starting from a 2 alpha-Fe2O3 + 2Fe + 3SiO(2) mixture. The nonequilibrium state of the as-prepared silicate is characterized by the presence of deformed polyhedra in the interface/surface regions of nanoparticles.

引用

页码：11121 / 11123

页数：3

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