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
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
收藏
页码:11121 / 11123
页数:3
相关论文
共 50 条
  • [31] ROOM-TEMPERATURE AMORPHIZATION OF FAYALITE AND HIGH-PRESSURE PROPERTIES OF FE2SIO4 LIQUID
    RICHARD, G
    RICHET, P
    GEOPHYSICAL RESEARCH LETTERS, 1990, 17 (12) : 2093 - 2096
  • [32] THE PRESSURE AND TEMPERATURE-DEPENDENCE OF THE ELASTIC PROPERTIES OF SINGLE-CRYSTAL FAYALITE FE2SIO4
    GRAHAM, EK
    SCHWAB, JA
    SOPKIN, SM
    TAKEI, H
    PHYSICS AND CHEMISTRY OF MINERALS, 1988, 16 (02) : 186 - 198
  • [33] ADDITIONAL OBSERVATIONS ON THE FERRIC ION (FE-3+) CONTENT OF MELT-GROWN FAYALITE (FE2SIO4)
    KOPP, OC
    ABRAHAM, MM
    AMERICAN MINERALOGIST, 1982, 67 (3-4) : 349 - 349
  • [34] ISOTHERMAL COMPRESSION OF MOLTEN FE2SIO4
    AGEE, CB
    GEOPHYSICAL RESEARCH LETTERS, 1992, 19 (11) : 1169 - 1172
  • [35] MAGNETIC PROPERTIES OF MN2SIO4 AND FE2SIO4
    SANTORO, RP
    NEWNHAM, RE
    NOMURA, S
    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1966, 27 (04) : 655 - &
  • [36] MAGNON PHONON COUPLING IN FE2SIO4
    SCHMIDT, W
    BROTZELLER, C
    GEICK, R
    SCHWEISS, P
    TREUTMANN, W
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1992, 104 : 1049 - 1050
  • [37] A semi-quantitative approach to derive the electric field gradient, applied to synthetic fayalite, α-Fe2SiO4: a reappraisal
    Lottermoser, Werner
    Weber, Sven-Ulf
    Grodzicki, Michael
    Kirfel, Armin
    Amthauer, Georg
    EUROPEAN JOURNAL OF MINERALOGY, 2012, 24 (05) : 791 - 797
  • [38] Single-crystal X-ray diffraction study of Fe2SiO4 fayalite up to 31 GPa
    Zhang, Jin S.
    Hu, Yi
    Shelton, Hannah
    Kung, Jennifer
    Dera, Przemyslaw
    PHYSICS AND CHEMISTRY OF MINERALS, 2017, 44 (03) : 171 - 179
  • [39] Single-crystal X-ray diffraction study of Fe2SiO4 fayalite up to 31 GPa
    Jin S. Zhang
    Yi Hu
    Hannah Shelton
    Jennifer Kung
    Przemyslaw Dera
    Physics and Chemistry of Minerals, 2017, 44 : 171 - 179
  • [40] KINETICS OF REDUCTION OF IRON ORTHOSILLICATE FE2SIO4 (FAYALITE) BY H2, CO OR CO+H2 MIXTURES
    GABALLAH, I
    JEANNOT, F
    GLEITZER, C
    DUFOUR, LC
    MEMOIRES SCIENTIFIQUES DE LA REVUE DE METALLURGIE, 1975, 72 (10): : 735 - 743