Experimental Evidence of Self-Limited Growth of Nanocrystals in Glass

被引：160

作者：

Bhattacharyya, Somnath ^{[1
]}

Bocker, Christian ^{[2
]}

Heil, Tobias ^{[3
]}

Jinschek, Jorg R. ^{[4
]}

Hoeche, Thomas ^{[1
]}

Ruessel, Christian ^{[2
]}

Kohl, Helmut ^{[3
]}

机构：

[1] Leibniz Inst Oberflachenmodifizierung eV, D-04318 Leipzig, Germany

[2] Univ Jena, Otto Schott Inst, D-07743 Jena, Germany

[3] Univ Munster, Inst Phys, D-48149 Munster, Germany

[4] FEI Co, Europe Nanoport, NL-5651 GG Eindhoven, Netherlands

来源：

NANO LETTERS | 2009年 / 9卷 / 06期

关键词：

TRANSMISSION ELECTRON-MICROSCOPY; CRYSTALLIZATION; CERAMICS; LAF3;

D O I：

10.1021/nl901283r

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Growth of nanocrystals precipitated in glasses with specific compositions can be effectively limited by diffusion barriers forming around crystallites. For the first time, we do experimentally prove this concept of self-limited growth on the nanoscale for a SiO2/Al2O3/Na2O/K2O/BaF2 glass in which BaF2 nanocrystals are formed. As shown by advanced analytical transmission electron microscopy techniques, the growth of these BaF2 crystals, having great potential for photonic applications, is inherently limited by the formation of a ca. 1 nm wide SiO2 shell.

引用

页码：2493 / 2496

页数：4

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