Self-aggregation of magnetic semiconductor EuS nanocrystals

被引：5
|
作者：
Tanaka, Atsushi [1 ]
Hasegawa, Yasuchika [1 ]
Kamikubo, Hironari [1 ]
Kataoka, Mikio [1 ]
Kawai, Tsuyoshi [1 ]
机构：
[1] Nara Inst Sci & Technol, Grad Sch Mat Sci, Nara 6300192, Japan
来源：
THIN SOLID FILMS | 2009年 / 518卷 / 02期
关键词：
Nanocrystals; Lanthanide; Chalcongenide; Aggregation; NANOPARTICLES; SUPERLATTICES;
D O I：
10.1016/j.tsf.2009.07.106
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Controlled formation of aggregates having organized structure of cube-shaped EuS nanocrystals is reported. The EuS aggregates in liquid media (methanol) were obtained by means of van der Waals interaction between EuS nanocrystals. The packing structure of the EuS aggregates is characterized with transmission electron microscopy (TEM) and small angle X-ray scattering measurements (SAXS). TEM image indicates the EuS nanocrystals form self-aggregated 2D orthogonal lattice structure. The diffraction peak of (111) of SAXS profile shows that the cube-shaped EuS form 3D cubic superlattice. We successfully demonstrated that the aggregates of cube-shaped EuS nanocrystals formed cubic stacking structure. (C) 2009 Elsevier B.V. All rights reserved
引用
收藏
页码：870 / 872
页数：3
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