Growth modes of nanoparticle superlattice thin films

被引：17

作者：

Mishra, D. ^{[1
]}

Greving, D. ^{[1
]}

Badini Confalonieri, G. A. ^{[1
,2
]}

Perlich, J. ^{[3
]}

Toperverg, B. P. ^{[1
,4
]}

Zabel, H. ^{[1
]}

Petracic, O. ^{[1
,5
,6
]}

机构：

[1] Ruhr Univ Bochum, Inst Expt Condensed Matter Phys, D-44780 Bochum, Germany

[2] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain

[3] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

[4] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia

[5] Forschungszentrum Julich, Julich Ctr Neutron Sci JCNS, D-52425 Julich, Germany

[6] Forschungszentrum Julich, Peter Grunberg Inst PGI, JARA FIT, D-52425 Julich, Germany

来源：

NANOTECHNOLOGY | 2014年 / 25卷 / 20期

关键词：

nanoparticles; self-organization; nanoparticle superlattices; supercrystals; supracrystals; growth modes; NANOCRYSTAL SUPERLATTICES; FEPT NANOPARTICLES; FORCES; BINARY;

D O I：

10.1088/0957-4484/25/20/205602

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report on the fabrication and characterization of iron oxide nanoparticle thin film superlattices. The formation into different film morphologies is controlled by tuning the particle plus solvent-to-substrate interaction. It turns out that the wetting vs dewetting properties of the solvent before the self-assembly process during solvent evaporation plays a major role in determining the resulting film morphology. In addition to layerwise growth three-dimensional mesocrystalline growth is also evidenced. The understanding of the mechanisms ruling nanoparticle self-assembly represents an important step towards the fabrication of novel materials with tailored optical, magnetic or electrical transport properties.

引用

页数：10

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