Journal
LANGMUIR
Volume 28, Issue 41, Pages 14777-14783Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la301942t
Keywords
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Funding
- Swiss National Science Foundation (SNF) [PBFRP2-134284]
- U.S. Army Research Laboratory [W911NF-10-1-0484]
- Research Corporation for Science Advancement
- DuPont Young Professor Grant
- National Science Foundation [NSF-0952643, NSF-1121770]
- Swiss National Science Foundation (SNF) [PBFRP2-134284] Funding Source: Swiss National Science Foundation (SNF)
- Direct For Biological Sciences
- Div Of Molecular and Cellular Bioscience [0952643] Funding Source: National Science Foundation
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The microradian X-ray scattering technique is used to investigate the colloidal crystallization of silica/magnetite core-shell magnetic nanoparticles. Particle self-assembly ranging from 2D sheets to 3D semicrystalline structures is observed as a function of the sedimentation-induced variation of the local particle concentration and the applied magnetic field. Because the particle size is comparable to the wavelength of light, these structures possess photonic properties that can be manipulated by an external stimulus.
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