Advanced Colloids Experiment-Nanoparticle Haloing
收藏DataCite Commons2025-11-24 更新2026-05-04 收录
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https://psi.nasa.gov/physci/repo/data/investigations/PSI-169
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资源简介：
Nanoparticle Haloing (NPH) is a colloidal stabilization technique that has been discovered relatively recently. In NPH, highly charged nanoparticles are used to stabilize much larger (by 2 orders of magnitude or more), non-charged particles. To accomplish this stabilization, the volume fraction of nanoparticles within the suspension need only be on the order of 1e-5 up to 1e-4 to stabilize at 1 to 2 vol% suspension of the larger particles.
The objective of this work is to gain fundamental insight into the physics of NPH with the aim of addressing the following unresolved questions:
• How will NPH suspensions behave in thermal or electrical field gradients as they do under gravity?
• How does the halo form or re-form if disturbed?
• Can NPH (and manipulation thereof) be used to assemble and reconfigure colloidal crystals?
• How does the nanoparticle charge impact halo formation?
提供机构：
NASA PSI
创建时间：
2025-01-06
