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Updated: Jun 20, 2026

Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

在孤立和聚合的空心金纳米圈中,电子放松动态

Kenneth L Knappenberger1, Adam M Schwartzberg, Anne-Marie Dowgiallo

  • 1Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4901, USA. klk@chem.fsu.edu

Journal of the American Chemical Society
|October 1, 2009
PubMed
概括

空洞黄金纳米球 (HGNs) 显示表面等离子体共振在聚合后由于费米气体脱局所致的蓝色转移. 这种聚合增强了粒子间的电磁合,改善了设备应用的能量传输.

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Atomic Nuclei: Types of Nuclear Relaxation01:28

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Nuclear relaxation restores the equilibrium population imbalance and can occur via spin–lattice or spin–spin mechanisms, which are first-order exponential decay processes.
In spin–lattice or longitudinal relaxation, the excited spins exchange energy with the surrounding lattice as they return to the lower energy level. Among several mechanisms that contribute to spin–lattice relaxation, magnetic dipolar interactions are significant. Here, the excited nucleus transfers energy to a nearby...