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铁纳米颗粒表面的氧化外的形态和电子结构

Chongmin Wang1, Donald R Baer, James E Amonette

  • 1Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, USA. chongmin.wang@pnl.gov

Journal of the American Chemical Society
|June 6, 2009
PubMed
概括

铁纳米粒子在空气中形成原生氧化物外. 电子能量损失光谱显示,这种外具有有缺陷的结构,与已知的氧化铁不同,影响了纳米粒子的特性.

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Colors and Magnetism03:02

Colors and Magnetism

Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.