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透露非热等离子激活氧化铁减少的机制通过纳米级操作TEM

Jae Hyun Nam1, K Andre Mkhoyan2, Daan Hein Alsem3

  • 1Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA.

Nature communications
|August 14, 2025
PubMed
概括

铁矿石的等离子减少为钢铁制造提供了一种绿色替代方案. 通过Operando等离子透射电子显微镜 (TEM) 直接观察到纳米铁矿石减少,揭示了该过程的关键见解.

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相关概念视频

Transmission Electron Microscopy01:15

Transmission Electron Microscopy

In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400 keV in...