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Updated: Jul 13, 2026

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
09:48

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma

Published on: February 2, 2012

微波设备:碳纳米管作为冷阴极.

Kenneth B K Teo1, Eric Minoux, Ludovic Hudanski

  • 1Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, UK.

Nature
|October 14, 2005
PubMed
概括

一个新的微波二极管使用由碳纳米管制成的冷阴极电子源. 这种微型设备提供了即时响应,没有加热,改善了卫星和航天器通信.

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相关概念视频

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by: