CNT cold cathode based THz wave technology

Jeon, Seok-Gy; Kim, Jung-Il; Kim, Jae Hong; Shin, Dongwon; Shin, Dong Hoon; Sun, Yuning; Lee, Cheol Jin

doi:10.1109/ivnc.2012.6316872

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2014

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“…Due to excellent field emission (FE) properties of CNTs, they can be used as unheated cathodes for X-ray sources, field emission displays, luminescent mercury-free tubes and vacuum triodes [1][2][3][4][5]. In spite of significant success in practical implementation of CNT for FE, many important problems have not been solved yet.…”

Section: Introductionmentioning

confidence: 99%

The technique of field emission parameters research for nanostructured materials improvement

Филиппов

Popov

Kolosko

et al. 2014

J. Phys.: Conf. Ser.

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Abstract. A new technique was developed to record and in situ process the data on the evolution of multiwall carbon nanotubes polymer (MWCNT-polymer) nanocomposite field emitters. It includes multichannel acquisition system of current voltage characteristic (IVC), vacuum level, temperature and mass-spectrum data with computer on-line processing of these data based on the LabVIEW program. We obtained the time dependence of the field enhancement factor, the number of emission sites and kinetics of main volatile products during field emission process.

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Section: Introductionmentioning

confidence: 99%