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- W2400971292 abstract "The aim of this research is to investigate the secondary electron emission properties of diamond material so as to determine the best use within night vision applications. Diamond surfaces with Negative Electron Affinity (NEA) have been shown to have high Secondary Electron Yields (SEY). This work examined the SEY of three hydrogen treated boron-doped polycrystalline diamond of different thickness. The results showed that the highest value (10.6 at 950 eV) was attributed to the sample with the thickest film and grain size. While this is consistent with the literature it was notable that the diamond samples with thinner films and smaller grain size also obtained high SEY. This is particularly relevant for the cost–efficient options in the manufacturing of night vision goggles and other applications. This study also investigates the depreciation of SEY over time, as well as calculating the hydrogen cross section desorption for the diamond samples. The results of this work showed the stability of the hydrogen coverage on the diamond samples with NEA, which is integral to obtain the high SEY required for the manufacture of night vision applications. This work also investigated a number of different approaches to coating MCPs and channel walls with nanodiamond solution so as to generate strong bonding and the required SEY for use within the night vision industry. The study focused on two solvents, ethanol and methanol, and tested both with different nanodiamond concentrations. Ultrasonic abrasion was used as well as a specifically designed jig. The work found that an Ethanol coating with a nanodiamond solution of 0.5 g/l was the most efficient method in delivering nanodiamond distribution across the top of the MCP and channel walls." @default.
- W2400971292 created "2016-06-24" @default.
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- W2400971292 date "2015-07-28" @default.
- W2400971292 modified "2023-09-26" @default.
- W2400971292 title "Secondary Electron Emission from Diamond for Night Vision Applications" @default.
- W2400971292 hasPublicationYear "2015" @default.
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