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e 17 can easily be fabricated to FED in comparison to fabrication of a cathode having an array of sharp tip from metals or the microcrystalline diamond surface have been studied widely conducted on the effect of different surface treatment on emission of electron in nano-diamond thin films. haviors of different have been studied. Diamond & Related Materials 14Due to its wide viewing angle and low response time, field emission displays (FED) have a potential market for display industry and it can capture the present day_s liquid crystal display market [1]. The prime requirement in FEDs has been an efficient and stable cold cathode material. An efficient cold cathode material has low turn-on-voltage with adequate electron emission, which reduces operating voltage thereb