Electron field emission from 𝑠𝑝2-induced insulating to metallic behaviour of amorphous carbon (𝑎-C) films
Pitamber Mahanandia P N Viswakarma Prasad Vishnu Bhotla S V Subramanyam Karuna Kar Nanda
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The influence of concentration and size of 𝑠𝑝2 cluster on the transport properties and electron field emissions of amorphous carbon films have been investigated. The observed insulating to metallic behaviour from reduced activation energy derived from transport measurement and threshold field for electron emission of 𝑎-C films can be explained in terms of improvements in the connectivity between 𝑠𝑝2 clusters. The connectivity is resulted by the cluster concentration and size. The concentration and size of 𝑠𝑝2 content cluster is regulated by the coalescence of carbon globules into clusters, which evolves with deposition conditions.
Pitamber Mahanandia1 P N Viswakarma1 Prasad Vishnu Bhotla1 S V Subramanyam1 Karuna Kar Nanda2
Volume 43, 2020
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Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020
Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020
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