Conduction mechanisms and voltage drop during field electron emission from diamond needlesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 июня 2019 г.
Аннотация:We report results of experimental investigation of field electron emission from diamond nanoemitters. The
measurements were performed with single crystal diamond needles fixed at tungsten tips. The voltage drop
along diamond needles during emission was revealed and measured using electron energy spectroscopy. The
observed linear dependence of the voltage drop in diamond on voltage applied to the tungsten tip is explained in
the frame of a simple macroscopic electrical model combining Poole–Frenkel conduction along the diamond tip
and Fowler–Nordheim tunneling at the diamond-vacuum junction. Experimental evidences of electron emission
sensitivity to laser illumination are discussed for possible modification of diamond emitter characteristics and
voltage drop.