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   Ectons
   Ectons are explosive electron emissions observed as individual packets or avalanches of electrons, occurring as microexplosions at the cathode. The electron current in an ecton starts flowing as a result of overheating of the metal cathode because of the high energy density (104Jg-1), and stops whe...
   Found op http://en.wikipedia.org/wiki/Ectons
   
   

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