Title : 
Self-screening effect of stand-alone CNT field emitter with high aspect ratio
         
        
        
            Author_Institution : 
Otto-von-Guericke-Univ. Magdeburg / IFQ, Magdeburg, Germany
         
        
        
        
        
        
            Abstract : 
This contribution is an unplanned by-product of high emission current investigations with CNT field-emitter cathodes. A simple self-screening model for individual CNTs is presented. Simulation results are field emission limitations at extremely high and low electron emission currents, and a new evaluation of field enhancement factor.
         
        
            Keywords : 
carbon nanotubes; cathodes; field emitter arrays; CNT field-emitter cathodes; electron emission currents; field emission limitations; field enhancement factor; high aspect ratio; high emission current; self-screening effect; self-screening model; Anodes; Cathodes; Reactive power; Vacuum technology; CNT emitter resistor; CNTs; carbon nanotube field-emitter; electron source; field electron emission; field enhancement factor; field-emission measurement; self-screening effect; virtual cathode;
         
        
        
        
            Conference_Titel : 
Vacuum Nanoelectronics Conference (IVNC), 2014 27th International
         
        
            Conference_Location : 
Engelberg
         
        
            Print_ISBN : 
978-1-4799-5306-6
         
        
        
            DOI : 
10.1109/IVNC.2014.6894789