Model of coherent electron field emission from semiconductors through nanometer-wide dielectric coverings

Abstract

A irio~lel of' rolierent electrim field emi,ssion f r w i i i s e 1 r r i~~1 1 1~1 i~c t~~~-siibsrrate through a very thin (rrurrorrieter~~i~idr) rlielecrric layer i s developed. The nrodel ini:liide.s (I seprii-are nppi-oach ,for the elert,-rui truri.sririssiori f,-~iii the hulk. substr-ate conducrioii barirl arid ,~I J I T I rlre ipnsi-baiind .sfufes iirrlricerl I]? tlre applied jield ut the sribstmte-dielecrric Imundwy. N o oi-rificial qiirintiiorion condition is irserl f.rthe enerxies oJ rlre qriasi-boiirrd states. "Kesoii~rnt " belinvior is / ? J L I I I~ irr rlre total eiriission criri-eiit density, \t~hiclr riiny ~i i v rise IO consisreiir eriliuncenienr us cuiiipnrcrl to the eriiissiori from bore .sidistrute .sirifnee, irr r~ccor~lonce witli other results in the litemtiire.