dc.contributor.author |
Kyritsakis, A |
en |
dc.contributor.author |
Kokkorakis, GC |
en |
dc.contributor.author |
Xanthakis, JP |
en |
dc.contributor.author |
Kirk, TL |
en |
dc.contributor.author |
Pescia, D |
en |
dc.date.accessioned |
2014-03-01T01:34:35Z |
|
dc.date.available |
2014-03-01T01:34:35Z |
|
dc.date.issued |
2010 |
en |
dc.identifier.issn |
0003-6951 |
en |
dc.identifier.uri |
https://dspace.lib.ntua.gr/xmlui/handle/123456789/20754 |
|
dc.subject |
chemical interdiffusion |
en |
dc.subject |
contact resistance |
en |
dc.subject |
ohmic contacts |
en |
dc.subject |
semiconductor-metal boundaries |
en |
dc.subject |
silicon compounds |
en |
dc.subject |
solid-state phase transformations |
en |
dc.subject |
surface chemistry |
en |
dc.subject |
titanium |
en |
dc.subject |
tomography |
en |
dc.subject |
transmission electron microscopy |
en |
dc.subject |
wide band gap semiconductors |
en |
dc.subject |
work function |
en |
dc.subject.classification |
Physics, Applied |
en |
dc.subject.other |
Electron path |
en |
dc.subject.other |
Emission area |
en |
dc.subject.other |
Emitted electron |
en |
dc.subject.other |
Hemispherical cap |
en |
dc.subject.other |
Needle axis |
en |
dc.subject.other |
Self-focusing |
en |
dc.subject.other |
Wentzel-Kramers-Brillouin method |
en |
dc.subject.other |
Field emission |
en |
dc.subject.other |
Needles |
en |
dc.title |
Self focusing of field emitted electrons at an ellipsoidal tip |
en |
heal.type |
journalArticle |
en |
heal.identifier.primary |
10.1063/1.3462934 |
en |
heal.identifier.secondary |
http://dx.doi.org/10.1063/1.3462934 |
en |
heal.identifier.secondary |
023104 |
en |
heal.language |
English |
en |
heal.publicationDate |
2010 |
en |
heal.abstract |
In models of field emission the needle is usually terminated by a hemispherical cap. Here we choose to terminate it with a hemiellipsoidal cap and use a three-dimensional Wentzel-Kramers-Brillouin method for the computations. This has two important consequences: as the ellipsoid becomes more elongated, (a) the effective emission area is decreased and (b) the quantum mechanically computed electron paths converge toward the needle axis. Both mechanisms produce a self-focusing of the field emitted electrons. (C) 2010 American Institute of Physics. [doi:10.1063/1.3462934] |
en |
heal.publisher |
AMER INST PHYSICS |
en |
heal.journalName |
Applied Physics Letters |
en |
dc.identifier.doi |
10.1063/1.3462934 |
en |
dc.identifier.isi |
ISI:000279999800054 |
en |
dc.identifier.volume |
97 |
en |
dc.identifier.issue |
2 |
en |