Ensemble Monte Carlo characterization of graded AlxGa1−xAs heterojunction barriers
dc.contributor.author | Kamoua, R. | en_US |
dc.contributor.author | East, Jack Roy | en_US |
dc.contributor.author | Haddad, George I. | en_US |
dc.date.accessioned | 2010-05-06T22:38:22Z | |
dc.date.available | 2010-05-06T22:38:22Z | |
dc.date.issued | 1990-08-01 | en_US |
dc.identifier.citation | Kamoua, R.; East, J. R.; Haddad, G. I. (1990). "Ensemble Monte Carlo characterization of graded AlxGa1−xAs heterojunction barriers." Journal of Applied Physics 68(3): 1114-1122. <http://hdl.handle.net/2027.42/70741> | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/70741 | |
dc.description.abstract | Injection over and through heterojunction barriers is becoming increasingly more important in modern electronic devices. We consider the properties of graded AlxGa1−xAs heterojunction barriers using a self‐consistent ensemble Monte Carlo method. In this paper, we consider barriers with two doping levels, 1×1015 cm−3 and 1×1017 cm−3, and two barrier heights, 100 and 265 meV. The 100‐meV barrier resulted in small rectification at room temperature whereas the higher barrier exhibited considerable rectification. In both cases the structure with the lower doped barrier has resulted in a smaller current in both forward and reverse regions due to space‐charge effects. The energy and momentum distribution functions deviate from a Maxwellian distribution inside the barrier region and in general show two peaks: one is comprised mainly of electrons near equilibrium and the second arises mainly from ballistic electrons. The higher doped structure resulted in a faster electron relaxation toward equilibrium as a function of position because the electric field decreases rapidly in the barrier region. | en_US |
dc.format.extent | 3102 bytes | |
dc.format.extent | 1307910 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/octet-stream | |
dc.publisher | The American Institute of Physics | en_US |
dc.rights | © The American Institute of Physics | en_US |
dc.title | Ensemble Monte Carlo characterization of graded AlxGa1−xAs heterojunction barriers | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Center for High Frequency Microelectronics, Solid State Electronics Laboratory, Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109‐2122 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/70741/2/JAPIAU-68-3-1114-1.pdf | |
dc.identifier.doi | 10.1063/1.346728 | en_US |
dc.identifier.source | Journal of Applied Physics | en_US |
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dc.owningcollname | Physics, Department of |
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