TY - JOUR
T1 - Mobility modulation in vertical transport of hot electrons in multi-quantum-well structures
AU - Maimon, S.
AU - Schacham, S. E.
AU - Bahir, G.
AU - Finkman, E.
AU - Ritter, D.
PY - 1996
Y1 - 1996
N2 - Perpendicular mobility of photoexcited electrons in multi-quantum-well (MQW) structures, is modulated by photon energy. The period equals the energy of optical phonons. This theoretical prediction was verified experimentally in (Formula presented)(Formula presented)As MQW’s, proving that in MQW’s the average photocarrier energy is higher than thermal. In bulk material this effect is absent since the thermalization rate is faster than recombination. Monte Carlo simulations render an excellent fit to measured data. A model for the dominant unscreened ionized impurity scattering is presented, upgrading the Conwell-Weskopf theory.
AB - Perpendicular mobility of photoexcited electrons in multi-quantum-well (MQW) structures, is modulated by photon energy. The period equals the energy of optical phonons. This theoretical prediction was verified experimentally in (Formula presented)(Formula presented)As MQW’s, proving that in MQW’s the average photocarrier energy is higher than thermal. In bulk material this effect is absent since the thermalization rate is faster than recombination. Monte Carlo simulations render an excellent fit to measured data. A model for the dominant unscreened ionized impurity scattering is presented, upgrading the Conwell-Weskopf theory.
UR - http://www.scopus.com/inward/record.url?scp=0004369587&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.54.5696
DO - 10.1103/PhysRevB.54.5696
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AN - SCOPUS:0004369587
SN - 1098-0121
VL - 54
SP - 5696
EP - 5699
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 8
ER -