TY - JOUR
T1 - Transport and quantum lifetime dependence on electron density in gated GaAs/AlGaAs heterostructures
AU - Chen, Tse Ming
AU - Liang, C. T.
AU - Simmons, M. Y.
AU - Kim, Gil Ho
AU - Ritchie, D. A.
N1 - Funding Information:
This work was funded by the NSC, Taiwan. The work at Cambridge was funded by the EPSRC, United Kingdom. Gil-Ho Kim was supported by National R&D Project for Nano Science and Technology (Contract No. M1-0212-04-0003) of MOST. C.T.L. thanks T. Chin for her support.
PY - 2004/4
Y1 - 2004/4
N2 - We present a study of the transport and quantum lifetime dependence on electron density in two completely different kinds of two-dimensional electron gas systems. We observed that both the two scattering time increase with increasing the electron density. But the ratios of the transport to the quantum lifetime have different tendency with the electron density, which do not conform to the conventional theory. We speculate that the screening effects need to be considered in order to explain our experimental results.
AB - We present a study of the transport and quantum lifetime dependence on electron density in two completely different kinds of two-dimensional electron gas systems. We observed that both the two scattering time increase with increasing the electron density. But the ratios of the transport to the quantum lifetime have different tendency with the electron density, which do not conform to the conventional theory. We speculate that the screening effects need to be considered in order to explain our experimental results.
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U2 - 10.1016/j.physe.2003.12.009
DO - 10.1016/j.physe.2003.12.009
M3 - Conference article
AN - SCOPUS:1842684631
SN - 1386-9477
VL - 22
SP - 312
EP - 315
JO - Physica E: Low-Dimensional Systems and Nanostructures
JF - Physica E: Low-Dimensional Systems and Nanostructures
IS - 1-3
T2 - 15th International Conference on ELectronic Propreties
Y2 - 14 July 2003 through 18 July 2003
ER -