3 papers
cond-mat.mes-hall2002
Universal behaviour in the floating up of quantum Hall extended states as B -> 0
C. E. Yasin, M. Y. Simmons, A. R. Hamilton +4
We investigate the relationship between the quantum Hall extended states and the apparent B=0 `metal'-insulator transition in extremely low density, high quality two-dimensional n-…
cond-mat.str-el2000
Many-body spin related phenomena in ultra-low-disorder quantum wires
D. J. Reilly, G. R. Facer, A. S. Dzurak +7
Zero length quantum wires (or point contacts) exhibit unexplained conductance structure close to 0.7 X 2e^2/h in the absence of an applied magnetic field. We have studied the densi…
cond-mat.mes-hall1998
Ballistic electron transport exceeding 160 microns in an undoped GaAs/AlGaAs FET
G. R. Facer, B. E. Kane, A. S. Dzurak +5
We report measurements of GaAs/AlGaAs undoped field-effect transistors in which two-dimensional electron gases (2DEGs) of exceptional quality and versatility are induced without mo…