2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/163972Magneto-transport measurements are performed on the two-dimensional electron system (2DES) in an AlGaAs/GaAs heterostructure. By increasing the magnetic field perpendicular to the 2DES, magnetoresistivity oscillations due to Landau quantisation can be identified just near the direct insulator-quantum Hall (I-QH) transition. However, different mobilities are obtained from the oscillations and transition point. Our study shows that the direct I-QH transition does not always correspond to the onset of strong localisation.11 pages, 7 figuresMesoscale and Nanoscale PhysicsDisordered Systems and Neural Networkstext