upward

Hall effect

J Takeya, T Uemura, K Sakai, Y Okada, Materials and devices with applications in high-end organic transistors, TSF 554, 19 (2014)

J Chang, T Sakanoue, Y Olivier, T Uemura, M Dufourg-Madec, S Yeates, J Cornil, J Takeya, A Troisi, H Sirringhaus, Hall-Effect Measurements Probing the Degree of Charge-Carrier Delocalization in Solution-Processed Crystalline Molecular Semiconductors, PRL 107, 066601 (2011)

V Podzorov, E Menard, J A Rogers, M E Gershenson, Hall Effect in the Accumulation Layers on the Surface of Organic Semiconductors, PRL 95, 226601 (2005)