Terahertz response of InGaAs field effect transistors in quantizing magnetic fields

Klimenko, O. A.; Mityagin, Yu. A.; Videlier, H.; Teppe, F.; Dyakonova, N. V.; Consejo, C.; Bollaert, S.; Murzin, V. N.; Knap, W.
July 2010
Applied Physics Letters;7/12/2010, Vol. 97 Issue 2, p022111
Academic Journal
Terahertz (THz) detection by plasma wave mechanism in InGaAs field effect transistors is studied in high/quantizing magnetic fields regime. The correlation between the photovoltaic response and magnetoresistance is revealed. It allows explaining the dominant physical mechanism responsible for strong oscillations observed in the transistor THz photoresponse. The results indicate also a serious discrepancy between experimental data and existing theoretical model.


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