IWAMOTO LABORATORY

■Research target


Direct observation of the electric field distribution in channel region of FET structure device.

This page will be updated soon.
Thanks.


Figure 1:Observation of the electric field distribution in the organic FET channel using SHG technique.

Figure 2:The electric field distribution in the FET channel. Drain, Source, Gate electrodes are biased as the condition summarized in Tab. 1.
Table 1:Bias condition during SHG measurement.

Recent Progress

[1] T. Manaka, E. Lim, R. Tamura, and M.Iwamoto, "Modulation in optical second harmonic generation signal from channel of pentacene field effect transistors during device operation," Appl. Phys. Lett. 87, 222107 (2005).
[2] T. Manaka, E. Lim, R. Tamura, D. Yamada, and M.Iwamoto, "Probing of the electric field distribution in organic field effect transistor channel by microscopic second-harmonic generation," Appl. Phys. Lett., 89 (2006) 072113.