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A Mechanism of DC-AC Conversion in the Organic Thyristor #MMPMIDC5445875
Suko T; Terasaki I; Mori H; Mori T
Materials (Basel) 2010[Mar]; 3 (3): 2027-36 PMIDC5445875show ga
The charge ordered organic salt ?-(BEDT-TTF)2CsZn(SCN)4 exhibits a giant nonlinear conduction at low temperatures. The voltage-current characteristics of this compound are similar to those of a thyristor device, after which we named it the organic thyristor. This material shows current oscillation in the presense of dc voltage, which arises from a mechanism different from conventional oscillating circuits, because the oscillation appears in a sample that does not show negative derivative resistance. We have performed a standard circuit analysis, and show that the voltage-current curve is ?blurred? in the high current region, and the oscillation occurs in the blurred region. This type of oscillation has never been reported, and a possible origin for this is suggested.