A Mechanism of DC-AC Conversion in the Organic Thyristor

作者：Suko Tomohiro; Terasaki Ichiro^*; Mori Hatsumi; Mori Takehiko

来源：Materials, 2010, 3(3): 2027-2036.

DOI：10.3390/ma3032027

• organic conductor
• charge order
• nonlinear conduction
• current oscillation

The charge ordered organic salt theta-(BEDT-TTF)(2)CsZn(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.

• 出版日期2010-3