Semiconductor Physics, Quantum Electronics & Optoelectronics. 2012. V. 15, N 2. P. 170-175.
Graded-gap AlInN Gunn diodes
1National University of Pharmacy, 53, Pushkins’ka str. 61002 Kharkiv, Ukraine Abstract. The paper deals with the numerical simulation of Gunn diodes operation based on the graded-gap AlInN. We have obtained the output characteristics of diodes with different cathode contacts in a wide range of frequencies. Harmonic and biharmonic modes of operation have been considered. Cutoff frequency and minimum length of the active region have been estimated. Performances of graded-gap AlInN diodes are compared with the performances of InN and AlN diodes.
Keywords: Gunn diode, transfer electron device, graded-gap semiconductor, nitride semiconductor, intervalley electron transfer, terahertz range.
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