Abstract:We investigate the operation of FETs with a high-K channel material, SrTiO 3 (K = 300). The transistors show lowleakage, high-capacitance operation with a sub-nm equivalent oxide thickness, in line with expectations. In depletion however, the gate-source capacitance appears to have an unusual 1/3power dependence on the device length and width. This awkward scaling behaviour is analyzed in detail in this paper and possible consequences for SrTiO 3 devices and related 2D-material transistors are discussed. It is… Show more
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