Conference Papers

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    Heat treatment of friction surfaced steel-aluminum couple
    (Trans Tech Publications Ltd ttp@transtec.ch, 2015) Bhat, K.; Nithin; Bhat, S.; Sudeendran
    Friction surfacing is a solid state process and it is amenable for deposition of aluminum on steel. In this investigation, the mild steel surface was coated with a layer of aluminum using friction surfacing route. The aluminum thickness was in the range of 40-50 μm. It was followed by a heat treatment step to convert aluminum layer in to an aluminide layer. Heat treatment was done in open atmosphere at 700 °C for 2 hours. Microstuctural analysis showed that the aluminide layer is mainly made of Fe2Al5 and Fe4Al13, FeAl and Fe3Al are minor in fraction. Formation of Fe2Al5 is discussed. The aluminide layer also has some amount of porosities. © (2015) Trans Tech Publications, Switzerland.
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    Investigations on the effect of Dual Material Gate work function on DIBL and Subthreshold Swing in Junctionless FinFETs
    (Institute of Electrical and Electronics Engineers Inc., 2020) Mathew, S.; Nithin; Bhat, K.N.; Rao, R.
    This paper investigates the influence of gate material work function on the electrical characteristics as well as short channel effects exhibited by Dual Material Gate-Junctionless FinFETs (DMG-JLFinFETs) with channel length as low as 10 nm. 3D TCAD simulations performed on these devices show that various device parameters like threshold voltage, ON-current, etc, are influenced by the work function difference between the control gate and screen gate material of DMG-JLFinFET. DMG-JLFinFETs exhibit very low Drain Induced Barrier Lowering (DIBL), far lesser than its Single Material Gate (SMG) counterpart. Subthreshold Swing (SS) of DMG devices is higher than SMG devices. The optimal ratio of control gate length to total gate length in DMG-JLFinFET is found to be between 0.5 and 1 for better suppression of short channel effects. © 2020 IEEE.