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We have achieved high device performance in self-aligned inversion-channel InGaAs MOSFETs, as well as a CET of <; 1 nm, a Dit ≤ 1011 eV-1cm-2, and high-temperature thermal stability withstanding >850°C RTA in GGO and a CET of <; 1 nm in ALD-HfO2 on InGaAs. Remarkable device performances in self-aligned, inversion-channel Ge MOSFET using GGO without any interfacial passivation layers (IPLs),...
In this work, for practical device integration in future, a self-aligned In0.53Ga0.47As MOSFET was successfully implemented, using molecular beam epitaxy (MBE) grown In0.53Ga0.47As as the channel, ALD-AI2O3 as the gate dielectric, and sputtered TiN as the gate metal. The key of the self-aligned process in fabricating inversion-channel III-V MOSFETs is not only to ensure good interface properly after...
The surface Fermi level unpinning in InGaAs has been realized with high kappa dielectric growth using molecular beam eitaxy (MBE) and atomic layer deposition (ALD). Furthermore, world-record device performances in self-aligned inversion-channel InGaAs MOSFET and a capacitance equivalent thickness (CET) of les 1 nm in Ga2O3(Gd2O3) and ALD-HfO2 on InGaAs have been achieved.
Self-aligned inversion-channel In0.53Ga0.47As n-MOSFETs with ex-situ atomic-layer-deposited Al2O3 and in-situ ultra-high-vacuum deposited Al2O3/Ga2O3(Gd2O3) as gate dielectrics have been demonstrated. Both devices exhibit excellent DC characteristics, including high drain currents and transconductances. In addition, RF characteristics of both devices were analyzed; without using any isolation, non...
The authors have successfully demonstrated self-aligned high-performance inversion-channel In0.53Ga0.47As MOSFETs using UHV-deposited nano-meter thick AI2O3/GGO dual-layer dielectrics and a TiN metal gate. Record-high drain current and transconductance, despite its challenging process, were achieved. Ring gate D-mode In0.2Ga0.8As MOSFETs using as a similar dual layer gate dielectric also exhibits...
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