Oxygen Scavenging Effect of LaLuO3/TiN Gate Stack in High-Mobility Si/SiGe/SOI Quantum-Well Transistors

(整期优先)网络出版时间:2016-05-15
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Higher-κdielectricLaLuO_3,depositedbymolecularbeamdeposition,withTiNasgatestackisintegratedintohigh-mobilitySi/SiGe/SOIquantum-wellp-typemetal-oxide-semiconductorfieldeffecttransistors.Thresholdvoltageshiftandcapacitanceequivalentthicknessshrinkareobserved,resultingfromoxygenscavengingeffectinLaLuO_3withTi-richTiNafterhightemperatureannealing.Themechanismofoxygenscavenginganditspotentialforresistivememoryapplicationsareanalyzedanddiscussed.