Applied Physics Letters · 1996 · 363 citations · 0 references
EngineeringMaterials EngineeringMaterials ScienceMicroelectronicsSemiconductor DevicesSemiconductor MaterialsDevice ReliabilityIntegrated Circuit DesignMetal-oxide-semiconductor Field-effect TransistorsSemiconductor Device MaterialsSemiconductor ReliabilityDeuterium Isotope EffectDevice DegradationHot Carrier InjectionHot-carrier DegradationMetal-semiconductor Field-effect TransistorsReliability DegradationReliability Degradation MechanismsWear-out Mechanisms
We report experimental results that replacing hydrogen with deuterium during the final wafer sintering process greatly reduces hot electron degradation effects in metal oxide semiconductor transistors due to a new giant isotope effect. Transistor lifetime improvements by factors of 10–50 are observed. A plausible physical theory suggests that the benefits of deuterium use may be general and also applicable to other areas of semiconductor device processing and fabrication.