IEEE Electron Device Letters · 2019 · 25 citations · 25 references
EngineeringEnergy EfficiencyEnergy ConversionPower Electronic SystemsPower ElectronicsEfficiency LimitLinear Radio-frequencyThermal ModelingPower Electronic DevicesElectrical EngineeringEnergy HarvestingIpcs DeviceHeat TransferPhase-change MaterialEnergy ManagementRadiofrequency HeatingThermal ManagementThermal EngineeringRf Subsystem
Linear radio-frequency (RF) switches are highly desired in wireless system front ends. Here, we report electro-thermal measurements and modeling of an indirectly heated phase change RF switch (IPCS). We study the energy-efficiency of the IPCS device by electro-thermal modeling and show that its layer design is crucial to reduce its switching power. Thermally optimized SbTe-based IPCS devices switch at a record-low power of ~8 mW/μm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , approaching the efficiency limit of such indirectly heated devices.
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Phase change materials and phase change memory
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Materials Science, Materials Engineering, Phase Transitions +7
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