%0 Journal Article %K Ferroelectricity %K Negative capacitance %K Energy transfer %K Differential amplification %K Differential voltage %K External energy sources %K Polarization state %K Capacitance %A A.I Khan %A M Hoffmann %A K Chatterjee %A Z Lu %A R Xu %A C Serrao %A S Smith %A L.W Martin %A C Hu %A Ramamoorthy Ramesh %A S Salahuddin %B Applied Physics Letters %D 2017 %G eng %I American Institute of Physics Inc. %R 10.1063/1.5006958 %T Differential voltage amplification from ferroelectric negative capacitance %V 111