%0 Journal Article %K Ferroelectric materials %K Boltzmann equation %K Ferroelectricity %K Negative capacitance %K Ferroelectric devices %K Ferroelectric capacitors %K Capacitance %K Ferroelectric films %K Energy dissipation %K Capacitors %K Boltzmann distribution %K Direct measurement %K Epitaxial ferroelectric films %K Fundamental barriers %K Intrinsic energy %K New applications %A A.I Khan %A K Chatterjee %A B Wang %A S Drapcho %A L You %A C Serrao %A S.R Bakaul %A Ramamoorthy Ramesh %A S Salahuddin %B Nature Materials %D 2015 %G eng %I Nature Publishing Group %P 182-186 %R 10.1038/nmat4148 %T Negative capacitance in a ferroelectric capacitor %V 14