Table 1: Comparison between bulk, bilayer and trilayer ME composite

CompositeGeometryLattice constantME coefficientDC bias

Bulk320612.table.001aPZT (3.87 Å, = 4.07 Å) and NFM = 8.42 Å110 mV/cm·Oe for PZT-20 NZF900 Oe (T-T) mode
Bilayer320612.table.001b200 mV/cm·Oe800-900 Oe (T-T) mode
Trilayer320612.table.001cPZT (4.04 Å, = 4.11 Å) and NCZF = 8.41 Å526 mV/cm·Oe (single layer PZT) And 787 mV/cm·Oe (multilayer PZT)400 Oe(L-T) mode