Ferroelectric materials with chemical formula A(1-x)BxC(1-y)DyF3, and fabrication thereof

摘要

Disclosed are ferroelectric materials with a chemical formula:; $PTEXTPDATA/PDATHILSBPDAT(1\−x)/PDAT/SB/HILPDATB/PDATHILSBPDATx/PDAT/SB/HILPDATC/PDATHILSBPDAT(1\−y)/PDAT/SB/HILPDATD/PDATHILSBPDATy/PDAT/SB/HILPDATF/PDATHILSBPDAT3/PDAT/SB/HILPDAT;/PDAT/PTEXT$ ;such as NaCaF₃, or Na_1−xK_xCaF₃, which are fabricated by deposition of source materials onto a (111) orientation substrate having a cubic lattice constant of between about 3.8 to 4.3 Angstroms, or onto a (001) orientation substrate having a hexagonal a-axis parameter of between about 5.4 to 6.2. A preferred deposition technique is pulsed laser deposition.