R. V. K. Mangalam, J. Karthik, Anoop R. Damodaran, Joshua C. Agar and Lane W. Martin Unexpected Crystal and Domain Structures and Properties in Compositionally Graded PbZr1-xTixO3 Thin Films Advanced Materials 25
Synthesis of compositionally graded versions of PbZr1-xTixO3 thin films results in unprecedented strains (as large as ≈4.5 × 105 m−1) and correspondingly unexpected crystal structures, ferroelectric domain structures, and properties. This includes the observation of built-in electric fields in films as large as 200 kV/cm. Compositional and strain gradients could represent a new direction of strain-control of materials.
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