New modalities of strain-control of ferroelectric thin films

AR Damodaran, JC Agar, S Pandya… - Journal of Physics …, 2016 - iopscience.iop.org
Ferroelectrics, with their spontaneous switchable electric polarization and strong coupling
between their electrical, mechanical, thermal, and optical responses, provide functionalities …

Interface engineering in ferroelectrics: From films to bulks

Z Sun, Y Bai, J Liu, G Jian, C Guo, L Zhang… - Journal of Alloys and …, 2022 - Elsevier
As an important branch of functional materials, ferroic materials, especially ferroelectrics
have attracted increasing attention in decades. Because of the rising demand in industry …

Ferroelectric nematic liquid crystal thermomotor

MT Máthé, Á Buka, A Jákli, P Salamon - Physical Review E, 2022 - APS
A thermal gradient-induced circular motion of particles placed on ferroelectric nematic liquid
crystal sessile drops is demonstrated and explained. Unlike hurricanes and tornadoes that …

Smearing of Phase Transition due to a Surface Effect or a Bulk Inhomogeneity<? format?> in Ferroelectric Nanostructures

AM Bratkovsky, AP Levanyuk - Physical review letters, 2005 - APS
The boundary conditions, customarily used in the Landau-type approach to ferroelectric thin
films and nanostructures, have to be modified to take into account that a surface of a …

Fundamentals of graded ferroic materials and devices

ZG Ban, SP Alpay, JV Mantese - Physical Review B, 2003 - APS
A generalized Landau-Ginzburg model is constructed and used to develop a methodology
for analyzing graded ferroic materials. Material system inhomogeneities are assumed to …

Abrupt superlattices grown by reactive molecular beam epitaxy

JC Jiang, XQ Pan, W Tian, CD Theis… - Applied Physics …, 1999 - pubs.aip.org
PbTiO 3/SrTiO 3 superlattices were grown on (001) SrTiO 3 substrates by reactive molecular
beam epitaxy (MBE). Sharp superlattice reflections were observed by x-ray diffraction. High …

Giant effective pyroelectric coefficients from graded ferroelectric devices

F Jin, GW Auner, R Naik, NW Schubring… - Applied physics …, 1998 - pubs.aip.org
Effective pyroelectric coefficients as large as 5 C/cm2 C, with peak responsivities at
approximately 50 C, were obtained from compositionally graded barium strontium titanate …

Improved Pyroelectric Figures of Merit in Compositionally Graded PbZr1–xTixO3 Thin Films

RVK Mangalam, JC Agar, AR Damodaran… - … applied materials & …, 2013 - ACS Publications
Pyroelectric materials have been widely used for a range of thermal-related applications
including thermal imaging/sensing, waste heat energy conversion, and electron emission. In …

Unexpected Crystal and Domain Structures and Properties in Compositionally Graded PbZr1‐xTixO3 Thin Films

RVK Mangalam, J Karthik, AR Damodaran… - Advanced …, 2013 - escholarship.org
Synthesis of compositionally graded versions of PbZr (1-x) Ti (x) O3 thin films results in
unprecedented strains (as large as≈ 4.5× 10 (5) m (-1)) and correspondingly unexpected …

The fabrication and material properties of compositionally multilayered Ba1− xSrxTiO3 thin films for realization of temperature insensitive tunable phase shifter devices

MW Cole, E Ngo, S Hirsch, JD Demaree… - Journal of Applied …, 2007 - pubs.aip.org
Compositionally layered Ba x Sr 1− x Ti O 3 (Ba 0.60 Sr 0.40 Ti O 3–Ba 0.75 Sr 0.25 Ti O 3–
Ba 0.90 Sr 0.10 Ti O 3) 220 nm thin film heterostructures were fabricated on Pt coated high …