Challenges and opportunities for multi-functional oxide thin films for voltage tunable radio frequency/microwave components
G Subramanyam, MW Cole, NX Sun… - Journal of applied …, 2013 - pubs.aip.org
There has been significant progress on the fundamental science and technological
applications of complex oxides and multiferroics. Among complex oxide thin films, barium …
applications of complex oxides and multiferroics. Among complex oxide thin films, barium …
Large polarization gradients and temperature-stable responses in compositionally-graded ferroelectrics
A range of modern applications require large and tunable dielectric, piezoelectric or
pyroelectric response of ferroelectrics. Such effects are intimately connected to the nature of …
pyroelectric response of ferroelectrics. Such effects are intimately connected to the nature of …
Piezoelectricity above the Curie temperature? Combining flexoelectricity and functional grading to enable high-temperature electromechanical coupling
Most technologically relevant ferroelectrics typically lose piezoelectricity above the Curie
temperature. This limits their use to relatively low temperatures. In this Letter, exploiting a …
temperature. This limits their use to relatively low temperatures. In this Letter, exploiting a …
Dielectric properties of MgO-doped compositionally graded multilayer barium strontium titanate films
We have grown 5 mol% MgO-doped multilayered Ba 1− x Sr x Ti O 3 (BST) films having a
nominal thickness of 220 nm with compositions of each layer as BST60/40, BST75/25, and …
nominal thickness of 220 nm with compositions of each layer as BST60/40, BST75/25, and …
Synthesis and characterization of Cu2CdSnS4 quaternary alloy nanostructures
Cu 2 CdSnS 4 (CCTS) quaternary alloy nanostructure is an important material of enhancing
the sensors effectiveness. CCTS nanostructures have been synthesized using ultrasonic …
the sensors effectiveness. CCTS nanostructures have been synthesized using ultrasonic …
Compositionally graded ferroelectrics as wide band gap semiconductors: Electrical domain structures and the origin of low dielectric loss
IB Misirlioglu, SP Alpay - Acta Materialia, 2017 - Elsevier
Functional materials with compositional gradients exhibit unique characteristics that are
different from the components comprising the structure. Graded ferroelectrics are very good …
different from the components comprising the structure. Graded ferroelectrics are very good …
Formulation of phase-field energies for microstructure in complex crystal structures
The unusual properties of many multifunctional materials originate from a structural phase
transformation and consequent martensitic microstructure. Phase-field models are typically …
transformation and consequent martensitic microstructure. Phase-field models are typically …
Dielectric tunability of graded barium strontium titanate multilayers: Effect of thermal strains
A thermodynamic model was developed to analyze the effect of the difference in the thermal
expansion coefficient (TEC) of a multilayered barium strontium titanate Ba 1− y Sr y TiO 3 …
expansion coefficient (TEC) of a multilayered barium strontium titanate Ba 1− y Sr y TiO 3 …
Frontiers in strain-engineered multifunctional ferroic materials
Multifunctional, complex oxides capable of exhibiting highly-coupled electrical, mechanical,
thermal, and magnetic susceptibilities have been pursued to address a range of salient …
thermal, and magnetic susceptibilities have been pursued to address a range of salient …
Functionally graded interfaces: role and origin of internal electric field and modulated electrical response
We report the tunable electrical response in functionally graded interfaces in lead-free
ferroelectric thin films. Multilayer thin film graded heterostructures were synthesized on …
ferroelectric thin films. Multilayer thin film graded heterostructures were synthesized on …