Progress on emerging ferroelectric materials for energy harvesting, storage and conversion
Since the discovery of Rochelle salt a century ago, ferroelectric materials have been
investigated extensively due to their robust responses to electric, mechanical, thermal …
investigated extensively due to their robust responses to electric, mechanical, thermal …
Domain wall nanoelectronics
Domains in ferroelectrics were considered to be well understood by the middle of the last
century: They were generally rectilinear, and their walls were Ising-like. Their simplicity …
century: They were generally rectilinear, and their walls were Ising-like. Their simplicity …
Pseudo-Jahn–Teller Effect A Two-State Paradigm in Formation, Deformation, and Transformation of Molecular Systems and Solids
IB Bersuker - Chemical Reviews, 2013 - ACS Publications
The pseudo-Jahn− Teller effect is the only source of instability and distortions of high-
symmetry configurations of polyatomic systems in nondegenerate states, and it contributes …
symmetry configurations of polyatomic systems in nondegenerate states, and it contributes …
Metallicity and superconductivity in doped strontium titanate
Strontium titanate is a wide-gap semiconductor avoiding a ferroelectric instability thanks to
quantum fluctuations. This proximity leads to strong screening of static Coulomb interaction …
quantum fluctuations. This proximity leads to strong screening of static Coulomb interaction …
Domains within Domains and Walls within Walls: Evidence for Polar Domains <?format ?>in Cryogenic
Resonant piezoelectric spectroscopy shows polar resonances in paraelectric SrTiO 3 at
temperatures below 80 K. These resonances become strong at T< 40 K. The resonances are …
temperatures below 80 K. These resonances become strong at T< 40 K. The resonances are …
Domain Wall Damping and Elastic Softening in : Evidence for Polar Twin Walls
JF Scott, EKH Salje, MA Carpenter - Physical Review Letters, 2012 - APS
A marked change in anelastic properties, namely, elastic softening accompanied by
increased damping, has been observed in a single crystal of SrTiO 3 below∼ 50 K by …
increased damping, has been observed in a single crystal of SrTiO 3 below∼ 50 K by …
Pseudo Jahn-Teller Origin of Perovskite Multiferroics, Magnetic-Ferroelectric Crossover, <?format ?>and Magnetoelectric Effects: The Problem
IB Bersuker - Physical review letters, 2012 - APS
The conditions of multiferroicity in dn perovskites are derived from the pseudo Jahn-Teller
effect, due to which ferroelectric displacements are triggered by vibronic coupling between …
effect, due to which ferroelectric displacements are triggered by vibronic coupling between …
Imaging and tuning polarity at SrTiO3 domain walls
Electrostatic fields tune the ground state of interfaces between complex oxide materials.
Electronic properties, such as conductivity and superconductivity, can be tuned and then …
Electronic properties, such as conductivity and superconductivity, can be tuned and then …
Universal domain wall dynamics in disordered ferroic materials
W Kleemann - Annu. Rev. Mater. Res., 2007 - annualreviews.org
The dynamics of driven domain walls (DWs) is studied in disordered uniaxial ferroic
materials such as periodically poled ferroelectric KTiOPO4; quantum ferroelectric SrTi18O3; …
materials such as periodically poled ferroelectric KTiOPO4; quantum ferroelectric SrTi18O3; …
Pseudo Jahn–Teller origin of ferroelectric instability in BaTiO3 type perovskites: The Green's function approach and beyond
The local origin of dipolar distortions in ABO 3 perovskite crystals is reexamined by means of
a novel approach, the Green's function method augmented by DFT computations. The …
a novel approach, the Green's function method augmented by DFT computations. The …