output
20052026
most citedRealization of an all-dielectric zero-index optical metamaterial

714 citations

Showing 2010Show all

10 papers · 1 filter

cond-mat.mtrl-sci2010★ 122 cited

Thermodynamics of Electromechanically-Coupled Mixed Ionic-Electronic Conductors: Deformation potential, Vegard strains and Flexoelectric effect

A. N. Morozovska, E. A. Eliseev, A. K. Tagantsev +3

Strong coupling among external voltage, electrochemical potentials, concentrations of electronic and ionic species, and strains is a ubiquitous feature of solid state mixed ionic-e…

cond-mat.supr-con2010★ 1 cited

Neutron Scattering Studies of spin excitations in hole-doped Ba0.67K0.33Fe2As2 superconductor

Chenglin Zhang, Meng Wang, Huiqian Luo +14

We report inelastic neutron scattering experiments on single crystals of superconducting Ba0.67K0.33Fe2As2 (Tc = 38 K). In addition to confirming the resonance previously found in…

cond-mat.mtrl-sci2010★ 25 cited

Landau-Ginzburg-Devonshire theory for electromechanical hysteresis loop formation in piezoresponse force microscopy of thin films

A. N. Morozovska, E. A. Eliseev, S. L. Bravina +1

Electromechanical hysteresis loop formation in piezoresponse force microscopy of thin ferroelectric films is studied with special emphasis on the effects of tip size and film thick…

cond-mat.str-el2010★ 15 cited

Microscopic Inhomogeneity and Superconducting Properties of a Two-dimensional Hubbard Model for High- Cuprate

Satoshi Okamoto, Thomas A. Maier

Recent scanning tunneling microscopy measurements on cuprate superconductors have revealed remarkable spatial inhomogeneities in the single-particle energy gap. Using cellular dyna…

cond-mat.mtrl-sci2010★ 164 cited

Nanoscale switching characteristics of nearly tetragonal BiFeO3 thin films

Dipanjan Mazumdar, Vilas Shelke, Milko Iliev +5

We have investigated the nanoscale switching properties of strain-engineered BiFeO3 thin films deposited on LaAlO3 substrates using a combination of scanning probe techniques. Pola…

cond-mat.mtrl-sci2010★ 158 cited

Local probing of ionic diffusion by electrochemical strain microscopy: spatial resolution and signal formation mechanisms

A. N. Morozovska, E. A. Eliseev, N. Balke +1

Electrochemical insertion-deintercalation reactions are typically associated with significant change of molar volume of the host compound. This strong coupling between ionic curren…

cond-mat.str-el2010★ 12 cited

Implementation of the SU(2) Hamiltonian Symmetry for the DMRG Algorithm

G. Alvarez

In the Density Matrix Renormalization Group (DMRG) algorithm, Hamiltonian symmetries play an important role. Using symmetries, the matrix representation of the Hamiltonian can be b…

cond-mat.supr-con2010★ 148 cited

Sensitivity of the superconducting state and magnetic susceptibility to key aspects of electronic structure in ferropnictides

A. F. Kemper, T. A. Maier, S. Graser +3

Experiments on the iron-pnictide superconductors appear to show some materials where the ground state is fully gapped, and others where low-energy excitations dominate, possibly in…

cond-mat.mtrl-sci2010★ 65 cited

Electromechanical Probing of Ionic Currents in Energy Storage Materials

A. N. Morozovska, E. A. Eliseev, S. V. Kalinin

The electrochemical processes in energy storage materials are generally linked with changes of molar volume of the host compound. Here, the frequency dependent strain response of 1…

cond-mat.str-el2010★ 7 cited

Coexistence of Pairing Tendencies and Ferromagnetism in a Doped Two-Orbital Hubbard Model on Two-Leg Ladders

J. C. Xavier, G. Alvarez, A. Moreo +1

Using the Density Matrix Renormalization Group and two-leg ladders, we investigate an electronic two-orbital Hubbard model including plaquette diagonal hopping amplitudes. Our goal…