3 papers
cond-mat.mtrl-sci2016
Nonlinear optical properties of undoped and doped with Zr and Nb KTiOPO4 crystals
A. I. Lebedev
The structure of the ferroelectric phase of undoped KTiOPO and its solid solutions with zirconium and niobium is studied from first principles within the density functional the…
cond-mat.mtrl-sci2016
Ferroelectric phenomena in CdSnO3: a first-principles study
A. I. Lebedev
The phonon spectrum of cubic cadmium metastannate and the crystal structures of its distorted phases were calculated from first principles within the density functional theory. It…
cond-mat.mtrl-sci2016
On the nature of change in Ni oxidation state in BaTiO3-SrTiO3 system
A. I. Lebedev, I. A. Sluchinskaya
XAFS studies of Ni-doped BaSrTiO solid solution reveal that the Ni oxidation state changes from 4 in SrTiO to 2.5 in BaTiO when varying . This change is…