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8 papers · 2 filters
Bridging Phases at the Morphotropic Boundaries of Lead-Oxide Solid Solutions
B. Noheda, D. E. Cox
Ceramic solid solutions of PbZr(1-x)TixO3 (PZT) with compositions of about x= 0.50 are well-known for their extraordinarily large piezoelectric responses. The latter are highly ani…
Electron-hole and plasmon excitations in 3d transition metals: Ab initio calculations and inelastic x-ray scattering measurements
I. G. Gurtubay, J. M. Pitarke, Wei Ku +5
We report extensive all-electron time-dependent density-functional calculations and nonresonant inelastic x-ray scattering measurements of the dynamical structure factor of 3d tran…
Intermediate ferroelectric orthorhombic and monoclinic MB phases in [110]- electric field cooled Pb(Mg1/3Nb2/3)O3-30%PbTiO3 crystals
Hu Cao, Feiming Bai, Naigang Wang +4
Structural phase transformations of [110] electric field cooled Pb(Mg1/3Nb2/3)O3-30%PbTiO3 (PMN-30%PT) crystals have been performed by x-ray diffraction in a field-cooled (FC) cond…
Synthesis and characterization of Na03RhO206H2O - a semiconductor with a weak ferromagnetic component
S. Park, K. Kang, W. Si +5
We have prepared the oxyhydrate Na03RhO206H2O by extracting Na+ cations from NaRhO2 and intercalating water molecules using an aqueous solution of Na2S2O8. Synchrotron X-ray powder…
Synthesis and Structure of the Monolayer Hydrate K03CoO2 x 04H2O
S. Park, Y. Lee, W. Si +1
The monolayer hydrate (MLH) K03CoO2 x 04H2O was synthesized from K06CoO2 by extracting K+ cations using K2S2O8 as an oxidant and the subsequent intercalation of water between the l…
The Persistence and Memory of Polar Nano-Regions in a Ferroelectric Relaxor Under an Electric Field
Guangyong Xu, P. M. Gehring, G. Shirane
The response of polar nanoregions (PNR) in the relaxor compound Pb[(ZnNb)Ti]O subject to a [111]-oriented electric field has been studied by n…