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8 papers · 2 filters
Characterization of low-energy magnetic excitations in chromium
H. Hiraka, P. Boni, K. Yamada +3
The low-energy excitations of Cr, i.e. the Fincher-Burke (FB) modes, have been investigated in the transversely polarized spin-density-wave phase by inelastic neutron scattering us…
A Neutron Elastic Diffuse Scattering Study of PMN
Guangyong Xu, G. Shirane, J. R. D. Copley +1
We have performed elastic diffuse neutron scattering studies on the relaxor Pb(MgNb)O (PMN). The measured intensity distribution near a (100) Bragg peak in the…
Electric Field Effects on the Diffuse Scattering in PZN-8%PT
P. M. Gehring, K. Ohwada, G. Shirane
We report measurements of the neutron diffuse scattering from a single crystal of the relaxor ferroelectric Pb(Zn_1/3Nb_2/3)O_3 doped with 8% PbTiO_3 (PZN-8%PT) for temperatures 10…
A Universal Phase Diagram for PMN-xPT and PZN-xPT
P. M. Gehring, W. Chen, Z. -G. Ye +1
The phase diagram of the Pb(Mg1/3Nb2/3)O3 and PbTiO3 solid solution (PMN-xPT) indicates a rhombohedral ground state for x < 0.32. X-ray powder measurements by Dkhil et al. show a r…
Investigation of the Jahn-Teller Transition in TiF3 using Density Functional Theory
Vasili Perebeinos, Tom Vogt
We use first principles density functional theory to calculate electronic and magnetic properties of TiF3 using the full potential linearized augmented plane wave method. The LDA a…
Temperature dependent total scattering structural study of CaCu3Ti4O12
E. S. Bozin, V. Petkov, P. W. Barnes +4
X-ray and neutron powder diffraction data as a function of temperature are analyzed for the colossal dielectric constant material CaCu3Ti4O12. The local structure is studied using…