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17 papers · 2 filters
Phonon and magnetic dimer excitations in Fe-based S=2 spin ladder compound BaFeSeO
Z. V. Popović, M. Šćepanović, N. Lazarević +4
Raman scattering spectra of new Fe-based S=2 spin ladder compound BaFeSeO are measured in a temperature range between 15 K and 623 K. All six A and two B Rama…
Cu(IrCr)S: a model system for studying nanoscale phase coexistence at the metal-insulator transition
E. S. Bozin, K. R. Knox, P. Juhas +3
Increasingly, nanoscale phase coexistence and hidden broken symmetry states are being found in the vicinity of metal-insulator transitions (MIT), for example, in high temperature s…
Tunneling Electroresistance Induced by Interfacial Phase Transitions in Ultrathin Oxide Heterostructures
Lu Jiang, Woo Seok Choi, Hyoungjeen Jeen +8
The ferroelectric (FE) control of electronic transport is one of the emerging technologies in oxide heterostructures. Many previous studies in FE tunnel junctions (FTJs) exploited…
On the estimation of statistical uncertainties on powder diffraction and small angle scattering data from 2-D x-ray detectors
Xiaohao Yang, Pavol Juhas, Simon J. L. Billinge
This paper explores optimal methods for obtaining one-dimensional (1D) powder pattern intensities from two-dimensional (2D) planar detectors with good estimates of their standard d…
Momentum dependence in K-edge resonant inelastic x-ray scattering and its application to screening dynamics in CE-phase LaSrMnO
T. F. Seman, X. Liu, J. P. Hill +2
We present a formula for the calculation of K-edge resonant inelastic x-ray scattering on transition metal compounds, based on a local interaction between the valence shell electro…
Magnetic phase diagram of low-doped La{2-x}SrxCuO4 thin films studied by low-energy muon-spin rotation
E. Stilp, A. Suter, T. Prokscha +7
The magnetic phase diagram of La2-xSrxCuO4 thin-films grown on single-crystal LaSrAlO4 substrates has been determined by low-energy muon-spin rotation. The diagram shows the same f…