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- National Institute of Standards and TechnologyUS801 papers
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7 papers · 2 filters
Neutron and X-ray diffraction study of cubic [111] field cooled Pb(Mg1/3Nb2/3)O3
C. Stock, Guangyong Xu, P. M. Gehring +6
Neutron and x-ray diffraction techniques have been used to study the competing long and short-range polar order in the relaxor ferroelectric Pb(MgNb)O (PMN) u…
Definitive Evidence of Interlayer Coupling Between (Ga,Mn)As Layers Separated by a Nonmagnetic Spacer
B. J. Kirby, J. A. Borchers, X. Liu +3
We have used polarized neutron reflectometry to study the structural and magnetic properties of the individual layers in a series of (Al,Be,Ga)As/(Ga,Mn)As/GaAs/(Ga,Mn)As multilaye…
Electronic, dynamical, and thermal properties of ultra-incompressible superhard rhenium diboride: A combined first-principles and neutron scattering study
W. Zhou, H. Wu, T. Yildirim
Rhenium diboride is a recently recognized ultra-incompressible superhard material. Here we report the electronic (e), phonon (p), e-p coupling and thermal properties of ReB fro…
Anomalous phonon behavior in the high temperature shape memory alloy: TiPd:Cr
S. M. Shapiro, G. Xu, B. L. Winn +3
Ti50 Pd50-xCrx is a high temperature shape memory alloy with a martensitic transformation temperature strongly dependent on the Cr composition. Prior to the transformation a premar…
Structural Disorder and Properties of the Stuffed Pyrochlore Ho2TiO5
G. C. Lau, B. G. Ueland, M. L. Dahlberg +5
We report a structural and thermodynamic study of the "stuffed spin ice" material Ho2TiO5 (i.e., Ho2(Ti1.33Ho0.67)O6.67), comparing samples synthesized through two different routes…
Hydrogen Absorption Properties of Metal-Ethylene Complexes
W. Zhou, T. Yildirim, E. Durgun +1
Recently, we have predicted [Phys. Rev. Lett. 97, 226102 (2006)] that a single ethylene molecule can form stable complexes with light transition metals (TM) such as Ti and the resu…