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- Argonne National LaboratoryUS419 papers
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9 papers · 2 filters
Domain-specific magnetization reversals on a permalloy square ring array
D. R. Lee, J. W. Freeland, G. Srajer +2
We present domain-specific magnetization reversals extracted from soft x-ray resonant magnetic scattering measurement on a permalloy square ring array. The extracted domain-specifi…
Electronic Structure of Transition-Metal Dicyanamides Me[N(CN)] (Me = Mn, Fe, Co, Ni, Cu)
D. O. Demchenko, Amy Y. Liu, E. Z. Kurmaev +7
The electronic structure of Me[N(CN)] (Me=Mn, Fe, Co, Ni, Cu) molecular magnets has been investigated using x-ray emission spectroscopy (XES) and x-ray photoelectron spectr…
Melting of tantalum at high pressure determined by angle dispersive x-ray diffraction in a double-sided laser-heated diamond-anvil cell
D. Errandonea, M. Somayazulu, D. Hausermann +1
The high pressure and high temperature phase diagram of Ta has been studied in a laser-heated diamond-anvil cell (DAC) using x-ray diffraction measurements up to 52 GPa and 3800 K.…
Possible superlattice formation in high-temperature treated carbonaceous MgB2 at elevated pressure
O. Tschauner, D. Errandonea, G. C. Serghiou
We report indications of a phase transition in carbonaceous MgB2 above 9 GPa at 300 K after stress relaxation by laser heating. The transition was detected using Raman spectroscopy…
Induced Ge Spin Polarization at the Fe/Ge Interface
J. W. Freeland, R. H. Kodama, M. Vedpathak +5
We report direct experimental evidence showing induced magnetic moments on Ge at the interface in an Fe/Ge system. Details of the x-ray magnetic circular dichroism and resonant mag…
Effects of pressure on the local atomic structure of CaWO4 and YLiF4: Mechanism of the scheelite-to-wolframite and scheelite-to-fergusonite transitions
D. Errandonea, F. J. Manjon, M. Somayazulu +1
The pressure response of the scheelite phase of CaWO4 (YLiF4) and the occurrence of the pressure induced scheelite-to-wolframite (M-fergusonite) transition are reviewed and discuss…