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Absence of long-range chemical ordering in equimolar FeCoCrNi
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10.1063/1.4730327
/content/aip/journal/apl/100/25/10.1063/1.4730327
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/25/10.1063/1.4730327
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Figures

Image of FIG. 1.
FIG. 1.

Simple cubic lattice (solid box) with the face-centered-cubic atomic basis. (a): The random solid solution where gray atoms represent an average atom. (b): The L12 ordered structure where the gray atoms represent Ni atoms for FeNi3 or a random mixture of Co, Cr, and Ni atoms for Fe(Co,Cr,Ni)3. (c): A fully ordered FeCoCrNi alloy.

Image of FIG. 2.
FIG. 2.

Real part of the scattering factor as a function of photon energy.8 The dashed vertical lines are the energies used in our experiments.

Image of FIG. 3.
FIG. 3.

Left axis: Intensity as a function of photon energy through a Fe foil. Right axis: Slope of intensity as a function of photon energy from right axis. The minima in the derivative give the Fe resonance at 7112 eV.

Image of FIG. 4.
FIG. 4.

Scattering as a function of momentum transfer Q from anomalous x-ray diffraction for (a) FeNi3 annealed, (b) FeNi3 quenched, (c) FeCoCrNi annealed, and (d) FeCoCrNi quenched. Superlattice reflections indicative of chemical ordering are denoted with an “s”.

Image of FIG. 5.
FIG. 5.

Scattering as a function of momentum transfer Q from neutron scattering for (a) FeNi3 quenched, (b) FeNi3 annealed, (c) FeCoCrNi quenched, and (d) FeCoCrNi annealed. Superlattice reflections indicative of chemical ordering are denoted with an “s”.

Image of FIG. 6.
FIG. 6.

Vibrational density of states for FeCoCrNi from inelastic scattering of neutrons (this work) and x-rays.24

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/content/aip/journal/apl/100/25/10.1063/1.4730327
2012-06-20
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Absence of long-range chemical ordering in equimolar FeCoCrNi
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/25/10.1063/1.4730327
10.1063/1.4730327
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