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Synthesis and characterization of nitrides of iridium and palladium

Published online by Cambridge University Press:  31 January 2011

Jonathan C. Crowhurst
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, California 94551
Alexander F. Goncharov
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, California 94551; and Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015
B. Sadigh
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, California 94551
J.M. Zaug
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, California 94551
D. Aberg
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, California 94551
Yue Meng
Affiliation:
High Pressure Collaborative Access Team (HPCAT), Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439
Vitali B. Prakapenka
Affiliation:
GeoSoilEnviro Consortium for Advanced Radiation Sources (GSECARS), University of Chicago, Chicago, Illinois 60637
Corresponding
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Abstract

We describe the synthesis of nitrides of iridium and palladium using the laser-heated diamond anvil cell. We have used the in situ techniques of x-ray powder diffraction and Raman scattering to characterize these compounds and have compared our experimental findings where possible to the results of first-principles theoretical calculations. We suggest that palladium nitride is isostructural with pyrite, while iridium nitride has a monoclinic symmetry and is isostructural with baddeleyite.

Type
Outstanding Symposium Papers
Copyright
Copyright © Materials Research Society 2008

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