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Synthesis and Characterization of Nitrides of Iridium and Palladium

Published online by Cambridge University Press:  26 February 2011

Jonathan Crowhurst ,
Alexander Goncharov ,
Babak Sadigh ,
Joseph Zaug ,
Yue Meng  and
Vitali Prakapenka
Jonathan Crowhurst
Affiliation:
[email protected], Lawrence Livermore National Laboratory, Chemistry and Chemical Engineering, 7000 E Avenue, Livermore, CA, 94551, United States
Alexander Goncharov
Affiliation:
[email protected], Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC, 20015, United States
Babak Sadigh
Affiliation:
[email protected], Lawrence Livermore National Laboratory, 7000 E Avenue, Livermore, CA, 94551, United States
Joseph Zaug
Affiliation:
[email protected], Lawrence Livermore National Laboratory, 7000 E Avenue, Livermore, CA, 94551, United States
Yue Meng
Affiliation:
[email protected], HPCAT, Advanced Photon Source, Argonne National Laboratory, Argonne, IL, 60439, United States
Vitali Prakapenka
Affiliation:
[email protected], GSECARS, Advanced Photon Source, Argonne National Laboratory, Argonne, IL, 60439, United States
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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 may be isostructural with baddeleyite.

Keywords

chemical reactionRaman spectroscopynitride
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 987: Symposium PP – Materials Research at High Pressure , 2006 , 0987-PP01-01
Copyright
Copyright © Materials Research Society 2007

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