Paper Title:
Determination of the Orientation Relations between the Low- and High-Temperature Phases of NiS
  Abstract

In order to get information about the transition mechanism, the temperature-induced transformation in the binary com¬pound NiS was investigated. Above 379 °C, a single crystal of millerite -NiS transforms to polycrystalline NiAs type -NiS with a sharp texture. Pole figures of both phases in the same orientation were measured using synchrotron radiation and an imaging plate detector. The Rietveld texture analysis showed that there are at least three components of the high-temperature -NiS phase. The main component shows the following orientation relations: [001]NiAs type  [001]millerite, [100]NiAs type  [210]millerite, [210]NiAs type  [100]millerite. The broad peaks of the recovered polycrystalline millerite occur at the same positions as the reflections of the original single crystal.

  Info
Periodical
Solid State Phenomena (Volume 160)
Edited by
H. Klein and R.A. Schwarzer
Pages
177-182
DOI
10.4028/www.scientific.net/SSP.160.177
Citation
H. Sowa, H. Klein, L. Raue, "Determination of the Orientation Relations between the Low- and High-Temperature Phases of NiS", Solid State Phenomena, Vol. 160, pp. 177-182, 2010
Online since
February 2010
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