Iron—Selenium Fe—Se

  • Ortrud Kubaschewski von Goldbeck


The phase diagram (Fig. 77) has been adopted in its main features from a publication by Schuster et al. [1], who constructed the phase boundaries from their own investigations in the region 20–66at.% Se and data published by other investigators. Two liquid miscibility gaps, two compounds, namely tetragonal β(Fe1.04Se) and orthorhombic ε(FeSe2), and several Fe1−xSe (NiAs-related structures δ, δ′, γ, γ′) were observed. The Fe-rich hexagonal δphase transforms to a high temperature modification δ′ of unknown structure, and undergoes a λtransformation to the monoclinic γ′ phase.


Quartz Hexagonal Selenium Clarification Selenide 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1982

Authors and Affiliations

  • Ortrud Kubaschewski von Goldbeck
    • 1
  1. 1.Metallurgie der Kernbrennstoffe und Theoretische HüttenkundeRWTH AachenAachenFederal Republic of Germany

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