Image icon  FeSi Single Crystal: Polyhedral Morphology

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Description: This photograph shows polyhedral morphology of a FeSi single crystal grown by dissolving arc-melted FeSi pieces in Sb or Sn flux at ˜1200°C, then slowly cooling down to ˜700°C. This material has a simple cubic structure and crystals grow as polyhedra or long bars. FeSi is a narrow-gap semiconductor, with a high density of states above and below the Fermi surface.
Keywords: arc-melting • polyhedral • FeSi • cubic structure • semiconductor • Fermi surface
Categories: Science approaches > Structure, bonding & defects > Crystal structure
Science approaches > Structure, bonding & defects > Crystallography
Properties > Electrical, magnetic & optical
Properties > Electrical, magnetic & optical > Semiconductivity
Testing, analysis & experimentation
Created by: Paul Canfield, AMES Laboratory, US Department of Energy
License: This resource is released under the Creative Commons Public Domain Mark license ( ).
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Date created: 22 January 2011
Date added: 13 October 2011
Resource ID: 3739