Optical anisotropy of Ge(001)


Wormeester, H. and Wentink, D.J. and Boeij, P.L. de and Silfhout, A. van (1993) Optical anisotropy of Ge(001). Thin Solid Films, 233 (1-2). pp. 14-18. ISSN 0040-6090

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Abstract:The surface induced optical anisotropy in the electronic structure of clean Ge(001) 2×1 was studied with an ellipsometer at normal incidence. The change in the reflection difference between light polarized parallel and perpendicular to the dimer bond at this surface upon either absorption of molecular oxygen or Ar+ ion bombardment was recorded. Both procedures were found to give the same results. It was possible to obtain a qualitative agreement of the optical spectrum recorded and the position and parity of the occupied and unoccupied surface states known on the clean surface.
Item Type:Article
Copyright:© 1993 Elsevier Science
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/24105
Official URL:https://doi.org/10.1016/0040-6090(93)90052-Q
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