Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs

The analytical equation for the dissolution slowness surface of III–V crystals that belong to point group 4¯3 m is derived using a tensorial analysis of the anisotropic chemical dissolution. The role played by orientation functions in the generation of the dissolution slowness extrema is discussed....

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Main Authors: C. R. Tellier, G. Huve, T. G. Leblois
Format: Article
Language:English
Published: Wiley 2004-01-01
Series:Active and Passive Electronic Components
Online Access:http://dx.doi.org/10.1080/08827510310001616858
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author C. R. Tellier
G. Huve
T. G. Leblois
author_facet C. R. Tellier
G. Huve
T. G. Leblois
author_sort C. R. Tellier
collection DOAJ
description The analytical equation for the dissolution slowness surface of III–V crystals that belong to point group 4¯3 m is derived using a tensorial analysis of the anisotropic chemical dissolution. The role played by orientation functions in the generation of the dissolution slowness extrema is discussed. Four different databases composed of dissolution constants are proposed. The final shape of cross-sectional dissolution profiles etched in differently oriented GaAs surfaces is analyzed and compared with published experimental results. Finally etching shapes of micromachined membranes and mesa are derived showing that the anisotropy for the GaAs crystal is probably of type 2 rather than of type 1.
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institution Kabale University
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series Active and Passive Electronic Components
spelling doaj-art-d514ed5a85c340358c99dbc3362d10552025-02-03T01:12:03ZengWileyActive and Passive Electronic Components0882-75161563-50312004-01-0127313315410.1080/08827510310001616858Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAsC. R. Tellier0G. Huve1T. G. Leblois2Laboratoire de Chronométrie Electronique et Piézoélectricité, E.N.SM.M., 26 chemin de l'épitaphe, Besançon Cedex 25030, FranceLaboratoire de Chronométrie Electronique et Piézoélectricité, E.N.SM.M., 26 chemin de l'épitaphe, Besançon Cedex 25030, FranceLaboratoire de Chronométrie Electronique et Piézoélectricité, E.N.SM.M., 26 chemin de l'épitaphe, Besançon Cedex 25030, FranceThe analytical equation for the dissolution slowness surface of III–V crystals that belong to point group 4¯3 m is derived using a tensorial analysis of the anisotropic chemical dissolution. The role played by orientation functions in the generation of the dissolution slowness extrema is discussed. Four different databases composed of dissolution constants are proposed. The final shape of cross-sectional dissolution profiles etched in differently oriented GaAs surfaces is analyzed and compared with published experimental results. Finally etching shapes of micromachined membranes and mesa are derived showing that the anisotropy for the GaAs crystal is probably of type 2 rather than of type 1.http://dx.doi.org/10.1080/08827510310001616858
spellingShingle C. R. Tellier
G. Huve
T. G. Leblois
Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
Active and Passive Electronic Components
title Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
title_full Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
title_fullStr Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
title_full_unstemmed Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
title_short Anisotropic Chemical Etching of III—V Crystals Dissolution Slowness Surface and Application to GaAs
title_sort anisotropic chemical etching of iii v crystals dissolution slowness surface and application to gaas
url http://dx.doi.org/10.1080/08827510310001616858
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AT ghuve anisotropicchemicaletchingofiiivcrystalsdissolutionslownesssurfaceandapplicationtogaas
AT tgleblois anisotropicchemicaletchingofiiivcrystalsdissolutionslownesssurfaceandapplicationtogaas