File:SPVbands.png
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Summary
| Description | Two energy band diagrams illustrate the concept of surface photovoltage (SPV) in an n-type semiconductor. In a), surface defects cause the formation of a space-charge region (SCR) where the conduction band that is the origin of majority carriers is bent away from the Fermi level at the surface. b) Under illumination, the influx of minority carriers screens surface charges and flattens the bands. The SPV is the change in the potential at the surface due to illumination. Created by Alison Chaiken using xmgrace. |
| Date | 24 December 2006 (original upload date) |
| Source | No machine-readable source provided. Own work assumed (based on copyright claims). |
| Author | No machine-readable author provided. Chaiken assumed (based on copyright claims). |
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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| This licensing tag was added to this file as part of the GFDL licensing update. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:44, 24 December 2006 | | 662 × 468 (5 KB) | Chaiken | Two energy band diagrams illustrate the concept of surface photovoltage (SPV) in an n-type semiconductor. In a), surface defects cause the formation of a space-charge re |
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