Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors

The thermoelectric power and Hall effect of In2O3 single crystals, either undoped or Sn doped, and of In2O3 ceramics, either undoped or Sn or Ge doped, are investigated. All doped samples have negative thermoelectric power values. The metal-type conductivity occurs when the carrier concentration exc...

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Main Authors: S. J. Wen, G. Campet
Format: Article
Language:English
Published: Wiley 1993-01-01
Series:Active and Passive Electronic Components
Online Access:http://dx.doi.org/10.1155/1993/82760
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author S. J. Wen
G. Campet
author_facet S. J. Wen
G. Campet
author_sort S. J. Wen
collection DOAJ
description The thermoelectric power and Hall effect of In2O3 single crystals, either undoped or Sn doped, and of In2O3 ceramics, either undoped or Sn or Ge doped, are investigated. All doped samples have negative thermoelectric power values. The metal-type conductivity occurs when the carrier concentration exceeds l019 cm–3 The correspondence between the values of the thermoelectric power and those of the carrier mobility and carrier concentration is given. Most interestingly this study puts into light the enhanced carrier mobility occurring for Ge-doped In2O3 samples compared with ITO samples (Sn-doped In2O3 widely used in optoelectronic devices.
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institution Kabale University
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series Active and Passive Electronic Components
spelling doaj-art-7e90e910b5f34d01a62f3750ad5fb6bc2025-02-03T05:50:19ZengWileyActive and Passive Electronic Components0882-75161563-50311993-01-01161414710.1155/1993/82760Electronic Properties of Sn- or Ge-Doped In2O3 SemiconductorsS. J. Wen0G. Campet1Laboratoire de Chimie du Solide du CNRS, University of Bordeaux I, 351 Cours de la Libdéation, Talence 33405, FranceLaboratoire de Chimie du Solide du CNRS, University of Bordeaux I, 351 Cours de la Libdéation, Talence 33405, FranceThe thermoelectric power and Hall effect of In2O3 single crystals, either undoped or Sn doped, and of In2O3 ceramics, either undoped or Sn or Ge doped, are investigated. All doped samples have negative thermoelectric power values. The metal-type conductivity occurs when the carrier concentration exceeds l019 cm–3 The correspondence between the values of the thermoelectric power and those of the carrier mobility and carrier concentration is given. Most interestingly this study puts into light the enhanced carrier mobility occurring for Ge-doped In2O3 samples compared with ITO samples (Sn-doped In2O3 widely used in optoelectronic devices.http://dx.doi.org/10.1155/1993/82760
spellingShingle S. J. Wen
G. Campet
Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
Active and Passive Electronic Components
title Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
title_full Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
title_fullStr Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
title_full_unstemmed Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
title_short Electronic Properties of Sn- or Ge-Doped In2O3 Semiconductors
title_sort electronic properties of sn or ge doped in2o3 semiconductors
url http://dx.doi.org/10.1155/1993/82760
work_keys_str_mv AT sjwen electronicpropertiesofsnorgedopedin2o3semiconductors
AT gcampet electronicpropertiesofsnorgedopedin2o3semiconductors