illumination intensity and applied bias voltage on dielectric properties of au/polyvinyl alcohol (Co, Zn-doped)/n-Si Schottky barrier diodes

The Au/polyvinyl alcohol (PVA) (Co, Zn-doped)/n-Si Schottky barrier diodes (SBDs) were exposed to various illumination intensities. Illumination effect on the dielectric properties has been investigated by using capacitance-voltage (C-V) and conductance-voltage (G/ω-V) characteristics at 1 MHz and r...

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Veröffentlicht in:Journal of applied polymer science 2011-04, Vol.120 (1), p.322-328
Hauptverfasser: Uslu, Habibe, Altındal, Şemsettin, Tunç, Tuncay, Uslu, İbrahim, Mammadov, Tofig S
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container_end_page 328
container_issue 1
container_start_page 322
container_title Journal of applied polymer science
container_volume 120
creator Uslu, Habibe
Altındal, Şemsettin
Tunç, Tuncay
Uslu, İbrahim
Mammadov, Tofig S
description The Au/polyvinyl alcohol (PVA) (Co, Zn-doped)/n-Si Schottky barrier diodes (SBDs) were exposed to various illumination intensities. Illumination effect on the dielectric properties has been investigated by using capacitance-voltage (C-V) and conductance-voltage (G/ω-V) characteristics at 1 MHz and room temperature. The values of dielectric constant (ε′), dielectric loss (ε″), loss tangent (tanδ), electric modulus (M′ and M″), and AC electrical conductivity (σAC) were found strongly intensity dependent on both the illumination levels and applied bias voltage especially in depletion and accumulation regions. Such bias and illumination dependency of these parameters can be explained on the basis of Maxwell-Wagner interfacial polarization and restructuring and reordering of charges at interface states. In addition, the ε′-V plots also show an intersection feature at ∼ 2.8 V and such behavior of the ε′-V plots appears as an abnormality compared with the conventional behavior of an ideal SBD. The obtained results revealed that illumination intensity enhances the conductivity of Au/PVA(Co, Zn-doped)/n-Si SBD.
doi_str_mv 10.1002/app.33131
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Illumination effect on the dielectric properties has been investigated by using capacitance-voltage (C-V) and conductance-voltage (G/ω-V) characteristics at 1 MHz and room temperature. The values of dielectric constant (ε′), dielectric loss (ε″), loss tangent (tanδ), electric modulus (M′ and M″), and AC electrical conductivity (σAC) were found strongly intensity dependent on both the illumination levels and applied bias voltage especially in depletion and accumulation regions. Such bias and illumination dependency of these parameters can be explained on the basis of Maxwell-Wagner interfacial polarization and restructuring and reordering of charges at interface states. In addition, the ε′-V plots also show an intersection feature at ∼ 2.8 V and such behavior of the ε′-V plots appears as an abnormality compared with the conventional behavior of an ideal SBD. The obtained results revealed that illumination intensity enhances the conductivity of Au/PVA(Co, Zn-doped)/n-Si SBD.</description><identifier>ISSN: 0021-8995</identifier><identifier>ISSN: 1097-4628</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.33131</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>AC electrical conductivity ; Application fields ; Applied sciences ; Bias ; Dielectric properties ; Diodes ; Electric potential ; Electronics ; Exact sciences and technology ; Illumination ; illumination effect ; Materials science ; Polymer industry, paints, wood ; Polymers ; Polyvinyl alcohol ; Polyvinyl alcohols ; PVA ; Semiconductor electronics. Microelectronics. Optoelectronics. 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Appl. Polym. Sci</addtitle><description>The Au/polyvinyl alcohol (PVA) (Co, Zn-doped)/n-Si Schottky barrier diodes (SBDs) were exposed to various illumination intensities. Illumination effect on the dielectric properties has been investigated by using capacitance-voltage (C-V) and conductance-voltage (G/ω-V) characteristics at 1 MHz and room temperature. The values of dielectric constant (ε′), dielectric loss (ε″), loss tangent (tanδ), electric modulus (M′ and M″), and AC electrical conductivity (σAC) were found strongly intensity dependent on both the illumination levels and applied bias voltage especially in depletion and accumulation regions. Such bias and illumination dependency of these parameters can be explained on the basis of Maxwell-Wagner interfacial polarization and restructuring and reordering of charges at interface states. In addition, the ε′-V plots also show an intersection feature at ∼ 2.8 V and such behavior of the ε′-V plots appears as an abnormality compared with the conventional behavior of an ideal SBD. The obtained results revealed that illumination intensity enhances the conductivity of Au/PVA(Co, Zn-doped)/n-Si SBD.</description><subject>AC electrical conductivity</subject><subject>Application fields</subject><subject>Applied sciences</subject><subject>Bias</subject><subject>Dielectric properties</subject><subject>Diodes</subject><subject>Electric potential</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Illumination</subject><subject>illumination effect</subject><subject>Materials science</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Polyvinyl alcohol</subject><subject>Polyvinyl alcohols</subject><subject>PVA</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. 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Microelectronics. Optoelectronics. Solid state devices</topic><topic>Technology of polymers</topic><topic>Voltage</topic><topic>voltage dependent</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Uslu, Habibe</creatorcontrib><creatorcontrib>Altındal, Şemsettin</creatorcontrib><creatorcontrib>Tunç, Tuncay</creatorcontrib><creatorcontrib>Uslu, İbrahim</creatorcontrib><creatorcontrib>Mammadov, Tofig S</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Uslu, Habibe</au><au>Altındal, Şemsettin</au><au>Tunç, Tuncay</au><au>Uslu, İbrahim</au><au>Mammadov, Tofig S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>illumination intensity and applied bias voltage on dielectric properties of au/polyvinyl alcohol (Co, Zn-doped)/n-Si Schottky barrier diodes</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. 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Such bias and illumination dependency of these parameters can be explained on the basis of Maxwell-Wagner interfacial polarization and restructuring and reordering of charges at interface states. In addition, the ε′-V plots also show an intersection feature at ∼ 2.8 V and such behavior of the ε′-V plots appears as an abnormality compared with the conventional behavior of an ideal SBD. The obtained results revealed that illumination intensity enhances the conductivity of Au/PVA(Co, Zn-doped)/n-Si SBD.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/app.33131</doi><tpages>7</tpages></addata></record>
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subjects AC electrical conductivity
Application fields
Applied sciences
Bias
Dielectric properties
Diodes
Electric potential
Electronics
Exact sciences and technology
Illumination
illumination effect
Materials science
Polymer industry, paints, wood
Polymers
Polyvinyl alcohol
Polyvinyl alcohols
PVA
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Technology of polymers
Voltage
voltage dependent
Zinc
title illumination intensity and applied bias voltage on dielectric properties of au/polyvinyl alcohol (Co, Zn-doped)/n-Si Schottky barrier diodes
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