Investigation of temperature dependent dc current transport mechanism on Au/poly(4-vinyl phenol)/p-Si device
| Autor: | Nese Kavasoglu, Sener Oktik, Şadan Özden, A. Sertap Kavasoglu, Ozcan Birgi, Cem Tozlu, Bengul Metin, Osman Pakma |
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| Přispěvatelé: | MÜ, Fen Fakültesi, Fizik Bölümü, Kavasoğlu, Abdulkadir Sertap, Tozlu, Cem, Kavasoğlu, Neşe, Oktik, Şener |
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
Acoustics and Ultrasonics
Condensed matter physics Equivalent series resistance Physics Analytical chemistry Insulator (electricity) Thermionic emission Atmospheric temperature range Condensed Matter Physics Thermionic field emission Surfaces Coatings and Films Electronic Optical and Magnetic Materials Dc current chemistry.chemical_compound chemistry Phenol Quantum tunnelling |
| ISSN: | 0002-6794 |
| Popis: | WOS: 000267944000023 In this study, temperature dependent current-voltage (I-V) measurements and investigation of the dc current transport mechanism of Au/poly(4-vinyl phenol)/p-Si device have been performed. While the series resistance value displayed nearly temperature independent behaviour, the ideality factor varied between 7.26 and 2.76 in the temperature range 100-300 K. There is a linear relationship between the barrier height and the ideality factor which is attributed to barrier height inhomogeneities in the Au/poly(4-vinyl phenol)/p-Si device. The temperature dependent ideality factor behaviour shows that thermionic field emission theory is valid rather than thermionic emission theory and the characteristic tunnelling energy is calculated as 65 meV. It is concluded that poly(4-vinyl phenol) is a preferable organic insulator layer with low interface state density because the temperature dependent interface state density calculations give values of the order of 10(12) eV(-1) cm(-2). |
| Databáze: | OpenAIRE |
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