Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers
Within the frequency interval of 10⁻¹ to 10⁶ Hz investigated were the frequency dependences of the capacitance C and resistance R for modified С60 films in darkness and on exposure to the focused white light. A clamping ITO electrode with an intermediate layer of isotropic liquid (glycerin or distil...
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| Дата: | 2005 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
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Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2005
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| Назва видання: | Semiconductor Physics Quantum Electronics & Optoelectronics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120976 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers / A.V. Koval'chuk, A.F. Shevchuk, D.A. Naiko, T.N. Koval'chuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2005. — Т. 8, № 3. — С. 92-99. — Бібліогр.: 18 назв. — англ. |
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irk-123456789-1209762017-06-14T03:03:56Z Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers Koval'chuk, A.V. Shevchuk, A.F. Naiko, D.A. Koval'chuk, T.N. Within the frequency interval of 10⁻¹ to 10⁶ Hz investigated were the frequency dependences of the capacitance C and resistance R for modified С60 films in darkness and on exposure to the focused white light. A clamping ITO electrode with an intermediate layer of isotropic liquid (glycerin or distilled water) was taken instead of the traditionally used deposited top metal electrode. Found are the conditions when C and R changes are caused by near-electrode (f < 10³ Hz) and bulk (f > 10⁴ Hz) processes. It was shown that the sharp reduction of C and R with growing the frequency corresponds to the transition from one condition to the other, and such process can be described with account of the “classical” Maxwell-Wagner mechanism of interlayer polarization. The relaxation time of such process was found to be equal approximately 10 ns. This time was shown to depend on the manufacturing technology of С₆₀ films. Having analyzed the obtained frequency dependences of C and R, an equivalent circuit of the sample was suggested. We estimated the thicknesses of the liquid layer (≈ 30 µm) and near-electrode layer of С₆₀ films (tens of nanometers). Comparing the frequency dependences of C and R on exposure to light of the bottom and top electrodes, it was assumed that the С₆₀ films under laser UV-irradiation is non-uniform in thickness. 2005 Article Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers / A.V. Koval'chuk, A.F. Shevchuk, D.A. Naiko, T.N. Koval'chuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2005. — Т. 8, № 3. — С. 92-99. — Бібліогр.: 18 назв. — англ. 1560-8034 PACS: 72.80 Rj, 73.61.Wp http://dspace.nbuv.gov.ua/handle/123456789/120976 en Semiconductor Physics Quantum Electronics & Optoelectronics Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
Within the frequency interval of 10⁻¹ to 10⁶ Hz investigated were the frequency dependences of the capacitance C and resistance R for modified С60 films in darkness and on exposure to the focused white light. A clamping ITO electrode with an intermediate layer of isotropic liquid (glycerin or distilled water) was taken instead of the traditionally used deposited top metal electrode. Found are the conditions when C and R changes are caused by near-electrode (f < 10³ Hz) and bulk (f > 10⁴ Hz) processes. It was shown that the sharp reduction of C and R with growing the frequency corresponds to the transition from one condition to the other, and such process can be described with account of the “classical” Maxwell-Wagner mechanism of interlayer polarization. The relaxation time of such process was found to be equal approximately 10 ns. This time was shown to depend on the manufacturing technology of С₆₀ films. Having analyzed the obtained frequency dependences of C and R, an equivalent circuit of the sample was suggested. We estimated the thicknesses of the liquid layer (≈ 30 µm) and near-electrode layer of С₆₀ films (tens of nanometers). Comparing the frequency dependences of C and R on exposure to light of the bottom and top electrodes, it was assumed that the С₆₀ films under laser UV-irradiation is non-uniform in thickness. |
| format |
Article |
| author |
Koval'chuk, A.V. Shevchuk, A.F. Naiko, D.A. Koval'chuk, T.N. |
| spellingShingle |
Koval'chuk, A.V. Shevchuk, A.F. Naiko, D.A. Koval'chuk, T.N. Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers Semiconductor Physics Quantum Electronics & Optoelectronics |
| author_facet |
Koval'chuk, A.V. Shevchuk, A.F. Naiko, D.A. Koval'chuk, T.N. |
| author_sort |
Koval'chuk, A.V. |
| title |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers |
| title_short |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers |
| title_full |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers |
| title_fullStr |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers |
| title_full_unstemmed |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers |
| title_sort |
photoelectric properties of modified c₆₀ films. maxwell-vagner type polarization between near-electrode and bulk layers |
| publisher |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| publishDate |
2005 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120976 |
| citation_txt |
Photoelectric properties of modified C₆₀ films. Maxwell-Vagner type polarization between near-electrode and bulk layers / A.V. Koval'chuk, A.F. Shevchuk, D.A. Naiko, T.N. Koval'chuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2005. — Т. 8, № 3. — С. 92-99. — Бібліогр.: 18 назв. — англ. |
| series |
Semiconductor Physics Quantum Electronics & Optoelectronics |
| work_keys_str_mv |
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2023-10-18T20:38:32Z |
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2023-10-18T20:38:32Z |
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