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Current-Voltage and Low-Frequency Noise Characteristics of Structures with Porous Silicon Layers Exposed to Different Gases
Yerevan State University.
Yerevan State University.
Yerevan State University.
University of Trento.
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2007 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 38, no 1-2, 160-163 p.Article in journal (Refereed) Published
Abstract [en]

Current–voltage and noise characteristics of porous silicon (PS)/single crystalline silicon (SCS) samples were measured under exposure to dry air, air +0.4% CO, dry air +1.7% CO, and dry air+ethyl alcohol vapor. The samples have a sandwich structure comprising Al/PS/SCS/Al. For the dry air +CO mixtures, the noise level was sensitive not only to the presence of CO but also to its percentage, and an increase of the CO concentration led to a change in the spectral density function of the low-frequency noise.

Place, publisher, year, edition, pages
2007. Vol. 38, no 1-2, 160-163 p.
Keyword [en]
Porous silicon, Gas sensor, Carbon monoxide, Ethyl alcohol, Noise
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-14446DOI: 10.1016/j.physe.2006.12.057ISI: 000246465000036OAI: oai:DiVA.org:uu-14446DiVA: diva2:42216
Available from: 2008-01-30 Created: 2008-01-30 Last updated: 2017-12-11Bibliographically approved

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Granqvist, Claes G.

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