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http://hdl.handle.net/11452/31484
Başlık: | Charge transfer properties through graphene for applications in gaseous detectors |
Yazarlar: | Franchino, S. Gonzalez-Diaz, Diego Hall-Wilton, Richard Jackman, Richard Muller, H. Nguyen, T. T. de Oliveira, R. Oliveri, Eraldo Pfeiffer, Dorothea Resnati, F. Ropelewski, L. Smith, Joe van Stenis, M. Streli, Christina Thuiner, P. Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü. Veenhof, Robert J. 6603742499 |
Anahtar kelimeler: | Instruments & instrumentation Nuclear science & technology Physics Graphene Micro-pattern gaseous detectors GEM Ion back-flow Carbon Charge transfer Electric fields Electron multipliers Gas detectors Gems Honeycomb structures Ions Charge transfer properties Copper substrates Gaseous detectors Gaseous electron multipliers Honeycomb lattices Mechanical and electrical properties Transparency properties |
Yayın Tarihi: | 11-Tem-2016 |
Yayıncı: | Elsevier |
Atıf: | Franchino, S. vd. (2016). "Charge transfer properties through graphene for applications in gaseous detectors". Nuclear Instruments and Methods in Physics Research, Section A- Accelerators, Spectrometers, Detectors and Associated Equipment, 824, 571-574. |
Özet: | Graphene is a single layer of carbon atoms arranged in a honeycomb lattice with remarkable mechanical and electrical properties. Regarded as the thinnest and narrowest conductive mesh, it has drastically different transmission behaviours when bombarded with electrons and ions in vacuum. This property, if confirmed in gas, may be a definitive solution for the ion back-flow problem in gaseous detectors. In order to ascertain this aspect, graphene layers of dimensions of about 2 x 2 cm(2), grown on a copper substrate, are transferred onto a flat metal surface with holes, so that the graphene layer is freely suspended. The graphene and the support are installed into a gaseous detector equipped with a triple Gaseous Electron Multiplier (GEM), and the transparency properties to electrons and ions are studied in gas as a function of the electric fields. The techniques to produce the graphene samples are described, and we report on preliminary tests of graphene-coated GEMs. |
URI: | https://doi.org/10.1016/j.nima.2015.11.077 https://www.sciencedirect.com/science/article/pii/S0168900215014515 http://hdl.handle.net/11452/31484 |
ISSN: | 0168-9002 1872-9576 |
Koleksiyonlarda Görünür: | Scopus Web of Science |
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