Nov 19 – 21, 2014
Europe/Zurich timezone

Surface Properties of Proton and Gamma Irradiated End-Cap Strip Mini Sensors

Nov 21, 2014, 10:00 AM
500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium


503-1-001 (Council Chamber) on 19th Nov ; 500-1-001(Main auditorium) on 20th in the morning and 4-3-006 (TH auditorium) in the afternoon; 500-1-001(Main auditorium) on 21st Nov.
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Marcela Mikestikova (Acad. of Sciences of the Czech Rep. (CZ))


The electrical characteristics of different types of end-cap miniature silicon strip sensors, ATLAS12A, were evaluated before and after proton and gamma irradiation. We report on the bulk damage aspects, including the increase of leakage current and evaluation of the full depletion voltage as well as the surface damage, including the decrease of inter-strip resistance, changes in inter-strip capacitance and the effectiveness of punch-through protection structure. It was verified that different geometries of end-cap sensors do not influence their stability; the sensors should provide acceptable strip isolation and new gate PTP structure functions well, even at the highest tested proton fluence 2E15 neq/cm^2.

Primary authors

Jan Stastny (Acad. of Sciences of the Czech Rep. (CZ)) Marcela Mikestikova (Acad. of Sciences of the Czech Rep. (CZ)) Zdenek Kotek (Acad. of Sciences of the Czech Rep. (CZ))

Presentation materials