Study of radiation effects on AC-coupled silicon strip detectors

D. D. Pitzl, N. Cartiglia, K. Clark, B. Hubbard, J. Leslie, K. O'Shaughnessy, W. Rowe, H. F.W. Sadrozinski, E. Spencer, H. J. Ziock, P. Ferguson, E. C. Milner, W. F. Sommer, J. Ellison

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

AC-coupled silicon strip detectors were exposed to neutron fluences of 5·1013n/cm2 and to Co60 photon doses of 2.8 Mrad. No change in the value of the coupling capacitors was observed. Polysilicon resistor values increased by 15% and saturated after 200 krad photon dose. They were stable under neutron irradiation. Thee interstrip punchthrough threshold voltage increased from 4 to 13 V under photon irradiation. The accumulation of fixed charges in SiO2 was measured using MOS capacitors and the photon-induced surface current generation velocity was determined with gated diodes.

Original languageEnglish
Pages (from-to)340-346
Number of pages7
JournalNuclear Physics B - Proceedings Supplements
Volume23
Issue number1
DOIs
StatePublished - Jul 1991
Externally publishedYes

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