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- Title
Synergistic Radiation Effects in PPD CMOS Image Sensors Induced by Neutron Displacement Damage and Gamma Ionization Damage.
- Authors
Wang, Zu-Jun; Xue, Yuan-Yuan; Tang, Ning; Huang, Gang; Nie, Xu; Lai, Shan-Kun; He, Bao-Ping; Ma, Wu-Ying; Sheng, Jiang-Kun; Gou, Shi-Long
- Abstract
The synergistic effects on the 0.18 µm PPD CISs induced by neutron displacement damage and gamma ionization damage are investigated. The typical characterizations of the CISs induced by the neutron displacement damage and gamma ionization damage are presented separately. The CISs are irradiated by reactor neutron beams up to 1 × 1011 n/cm2 (1 MeV neutron equivalent fluence) and 60Co γ-rays up to the total ionizing dose level of 200 krad(Si) with different sequential order. The experimental results show that the mean dark signal increase in the CISs induced by reactor neutron radiation has not been influenced by previous 60Co γ-ray radiation. However, the mean dark signal increase in the CISs induced by 60Co γ-ray radiation has been remarkably influenced by previous reactor neutron radiation. The synergistic effects on the PPD CISs are discussed by combining the experimental results and the TCAD simulation results of radiation damage.
- Subjects
CMOS image sensors; NEUTRONS; NEUTRON irradiation; RADIATION; NEUTRON beams; RADIATION damage
- Publication
Sensors (14248220), 2024, Vol 24, Issue 5, p1441
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s24051441