In-Core Power Measurement Using SiC Semiconductor Detector
- Authors
- Park, Junesic; Son, Jaebum; Kim, Yong Kyun; Park, Se Hwan
- Issue Date
- Feb-2020
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Silicon carbide; Semiconductor detector; In-core detector; In-core experiment; Radiation damage
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.76, no.4, pp.306 - 310
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 76
- Number
- 4
- Start Page
- 306
- End Page
- 310
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2849
- DOI
- 10.3938/jkps.76.306
- ISSN
- 0374-4884
- Abstract
- A SiC detector was fabricated and tested in harsh radiation environment of the High Flux Advanced Neutron Application Reactor (HANARO) reactor core at Korea Atomic Energy Research Institute (KAERI). A 4H-SiC with 30 mu m thick epitaxial layer was used as the radiation sensor, and the detector was designed to be tolerable against thermal and radiation damages. Alpha response and I-V characteristics of fabricated SiC sensor was measured and detection performance of the SiC detector was evaluated in a neutron field of HANARO ex-core neutron irradiation facility. After preliminary tests, reactor power monitoring using the SiC detector was carried out by inserting it into the HANARO irradiation hole, IP-4. Radiation-induced current of the detector was recorded as reactor power increased up to 10 MWth. Maximum thermal and fast neutron fluxes were 9.4x10(12) and 2.5x10(9) neutrons/cm(2)/sec, respectively, and total neutron fluence irradiated on the detector was 4.7x10(16) neutrons/cm(2). The detector showed good linearity of response up to the tested fluence, with R-2 = 0.9997. Response speed of SiC detector was compared to that of a Rh self-powered neutron detector (SPND) in terms of signal saturation time. Averaged SiC detector saturation time was 12.8 seconds, approximately 11 times faster that of the Rh SPND.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 공과대학 > 서울 원자력공학과 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2849)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.