Capacitance-Based Dosimetry of Co-60 Radiation Using Fully-Depleted Silicon-on-Insulator Devices

Yulong Li; Warren M. Porter; Rui Ma; Margaret A. Reynolds; Bruce J. Gerbi; Steven J. Koester

doi:10.1109/TNS.2015.2487239

Capacitance-Based Dosimetry of Co-60 Radiation Using Fully-Depleted Silicon-on-Insulator Devices

Yulong Li, Warren M. Porter, Rui Ma, Margaret A. Reynolds, Bruce J. Gerbi, Steven J. Koester

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The capacitance-based sensing of fully-depleted silicon-on-insulator (FDSOI) variable capacitors for Co-60 gamma radiation is investigated. Linear response of the capacitance is observed for radiation dose up to 64 Gy, while the percent capacitance change per unit dose is as high as 0.24%/Gy. An analytical model is developed to study the operational principles of the varactors and the maximum sensitivity as a function of frequency is determined. The results show that FDSOI varactor dosimeters have potential for extremely-high sensitivity as well as the potential for high frequency operation in applications such as wireless radiation sensing.

Original language	English (US)
Article number	7322297
Pages (from-to)	3012-3019
Number of pages	8
Journal	IEEE Transactions on Nuclear Science
Volume	62
Issue number	6
DOIs	https://doi.org/10.1109/TNS.2015.2487239
State	Published - Dec 2015

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1 Active

MRSEC IRG-1: Electrostatic Control of Materials
Leighton, C., Birol, T., Fernandes, R. M., Frisbie, D., Goldman, A. M., Greven, M., Jalan, B., Koester, S. J., He, T., Jeong, J. S., Koirala, S., Paul, A., Thoutam, L. R. & Yu, G.
9/1/98 → …
Project: Research project
University of Minnesota MRSEC (DMR-1420013)
Lodge, T.
11/1/14 → 10/31/20
Project: Research project

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title = "Capacitance-Based Dosimetry of Co-60 Radiation Using Fully-Depleted Silicon-on-Insulator Devices",

abstract = "The capacitance-based sensing of fully-depleted silicon-on-insulator (FDSOI) variable capacitors for Co-60 gamma radiation is investigated. Linear response of the capacitance is observed for radiation dose up to 64 Gy, while the percent capacitance change per unit dose is as high as 0.24%/Gy. An analytical model is developed to study the operational principles of the varactors and the maximum sensitivity as a function of frequency is determined. The results show that FDSOI varactor dosimeters have potential for extremely-high sensitivity as well as the potential for high frequency operation in applications such as wireless radiation sensing.",

author = "Yulong Li and Porter, {Warren M.} and Rui Ma and Reynolds, {Margaret A.} and Gerbi, {Bruce J.} and Koester, {Steven J.}",

year = "2015",

month = dec,

doi = "10.1109/TNS.2015.2487239",

language = "English (US)",

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AU - Li, Yulong

AU - Porter, Warren M.

AU - Ma, Rui

AU - Reynolds, Margaret A.

AU - Gerbi, Bruce J.

AU - Koester, Steven J.

PY - 2015/12

Y1 - 2015/12

N2 - The capacitance-based sensing of fully-depleted silicon-on-insulator (FDSOI) variable capacitors for Co-60 gamma radiation is investigated. Linear response of the capacitance is observed for radiation dose up to 64 Gy, while the percent capacitance change per unit dose is as high as 0.24%/Gy. An analytical model is developed to study the operational principles of the varactors and the maximum sensitivity as a function of frequency is determined. The results show that FDSOI varactor dosimeters have potential for extremely-high sensitivity as well as the potential for high frequency operation in applications such as wireless radiation sensing.

AB - The capacitance-based sensing of fully-depleted silicon-on-insulator (FDSOI) variable capacitors for Co-60 gamma radiation is investigated. Linear response of the capacitance is observed for radiation dose up to 64 Gy, while the percent capacitance change per unit dose is as high as 0.24%/Gy. An analytical model is developed to study the operational principles of the varactors and the maximum sensitivity as a function of frequency is determined. The results show that FDSOI varactor dosimeters have potential for extremely-high sensitivity as well as the potential for high frequency operation in applications such as wireless radiation sensing.

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Capacitance-Based Dosimetry of Co-60 Radiation Using Fully-Depleted Silicon-on-Insulator Devices

Abstract

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MRSEC IRG-1: Electrostatic Control of Materials

University of Minnesota MRSEC (DMR-1420013)

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