NDLI: Diamond for actinide traces detection and spectrometry in liquids

Content Provider	IEEE Xplore Digital Library
Author	Pomorski, M. Mer, C. de Sanoit, J. Thuan Quang Tran Bergonzo, P.
Copyright Year	2013
Description	Author affiliation: Diamond Sensors Lab., CE Saclay, Gif-sur-Yvette, France (Pomorski, M.; Mer, C.; de Sanoit, J.; Thuan Quang Tran; Bergonzo, P.)
Abstract	We describe here a new approach for the detection and identification of actinides (Am, Pu, Cm etc) at very low activity levels in aqueous solution. The measurement consists at first in the electroprecipitation of the actinides ions as insoluble hydroxides directly onto a boron doped nanocrystalline diamond (BNCD) electrode deposited on an α-particle detector (Si or Si-PIN diode), followed by α-particles detection using front-end nuclear electronics. After α-particles counting, spectrometry, the detector can be easily decontaminated using anodization in aqueous solution to be able to be reused at once. The detection limit of the described prototype system can be estimated as low as a few mBq/L (for one day counting) to several mBq/L for 5h counting and currently achieved energy resolution amounts to $ΔE_{FWHM}/E_{α}$ = 2.3% for pulse height spectra of 5.486 MeV α-particles emitted by $^{241}Am,$ measured directly in water.
Starting Page	1
Ending Page	6
File Size	918559
Page Count	6
File Format	PDF
e-ISBN	9781479910472
DOI	10.1109/ANIMMA.2013.6727986
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-23
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Liquids Actinides CVD diamond Diamonds A particle spectroscopy Ions Silicon Water pollution Sensors Detection Electroprecipitation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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