The observation of scintillation in a hydrated inorganic compound: CeCl3·6H2O

L. A. Boatner; J. S. Neal; J. O. Ramey; B. C. Chakoumakos; R. Custelcean

doi:10.1063/1.4823707

The observation of scintillation in a hydrated inorganic compound: CeCl₃·6H₂O

L. A. Boatner, J. S. Neal, J. O. Ramey, B. C. Chakoumakos, R. Custelcean

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Abstract

We have recently reported the discovery of a family of rare-earth metal-organic single-crystal scintillators based on Ce³ as the activator ion. Starting with the CeCl₃(CH₃OH)₄ prototype, this family of scintillators has recently been extended to include complex metal-organic adducts produced by reacting CeCl₃ with heavier organics (e.g., isomers of propanol and butanol). Some of these rare-earth metal-organic materials incorporated waters of hydration in their structures, and the observation of scintillation in these hydrated compounds was an original finding for any solid scintillator. In the present work, we report the observation of gamma-ray-excited scintillation in an inorganic hydrated material, namely, single-crystal monoclinic CeCl₃·6H ₂O. This observation shows that the mechanisms of the various scintillation energy-transfer processes are not seriously inhibited by the presence of waters of hydration in an inorganic material and that the observation of scintillation in other hydrated inorganic compounds is not precluded.

Original language	English
Article number	141909
Journal	Applied Physics Letters
Volume	103
Issue number	14
DOIs	https://doi.org/10.1063/1.4823707
State	Published - Sep 30 2013

Funding

The authors acknowledge with thanks contributions to the solution growth of single crystals of CeCl 3 ·6H 2 O by Jason L. Ramey and Shelby Brackett—summer students at ORNL working under the auspices of the Higher Education Research Experience (HERE) program. This research was supported by the U.S. Department of Energy, Office of Nonproliferation Research and Development, NA-22, in the National Nuclear Security Administration (NNSA). B.C.C. was supported by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. R.C. was supported by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy.

Funders	Funder number
Office of Basic Energy Sciences
Office of Nonproliferation Research and Development	NA-22
Scientific User Facilities Division
U.S. Department of Energy
National Nuclear Security Administration
Chemical Sciences, Geosciences, and Biosciences Division

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abstract = "We have recently reported the discovery of a family of rare-earth metal-organic single-crystal scintillators based on Ce3 as the activator ion. Starting with the CeCl3(CH3OH)4 prototype, this family of scintillators has recently been extended to include complex metal-organic adducts produced by reacting CeCl3 with heavier organics (e.g., isomers of propanol and butanol). Some of these rare-earth metal-organic materials incorporated waters of hydration in their structures, and the observation of scintillation in these hydrated compounds was an original finding for any solid scintillator. In the present work, we report the observation of gamma-ray-excited scintillation in an inorganic hydrated material, namely, single-crystal monoclinic CeCl3·6H 2O. This observation shows that the mechanisms of the various scintillation energy-transfer processes are not seriously inhibited by the presence of waters of hydration in an inorganic material and that the observation of scintillation in other hydrated inorganic compounds is not precluded.",

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The observation of scintillation in a hydrated inorganic compound: CeCl₃·6H₂O

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