Resolving and imaging ultra-low H concentrations in partially protonated Mg:α Al2O3 using FRET and the luminescence lifetime of Cr3+-Reference-Cited by-同舟云学术

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Resolving and imaging ultra-low H concentrations in partially protonated Mg:α Al₂O₃ using FRET and the luminescence lifetime of Cr³⁺

Published:2024 Issue: Volume: Page:
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Jones Daniel C.¹^ORCID,Jollands Michael C.²,Jin Shiyun³,Stewart-Barry Sebastian S.⁴,Dale Matthew W.⁵^ORCID,Green Ben L.⁴^ORCID

Affiliation:

1. Gemological Institute of America, New Jersey, USA

2. Gemological Institute of America, 50 W. 47th St, New York, NY 10036, USA

3. Gemological Institute of America, 5345 Armada Drive, Carlsbad, CA 92008, USA

4. University of Warwick, Coventry, CV4 7AL, UK

5. De Beer Group, Belmont Road, Maidenhead, SL6 6JW, UK

Abstract

Lifetime spectroscopy has been used to measure hydrogen in corundum on the order of 10’s ppb. In contrast to FTIR and other techniques this shows significantly higher sensitivity, and resolution, with the expanded capability of 3D imaging.

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/TC/D4TC02646B

Reference38 articles.

1. Tritium Diffusion in A12O3 and BeO

2. Proton conduction in α-alumina and its application to hydrogen sensor for molten metals

3. B.Smith , Infrared Spectral Interpretation , CRC Press , 2018

4. F. A.Kröger and H. J.Vink , Relations between the Concentrations of Imperfections in Crystalline Solids , 1956 , pp. 307–435

5. Solubility of Magnesia in Polycrystalline Alumina at High Temperatures

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