Curry, J.
, Henins, A.
, Hardis, J.
, Estupinan, E.
, Lapatovich, W.
and Shastri, S.
(2013),
Enhancement of lanthanide evaporation by complexation: DyI3/InI and TmI3/TlI, Journal of Chemical Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=913284
(Accessed October 9, 2024)
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Enhancement of lanthanide evaporation by complexation: DyI3/InI and TmI3/TlI
Published
Author(s)
, , , E. G. Estupinan, W. P. Lapatovich, S. D. Shastri
Abstract
The vapors in equilibrium with condensates of DyI$_3$, DyI$_3$/InI, TmI$_3$, and TmI$_3$/TlI have been observed over the temperature range 900 K to 1400 K using x-ray induced fluorescence. The total densities of each element (Dy, Tm, In, Tl, and I) in the vapor, summed over all atomic and molecular species, was determined. Dramatic enhancements in the total vapor densities of Dy and Tm were observed to occur in the vapors over DyI$_3$/InI and TmI$_3$/TlI as compared to the vapors over pure DyI$_3$ and pure TmI$_3$, respectively. Such enhancements are expected from the formation of the vapor-phase hetero-complexes DyInI$_4$ and TmTlI$_4$. Numerical simulations of the thermo-chemical equilibrium suggest he importance of additional complexes. A description of the measurement technique is given.Citation
Journal of Chemical Physics
Volume
139
Pub Type
Journals
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Keywords
complexation, enhancement, evaporation, lighting, thermodynamic equilibrium, vapor pressure, x-ray fluorescence
Citation
Issues
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Created September 30, 2013, Updated February 19, 2017