Abstract—
In this paper, we discuss general aspects of the impurity composition of high-purity solid halides, which are exemplified by an array of samples in the Permanent Exhibition–Collection of Extrapure Substances. We estimate the average and total concentrations of elemental impurities in the purest samples and assess the contributions of individual impurity classes to the total impurity concentration, which makes it possible to more accurately characterize the impurity composition of solid halides and statistic characteristics used to describe it.
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ACKNOWLEDGMENTS
We are grateful to our colleagues at the LANHIT Co. for supplying the high-purity solid halide samples, which constitute the basis of this section of the Exhibition–Collection of Extrapure Substances, and our colleagues at the analytical centers at the Devyatykh Institute of Chemistry of High-Purity Substances, Russian Academy of Sciences; the Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences; and JSC Giredmet Russian Federation State Research Center for analyzing the samples for their impurity composition.
Funding
This work was supported by the Russian Federation Ministry of Science and Higher Education (state research target for the Devyatykh Institute of Chemistry of High-Purity Substances, Russian Academy of Sciences; theme no. 0095-2019-0002: Development of the Permanent Exhibition–Collection of Extrapure Substances. Databases of high-purity substances and materials for microelectronics and photonics).
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Translated by O. Tsarev
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Lazukina, O.P., Malyshev, K.K., Volkova, E.N. et al. Impurity Composition of High-Purity Solid Halides. Inorg Mater 55, 1273–1284 (2019). https://doi.org/10.1134/S0020168519110098
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DOI: https://doi.org/10.1134/S0020168519110098