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Issue 21, 2020
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The effects of deuteration-levels in solution and temperature on the segregation coefficient of the deuterium content in rapid-grown K(DxH1−x)2PO4 crystals via Raman spectroscopy

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Abstract

A series of K(DxH1−x)2PO4 (DKDP) crystals with different saturating temperature and deuteration levels were grown via the point-seed rapid growth method. The correlation between the deuterium segregation coefficient and temperature, and deuterium content in a solution was studied via Raman spectroscopy. The intensity of the Raman peak has no obvious linear correlation with the deuterium content or growth temperature of the crystals. A low growth temperature at a lower deuterium content of a solution (30%) or a high temperature at a higher deuterium content of a solution (70%) both can achieve smaller gaps (10.47% and 14.62%, respectively) of the deuteration content between the DKDP crystals and solution. Our results evidence that the segregation coefficient of the deuterium of the point-seed rapid growth method depends on the deuterium content in the solution and temperature.

Graphical abstract: The effects of deuteration-levels in solution and temperature on the segregation coefficient of the deuterium content in rapid-grown K(DxH1−x)2PO4 crystals via Raman spectroscopy

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Article information


Submitted
13 Mar 2020
Accepted
29 Apr 2020
First published
30 Apr 2020

CrystEngComm, 2020,22, 3664-3669
Article type
Paper

The effects of deuteration-levels in solution and temperature on the segregation coefficient of the deuterium content in rapid-grown K(DxH1−x)2PO4 crystals via Raman spectroscopy

J. Huang, Z. Wang, B. Teng, H. Liu, X. Zheng and S. Ji, CrystEngComm, 2020, 22, 3664
DOI: 10.1039/D0CE00386G

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