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Comments on “Investigation on synthesis, laser damage threshold, and NLO properties of l-asparagine thioacetamide single crystal for photonic device applications” [J Mater Sci: Mater Electron. 31, 13310–13320 (2020)]

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The Original Article was published on 06 July 2020

Abstract

The authors of the title paper [J. Mater. Sci. Mater. Electron. 31, 13310–13320 (2020)] report to have grown a so-called l-asparagine thioacetamide (LATA) single crystal by slow evaporation of an aqueous solution containing l-asparagine monohydrate and thioacetamide in 1:1 ratio. The same research group has claimed in another paper [J. Mater. Sci. Mater. Electron. 31, 791–798 (2020)] to have grown a so-called NLO-active potassium hydrogen phthalate fumaric acid crystal (KHPF). In this comment we prove that LATA and KHPF are improperly characterized crystals and both papers are erroneous.

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Fig. 1
Scheme 1

References

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Acknowledgements

BRS acknowledges the Department of Science & Technology (DST) New Delhi for the sanction of a Bruker D8 Quest Eco single crystal diffractometer to the School of Sciences (formerly Department of Chemistry) Goa University under the DST-FIST programme.

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  1. School of Chemical Sciences, Goa University, Goa, 403206, India

    Bikshandarkoil R. Srinivasan & Megha S. Deshpande

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  1. Bikshandarkoil R. Srinivasan
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  2. Megha S. Deshpande
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Correspondence to Bikshandarkoil R. Srinivasan.

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Srinivasan, B.R., Deshpande, M.S. Comments on “Investigation on synthesis, laser damage threshold, and NLO properties of l-asparagine thioacetamide single crystal for photonic device applications” [J Mater Sci: Mater Electron. 31, 13310–13320 (2020)]. J Mater Sci: Mater Electron 32, 14123–14127 (2021). https://doi.org/10.1007/s10854-021-06014-1

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