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Vapour pressure measurements on Nd–Te system

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Abstract

Equilibrium vapour pressure measurements were carried out over the neodymium–tellurium samples using the non-isothermal isopiestic method. The samples were equilibrated in the temperature range from 821 to 1100 K. Using vapour pressure data obtained for the composition range ~ 64.0–74.5 at% Te, the thermodynamic activities of Te were determined. Non-stoichiometry in the NdTe2 phase has been precisely determined under experimental conditions reported.

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Acknowledgements

We express our sincere thanks to Mr. K. Haridas, Glass Blower, MCD, for vacuum sealing the isopiestic samples. We also thank Mr. D. Vijaya Kumar, CFED, for his support in maintaining the electrical and electronics system of the isopiestic experimental facility. We thank Ms. V. Dhibojini, University of Madras, for her assistance in this work.

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Authors and Affiliations

  1. Materials Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    S. Shyam Kumar & Rajesh Ganesan

  2. Homi Bhabha National Institute, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    S. Shyam Kumar, R. Mythili & Rajesh Ganesan

  3. Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    Arun Kumar Panda & R. Mythili

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  1. S. Shyam Kumar
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  2. Arun Kumar Panda
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Correspondence to Rajesh Ganesan.

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Kumar, S.S., Panda, A.K., Mythili, R. et al. Vapour pressure measurements on Nd–Te system. Monatsh Chem 155, 165–172 (2024). https://doi.org/10.1007/s00706-023-03153-5

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  • DOI: https://doi.org/10.1007/s00706-023-03153-5

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