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Carbon-backed thin tin (116Sn) isotope target fabrication by physical vapor deposition technique

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Abstract

In nuclear reaction experiments, the thin targets are required. In the present work, 30 thin 116Sn targets were prepared using physical vapor deposition technique (preferable for thin film fabrication) on carbon backing with usage efficiency of 98%. The carbon-backed thin target films along with the parting agents are deposited on the particular substrates using a diffusion pump based coating unit. The thicknesses of the targets were verified using α-energy loss and RBS technique and they were in good agreement with each other. The purity of the target, verified using RBS, EDS and XRD techniques, were also tested with confirmation.

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Acknowledgements

Authors are thankful to Dr. D. Kanjilal, IUAC for extending FESEM facility, procured under Geochronology Project [MoES/P.O.(Seismic)8(09) Geochron/2012]. Authors are also thankful to Dr. Sunil Ojha, IUAC, for the help and support extended towards RBS and EDS characterizations; Health Physics Department, IUAC for providing the strong radioactive source and Mr. Dipak Das on behalf of the Sophisticated Analytical Instrument Facility (SAIF)—XRD, Department of Intrumentation and USIC, Gauhati University, Guwahati—14, Assam. Authors also thank Mr. M. M. Hosamani, Karnatak University, and Dr. Mausumi Das, Gauhati University, for fruitful suggestions regarding this work. One of the authors (N. K. Deb) gratefully acknowledges the Council of Scientific and Industrial Research (CSIR) (Grant No. 09/059(0056)/2014-EMR-I), New Delhi for the award of junior research fellowship in order to carry out this work.

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Authors and Affiliations

  1. Department of Physics, Gauhati University, Guwahati, Assam, 781014, India

    Nabendu Kumar Deb, Kushal Kalita & Amar Das

  2. Department of Physics, Central University of Jharkhand, Ranchi, 835205, Jharkhand, India

    Pankaj Kumar Giri

  3. Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi, 110067, India

    S. R. Abhilash, G. R. Umapathy, Rohan Biswas, D. Kabiraj & S. Chopra

  4. Department of Physics, Rangia College, Rangia, Assam, 781354, India

    M. Bhuyan

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  1. Nabendu Kumar Deb
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  2. Kushal Kalita
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  3. Pankaj Kumar Giri
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  4. S. R. Abhilash
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  5. G. R. Umapathy
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  6. Rohan Biswas
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  7. Amar Das
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  8. D. Kabiraj
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  9. S. Chopra
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Correspondence to Kushal Kalita.

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Deb, N.K., Kalita, K., Giri, P.K. et al. Carbon-backed thin tin (116Sn) isotope target fabrication by physical vapor deposition technique. J Radioanal Nucl Chem 326, 97–104 (2020). https://doi.org/10.1007/s10967-020-07316-0

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  • DOI: https://doi.org/10.1007/s10967-020-07316-0

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