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Fabrication of thin carbon-backed target of .sup.185./sup.Re by evaporation technique and self supporting target of .sup.170./sup.Er by cold rolling technique for the study of nuclear reaction dynamics
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SYSNO ASEP 0616490 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Fabrication of thin carbon-backed target of 185Re by evaporation technique and self supporting target of 170Er by cold rolling technique for the study of nuclear reaction dynamics Author(s) Dhanda, N. (IN)
Kumar, A. (IN)
Sharma, C. (IN)
Sarma, L. (IN)
Prabhakar, D. K. (IN)
Khan, Mayur (UJF-V) ORCID
Dawar, A. (IN)Number of authors 7 Article number 114007 Source Title Vacuum. - : Elsevier - ISSN 0042-207X
Roč. 234, April (2025)Number of pages 10 s. Publication form Print - P Language eng - English Country GB - United Kingdom Keywords alpha Source measurement ; Energy dispersive X-ray diffraction (EDX) ; X-ray Diffraction (XRD) ; Rutherford Back-Scattering Spectroscopy (RBS) OECD category Coating and films Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 001407511300001 EID SCOPUS 85215583680 DOI https://doi.org/10.1016/j.vacuum.2024.114007 Annotation Thin, durable and uniform self-supporting isotopic targets of 170 Er and 185 Re targets with carbon backing have been fabricated by using cold-rolling and high vacuum evaporative deposition techniques respectively at Inter University Accelerator Centre (IUAC) target laboratory, New Delhi. For the fabrication of 185 Re, e-Gun (electron-Gun) evaporation technique was used. The thickness obtained for 170 Er was around 2.1 mg/cm2 and for 185 Re, it was 200 mu g/cm 2 with a carbon backing of 50 mu g/cm 2 . Using characterization techniques such as energy dispersive X-ray spectroscopy (EDX), Rutherford backscattering spectroscopy (RBS), alpha energy loss technique, and X-ray diffraction, the thickness and elemental composition of the targets were analyzed. These measurements essentially exhibited no contamination, indicating their excellent purity and durability. Both the targets were used in nuclear experiment performed at NAND (National Array of Neutron Detectors) facility, IUAC, New Delhi to study the nuclear reaction dynamics. For such kind of study, one needs pure targets without any contamination to ensure that the neutron data is coming only from the reaction of interest. For mass distribution measurements, thin target (100-200 mu g/cm 2 ) is the requirement. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2026 Electronic address https://www.sciencedirect.com/science/article/pii/S0042207X24010534
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