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Influence of the alloying effect on nickel K-shell fluorescence yield in Ni–Si alloys
Institution:1. Ankara Nuclear Research and Training Center, 06100 Ankara, Turkey;2. Gazi University, Faculty of Arts and Science, Department of Physics, 06100 Ankara, Turkey;3. Ankara University, Faculty of Engineering, Department of Physics Engineering, 06100 Ankara, Turkey;1. Department of Basic and Applied Sciences, Punjabi University, Patiala 147002, Punjab, India;2. Synchrotron Utilization and Materials Research Division, RRCAT, Indore 452013, India;1. BioISI-Biosystems & Integrative Sciences Institute, Faculdade de Ciências da Universidade de Lisboa, Campo Grande, C8, 1749-016 Lisboa, Portugal;2. Laboratório de Instrumentação, Engenharia Biomédica e Física da Radiação (LIBPhys-UNL), Departamento de Física, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Monte da Caparica, 2892-516 Caparica, Portugal;3. Laboratoire Kastler Brossel, UPMC-Sorbonne Universités, CNRS, ENS-PSL Research University, Collège de France, Case 74, 4, Place Jussieu, F-75005 Paris, France;1. Physics Department, Tshwane University of Technology, P Bag X680, Pretoria 0001, South Africa;2. iThemba LABS, National Research Foundation, P. O. Box 722, Somerset West 7129, South Africa;3. iThemba LABS Gauteng, National Research Foundation, P Bag 11, WITS 2050, Johannesburg, South Africa;4. Faculty of Health & Wellness Sciences, C.P.U.T., Bellville, South Africa;1. Centro de Física Atómica e Departamento de Física da Faculdade de Ciências da Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal;2. Centro de Física Atómica e Departamento de Física da Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Monte da Caparica, 2892-516 Caparica, Portugal;3. Laboratoire Kastler Brossel, Sorbonne Universités, UPMC Univ. Paris 06, Case 74; 4, place Jussieu, 75005 Paris, France;4. Laboratoire Kastler Brossel, CNRS, 75005, Paris, France;5. Laboratoire Kastler Brossel, Département de Physique de l’École Normale Supérieure, 24 Rue Lhomond, 75005, Paris, France;1. Afyonkarahisar Health Sciences University, Atatürk Vocational School of Health Service, Department of Medical Imaging Techniques, 03200 Afyonkarahisar, Turkey;2. Bingöl University, Vocational School of Social Sciences, Department of Property Protection and Security, Program of Occupational Health and Safety, 12000 Bingöl, Turkey;3. Bingöl University, Central Laboratory Application and Research Center, 12000 Bingöl, Turkey
Abstract:Alloying effects on the K-shell fluorescence yield ωK of nickel in Ni–Si binary alloy system have been studied by energy dispersive X-ray fluorescence. It is found that ωK increases from pure Ni to Ni2Si and then decreases from Ni2Si to NiSi. These results are discussed in terms of d-occupation number on the Ni site and it is concluded that electronic configuration as a result of p-d hybridization explain qualitatively the observed variation of ωK in Ni–Si alloys.
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