Electrochemical synthesis and characterization of erbium oxide |
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| Affiliation: | 1. Department of Chemistry, Faculty of Science and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;2. Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, P.O.Box-1988, Najran 11001, Saudi Arabia;3. Department of Materials Science, University of Patras, Patras GR-26504, Greece;4. School of Semiconductor and Chemical Engineering, Nanomaterials Processing Research Center, Chonbuk National University, 567 Baekjedaero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Republic of Korea;5. Department of Physics, Faculty of Science and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;6. Department of Physics, Faculty of Science, King Khalid University, P.O.Box-9004, Abha 61413, Saudi Arabia;7. PG Department of Chemistry, JCDAV College, Dasuya 144205, Punjab, India;8. Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India;1. Bahcesehir University, Faculty of Arts and Sciences, Besiktas Campus, 34349 Besiktas, Istanbul, Turkey;2. Marmara University, Institute for Graduate Studies in Pure and Applied Sciences, 34722 Goztepe, Istanbul, Turkey;3. Istanbul University, Hasan Ali Yucel Education Faculty, Beyazit 34452, Istanbul, Turkey;4. Gebze Institute of Technology, Department of Physics, Gebze, Kocaeli 41400, Turkey;1. Department of Materials Science, National Engineering Laboratory for TFT-LCD Materials and Technologies, Fudan University, Shanghai 200433, PR China;2. Department of Materials Science, Fudan University, Shanghai 200433, PR China;1. Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China;2. Department of Chemical and Materials Engineering, University of Idaho Moscow, Idaho 83844, USA;1. Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, PR China;2. Key Laboratory of Eco-Environment of Three Gorges Region of Ministry of Education, Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, 400045, PR China;3. National Engineering Research Center of Solid-State Brewing, Luzhou Laojiao Group Co. Ltd., Luzhou, 646000, PR China;4. Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China |
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| Abstract: | Erbium oxide (Er2O3) has been used in a variety of microelectronic, optoelectronic, thermophotovoltaic, and biomedical applications, and especially in nuclear reactor systems. Electrochemical synthesis of rare earth oxides has conventionally been based upon base generation under the application of anodic or cathodic potential and subsequent sintering of as-deposited rare earth hydroxides. In this study, we investigated a direct, room-temperature electrochemical synthesis of Er2O3 onto titanium base metal by applying cathodic potentials. Iminodiacetate (IDA) ligand was added to form Er(IDA)2− complexes with Er3+ in a neutral electrolyte. A cathodic reaction for the direct deposition of Er2O3 from Er(IDA)2− was suggested as the mechanism of Er2O3 synthesis. The formation of cubic Er2O3 phase at all applied potentials was verified by means of X-ray diffractometry and X-ray photoelectron spectroscopy. The relationship between the diffusion characteristics of the reacting ions and the resulting microstructures of Er2O3 deposits was also studied as a function of applied potential. |
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| Keywords: | Erbium oxide Rare earth oxide Phase characterization Electrochemistry |
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