Journal Pre-proof Role of modifier ion radius in luminescence enhancement from 5D4 level of Tb3+ ion doped alkali-alumino-telluroborate glasses Vu Xuan Quang, Phan Van Do, Nguyen Xuan Ca, Luong Duy Thanh, Vu Phi Tuyen, Pham Minh Tan, Vu Xuan Hoa, Nguyen Thi Hien PII: S0022-2313(19)32326-9 DOI: https://doi.org/10.1016/j.jlumin.2020.117039 Reference: LUMIN 117039 To appear in: Journal of Luminescence Received Date: 27 November 2019 Revised Date: 27 December 2019 Accepted Date: 9 January 2020 Please cite this article as: V.X. Quang, P. Van Do, N.X. Ca, L.D. Thanh, V.P. Tuyen, P.M. Tan, V.X. Hoa, N.T. Hien, Role of modifier ion radius in luminescence enhancement from 5D4 level of Tb3+ ion doped alkali-alumino-telluroborate glasses, Journal of Luminescence (2020), doi: https://doi.org/10.1016/ j.jlumin.2020.117039. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier B.V.