Journal Pre-proof UVB-emitting gadolinium-doped Ba 2 YZrO 6 perovskite ceramic phosphor Vijay Singh, Sumandeep Kaur, A.S. Rao, N. Singh, J.L. Rao, Muhammad Irfan PII: S0030-4026(20)30097-8 DOI: https://doi.org/10.1016/j.ijleo.2020.164263 Reference: IJLEO 164263 To appear in: Optik Received Date: 6 December 2019 Accepted Date: 19 January 2020 Please cite this article as: Singh V, Kaur S, Rao AS, Singh N, Rao JL, Irfan M, UVB-emitting gadolinium-doped Ba 2 YZrO 6 perovskite ceramic phosphor, Optik (2020), doi: https://doi.org/10.1016/j.ijleo.2020.164263 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.