Correction to: J Mater Sci: Mater Electron https://doi.org/10.1007/s10854-022-08101-3

The article “Enhanced critical current density of ex situ MgB2 via control of Mg assisted sintering”, written by Nurhidayah Mohd Hapipi, Soo Kien Chen, Abdul Halim Shaari, Mohd Mustafa Awang Kechik, Kean Pah Lim, Kar Ban Tan, Oon Jew Lee, Sai Srikanth Arvapalli, and Muralidhar Miryala, was originally published electronically on the publisher’s internet portal (https://link.springer.com/article/10.1007/s10854-022-08101-3) on 30 March 2022 without open access. With the author(s)’ decision to opt for Open Choice, the copyright of the article changed on 11 April 2022 to © The Author(s) 2022 and the article is forthwith distributed under the terms of the Creative Commons Attribution Section 4.1 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

The original article has been corrected.