In this study, we identified and analyzed characteristics of top-cited single-author articles published in the Science Citation Index Expanded from 1991 to 2010. A top-cited single-author article was defined as an article that had been cited at least 1000 times from the time of its publication...

Purpose This paper aims to investigate the current status of research output published in open access (OA) journals from Brazil, Russia, India, China and South Africa (BRICS) countries from 2010 to 2019 and compare their performances in terms of OA research output. Design/methodology/approach...