Researchers may share articles between themselves if this is permitted by agreements with their publishers, the so-called ‘scholarly sharing.’ Please refer to Sherpa/Romeo External link.to check current terms for the journal in question. When using the plug-in Open Access Button
External link. and hitting paywalled articles, requests to authors are sent asking them to deposit their articles in an open institutional or subject repository. There are also a number of social platforms for researchers, e.g. ResearchGate
External link. and Academia.edu
External link..