Open access (OA) is a publishing model through which scholarly publications are distributed online, free of access charges, or other barriers.
If you choose to publish Gold OA your publication will be instantly accessible for everyone on the publisher's website. In the vast majority of cases you will be required to pay a fee (Article Processing Charge (APC)) to the publisher. In turn, you and your co-authors, retain the copyright to your publication according to the publishing agreement.
Please be aware that the publisher often requires you to add a specific Creative Commons licence to your publication to specify which copyright rules apply.
Once your publication has been published in a regular, subscription-based journal you are often allowed to self-archive it – a practice known as Green OA. This means that you may upload your publication (or an earlier version of it, usually the "accepted manuscript") to a subject-specific or institutional repository such as Pure.
To republish your publication as Green OA you must ensure that you have: