1. Submit research articles to OA journals when there are appropriate OA journals in your field.
2. Deposit preprints in an open-access, OAI-compliant archive.
3. Deposit postprints in an open-access repository such as Marquette University's institutional repository, ePublications@Marquette, or an appropriate discipline specific repository which may be found using the Directory of Open Access Journals (DOAJ).
4. Deposit data files in an OA archive along with the articles built on them. When possible, link to the data files from the articles so that readers can find it. The ePublications@marquette repository accepts data files as well as postprints.
Good question. You can increase the reach of your article a few ways: