Conference Series: copyright and permissions
The content in IOP Publishing’s Conference Series journals are all published on a gold open access basis.
Older conference series articles (published from around prior to November 2012), were not published under a CC BY licence.
You should check the licence on the article itself prior to use. If the article was not published under a CC BY licence or the article does not state what licence the article was published under, please contact email@example.com to request permission if you wish to reuse any content from the article.