Materials is a semi-monthly peer-reviewed open access scientific journal covering materials science and engineering.

It was established in 2008 and is published by MDPI.

The editor-in-chief is Maryam Tabrizian (McGill University).

The journal publishes reviews, regular research papers, short communications, and book reviews.

There are currently hundreds of calls for submissions to special issues,[1] a fact that has led to serious concerns.