All papers published in this volume of IOP Conference Series: Materials Science and Engineering have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert ...referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Single-blind The author submitted his manuscript in the EASN conference online platform. Initially a first evaluation regarding the templates, the page restrictions and the IOP guidelines takes place and if the paper is correct it follows the peer review process, otherwise it is returned to the author with the request to amend his work. Once the paper is correct, it is sent to the expert all along with an evaluation form to be completed by him. The form includes all the details requested by the IOP Peer Review Policy. If the expert approves the paper, then the author is notified to send the final manuscript in a pdf version in-line with the IOP guidelines and to ensure that he agrees with the conditions of the IOP Peer Review Policy and IOP Proceedings Licence. If the paper needs revisions, then the evaluation form is sent to the authors for their actions. The revised paper is sent to the experts for their second evaluation and once is accepted it follows the process mentioned beneath. • Conference submission management system: http://easnconference.eu/2020/abstractsubmission • Number of submissions received: 148 • Number of submissions sent for review: 145 • Number of submissions accepted: 119 • Acceptance Rate (Number of Submissions Accepted/Number of Submissions Received X 100): 80.4% • Average number of reviews per paper: 2 • Total number of reviewers involved: 71 • Contact person for queries: Apostolos Chamos: apostolos.chamos@easn.net, Kyriaki Panagopoulou: kyriaki.panagopoulou@easn.net.