Peer review declaration

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 • Conference submission management system: The papers were submitted to the conference secretariat and then distributed to reviewers by the editors. The reviewers sent back their reviews to the editor who then finalized the editing process. • Number of submissions received: 16 • Number of submissions sent for review: 16 • Number of submissions accepted: 15 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions • Received X 100): 93,75% • Average number of reviews per paper: 1 • Total number of reviewers involved: 10 • Any additional info on review process (ie plagiarism check system): The paper was checked if it is relevant to the topic of the webinar and contains new research result(s), if it is clearly written and structured; figures and tables are informative and correctly organized; references are correct and contain new literature sources; the formatting according to IOP standard was applied. After revision the papers were submitted to the editor. Contact person for queries: Assoc. Prof. Albena Daskalova, PhD Institute of Electronics, Bulgarian Academy of Sciences, Sofia, Bulgaria e-mail: albdaskalova@gmail.com