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: Double-blind (the author remains anonymous to the referees throughout the consideration process and vice versa). □ Conference submission management system: Open Conference Systems by Public Knowledge Project (PKP) installed in the university’s server and hosted by Research and Innovation Management Office Universitas Indonesia □ Number of submissions received: 105 □ Number of submissions sent for review: 87 □ Number of submissions accepted: 74 □ Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 70.48% □ Average number of reviews per paper: 2 or 3 □ Total number of reviewers involved: 51 □ Any additional info on review process: each paper undergo a process of checking similarity using iThenticate before sending it to reviewers □ Contact person for queries: Ivandini Tri Anggraningrum (ivandini.tri@sci.ui.ac.id)