Four choices: Make your choice!
Journal
Site web
Charges
Observation
AIP Conference proceeding
https://aip.scitation.org/apc/organizers/peerreview
100$ per paper
Free access for 12 months for authors and conference participants
IOP Conference Series: Materials Science and Engineering
https://iopscience.iop.org/journal/1757-899X
70€ per paper
Accessible tout le temps
Memories - Materials, Devices, Circuits and Systems
https://www.sciencedirect.com/journal/memories-materials-devices-circuits-and-systems
Free of charges
Journal of Materials and Environmental Science
http://www.jmaterenvironsci.com