Apparently Imec claims that for the time being (down to the "3nm" node) copper beats cobalt: https://www.imec-int.com/en/articles/imec-extends-damascene-metall

Apparently Imec claims that for the time being (down to the "3nm" node) copper beats cobalt: https://www.imec-int.com/en/articles/imec-extends-damascene-metallization-towards-the-3nm-technology-node https://www.imec-int.com/en/articles/imec-extends-damascene-...