13 February 2020 2 5K Report

Hello, I was measuring MOKE on material grown on a transparent substrate: Sapphire/Ga2O3/Co(1)/Pt(5), but it always had a very big noise and did not give me any signal. the same Co(1)/Pt(5) structure grown on Si substrate works well, so I guess the problem is the substrate. Could anyone give me any ideas on this? Thanks!

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