CPC H01L 31/032 (2013.01) [G01J 1/0295 (2013.01); H01L 31/0384 (2013.01)] | 17 Claims |
1. An electromagnetic wave detector comprising:
an insulating layer formed of a rare earth oxide;
a pair of electrodes provided on the insulating layer so as to be arranged to face each other across a gap; and
a two-dimensional material layer provided on the insulating layer so as to be electrically connected to the pair of electrodes, wherein
the rare earth oxide contains a base material made of an oxide of a first rare earth element, and a second rare earth element different from the first rare earth element, which is activated in the base material.
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