Electromagnetic wave detector and electromagnetic wave detector array

3:

• The electromagnetic wave detector according to claim 1, wherein the ferroelectric layer is disposed under an interface between the two-dimensional material layer and the electrode contacting each other.

4:

• The electromagnetic wave detector according to claim 1, wherein the ferroelectric layer is not disposed under an interface between the two-dimensional material layer and the electrode contacting each other.

5:

• The electromagnetic wave detector according to claim 2, wherein the ferroelectric layer is disposed above an interface between the two-dimensional material layer and the electrode contacting each other so as to cover the interface.

6:

• The electromagnetic wave detector according to claim 2, wherein the ferroelectric layer is disposed above an interface between the two-dimensional material layer and the electrode contacting each other so as not to cover the interface.

7:

• The electromagnetic wave detector according to claim 1, wherein the one ferroelectric layer is disposed between the two electrodes, and wherein distances from the ferroelectric layer to the two electrodes are equal.

8:

• The electromagnetic wave detector according to claim 1, wherein the one ferroelectric layer is disposed between the two electrodes, and wherein distances from the ferroelectric layer to the two electrodes are different from each other.

9:

• The electromagnetic wave detector according to claim 1, wherein a plurality of ferroelectric layers is disposed between the two electrodes.

10:

• The electromagnetic wave detector according to claim 1, wherein a plurality of ferroelectric layers is arranged in a one-dimensional direction or a two-dimensional direction between the two electrodes.

11:

• The electromagnetic wave detector according to claim 1, wherein the ferroelectric layer is made of a material acquired by laminating or mixing different ferroelectric materials.

12:

• The electromagnetic wave detector according to claim 1, wherein the two-dimensional material layer has a multilayer structure of two or more layers.

(canceled)

14:

• The electromagnetic wave detector according to claim 1, wherein the two-dimensional material layer is made of a two-dimensional material selected from the group consisting of:
• graphene, nanoribbon, transition metal di-chalcogenide, black phosphorus, silicene, and germanene, or made of a laminate structure acquired by laminating at least two of the two-dimensional materials.

15:

• The electromagnetic wave detector according to claim 1, wherein the two electrodes are made of metals different from each other.

16:

• The electromagnetic wave detector according to claim 1, wherein a back-surface electrode is disposed on the back surface of the substrate or on a back surface of the lower insulating layer.

17:

• An electromagnetic wave detector array comprising:
• the electromagnetic wave detector according to claim 1 as a plurality of electromagnetic wave detectors arranged in an array in a one-dimensional direction or a two-dimensional direction.

18:

• The electromagnetic wave detector array according to claim 17, wherein the plurality of electromagnetic wave detectors is different from each other.