CPC H10N 70/8825 (2023.02) [H10N 70/026 (2023.02); H10N 70/8822 (2023.02); H10N 70/8828 (2023.02)] | 16 Claims |
1. A selection element comprising, in a first portion, a stack of at least two amorphous layers, the thickness of each layer in the stack being greater than 1 nm and smaller than or equal to 20 nm, wherein:
the stack comprises at least one assembly of first layers and one assembly of second layers, the first and second layers being made of different materials;
the first layers are made of an alloy comprising a group-15 element and a group-16 element; and
the second layers consist of one or more, nitrogen-doped, oxygen-doped, or carbon-doped group-14 elements.
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