Resistance change element, storage device, and neural network apparatus
AssigneeKabushiki Kaisha Toshiba
InventorsKoichi MIZUSHIMA, Yoshifumi NISHI, Kumiko NOMURA
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Abstract
According to one embodiment, a resistance change element includes a first electrode, a second electrode, a first transition metal compound layer provided between the first electrode and the second electrode and including lithium ions in lattice site locations, a second transition metal compound layer provided between the first transition metal compound layer and the second electrode and including the lithium ions in the lattice site locations, and a lithium ion conductor layer provided between the first transition metal compound layer and the second transition metal compound layer and being a solid material allowing the lithium ions to pass therethrough and resistant to electrons.
Claims19
A resistance change element comprising:
- a first electrode;
- a second electrode;
- a first transition metal compound layer provided between the first electrode and the second electrode and including lithium ions in lattice site locations;
- a second transition metal compound layer provided between the first transition metal compound layer and the second electrode and including the lithium ions in the lattice site locations;
- and
- a lithium ion conductor layer provided between the first transition metal compound layer and the second transition metal compound layer and being a solid material allowing the lithium ions to pass therethrough and resistant to electrons.
A resistance change element comprising:
- a first electrode;
- a second electrode;
- a first transition metal compound layer provided between the first electrode and the second electrode, including lithium ions, and containing at least one of a rock salt type transition metal oxide and a spinel type transition metal oxide;
- a second transition metal compound layer provided between the first transition metal compound layer and the second electrode and containing at least one of Li7Ti5O12 and Li4Ti5O12;
- and
- a lithium ion conductor layer provided between the first transition metal compound layer and the second transition metal compound layer and being a solid material allowing the lithium ions to pass therethrough and resistant to electrons.
Dependencies are inferred from the claim text.