Patent ID: 8565001
Filing Date: 2013-10-22
Classification: G11C,H01L

Abstract:
1. A method of flowing a current selectively with a nonvolatile switching device, the method comprising: a step (a) of preparing the nonvolatile switching device, wherein the nonvolatile switching device comprises a control electrode, a ferroelectric film, a semiconductor film, and a electrode group, the control electrode, the ferroelectric film, the semiconductor film, and the electrode group are stacked in this order, the electrode group comprises a first electrode, a second electrode, and a third electrode, the first electrode comprises a side L the second electrode comprises a side L the third electrode comprises a side L the sides L a following equation (A) is satisfied: wherein the IL denotes an interval between the sides L the IS denotes an interval between the sides L the interval between the sides L a step (b) of configuring any one of a first state, a second state, and a third state into the nonvolatile switching device, wherein a current does not flow between the electrode group in the first state, a current flows selectively between the first electrode and the second electrode in the second state, a current flows selectively between the first electrode and the third electrode in the third state, voltages V when the first state is configured, voltages which satisfy any one of the following inequality set (a) to (d) are applied: when the second state is configured, voltages satisfy the following inequality set: when the third state is configured, voltages satisfy the following inequality set are applied: