发明授权
US08692222B2 Nonvolatile memory element and method of manufacturing the nonvolatile memory element 有权
非易失性存储元件和制造非易失性存储元件的方法

Nonvolatile memory element and method of manufacturing the nonvolatile memory element
摘要:
A nonvolatile memory element according to the present disclosure includes: a variable resistance element including a first electrode layer, a second electrode layer, and a variable resistance layer which is located between the first electrode layer and the second electrode layer and has a resistance value that reversibly changes based on an electrical signal applied between the first electrode layer and the second electrode layer; and a fixed resistance layer having a predetermined resistance value and stacked together with the variable resistance element. The variable resistance layer includes (i) a first transition metal oxide layer which is oxygen deficient and (ii) a second transition metal oxide layer which has a higher oxygen content atomic percentage than the first transition metal oxide layer. The predetermined resistance value ranges from 70Ω to 1000Ω inclusive.
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