Patent ID: 9202560
Filing Date: 2015-12-01
Classification: G11C,H01L

Abstract:
1. A memory element comprising a first electrode, a memory layer, and a second electrode, in this order, wherein the memory layer includes: a resistance change layer at a first electrode side of the memory layer, the resistance change layer having a single-layer or a multi-layer structure including a layer containing a highest percentage of tellurium (Te) as an anionic component, and an ion source layer at a second electrode side of the memory layer, the ion source layer containing aluminum (Al) and one or more chalcogen elements including tellurium (Te), sulfur (S) or selenium (Se), the aluminum being present in the amount of 27.7 atomic % or more but 47.4 atomic % or less, the ion source layer also containing copper (Cu) and zirconium (Zr), a content of the copper and zirconium in the ion source layer being 23.6 atomic % or more but 39.4 atomic % or less.