prov:value
| - In other embodiments, the second phase-changeable layer 25 may contain conductive materials such as titanium (Ti), zirconium (Zr), tungsten (W), molybdenum (Mo), tantalum (Ta), copper (Cu), aluminum (Al), titanium tungsten (TiW), and/or combinations thereof, while the first phase-changeable layer 23 may not contain such elements.
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