| http://www.w3.org/ns/prov#value | - Thus, it is possible to determine whether the information stored in the memory cell is a logic ???1??? or a logic ???0??? by detecting current that flows through the phase changeable material layer in a read operation of the memory cell. [0009] A material that is widely used as a phase changeable material layer is a compound containing germanium Ge, antimony (stibium) Sb and tellurium Te (hereinaf
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