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This investigation is an effort to demonstrate the feasibility of confined cell design for a phase change random access memory (Ovonic Unified Memory, OUM) cell which benefits, respectively, from the low current and the simple fabrication process of a line memory cell and T- structure. Similar to OUM devices, the confined cell design is also highly scalable. The 2-D numerical simulation results of...
This paper presents an analytical model for the size effect in rectangular cross-section metal wires based on a solution to the Boltzmann transport equation (BTE). The results are verified with the solution at the limiting cases of thin film and square cross section wire with various specular reflection coefficients at the film boundaries and agree well. In addition, a simple model was developed that...
Despite very encouraging progress in recent years, phase change random access memory (ovonic unified memory, OUM) still faces several problems, such as reliability (lifetime), power consumption and speed, which need to be resolved before it can be commercialized. There have been a number of attempts to address such problems, even through devising other alternatives such as line memory and thermal...
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