Phase-change Memory
Phase-change memory (PCM) is a type of non-volatile memory that uses the unique properties of chalcogenide glass to store data. PCM works by changing the physical state of the glass between amorphous and crystalline states, which represent the 0 and 1 states of binary data. The change in state is achieved by applying heat to the glass using an electrical current. PCM has several advantages over traditional memory technologies, including faster read and write speeds, lower power consumption, and higher endurance. PCM is also resistant to magnetic fields and radiation, making it ideal for use in harsh environments such as space. However, PCM is still a relatively new technology and is not yet widely used in commercial products.
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