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Atomristors - Atomic Memristors - Using Thin Nanomaterials
The atomristor (atomic memristor) improves upon memristor (memory resistor) memory storage technology by using atomically thin nanomaterials (atomic sheets). Memristors combine memory and logic functions, similar to the synapses of biological brains; they “remember” their previous state after being turned off.
“The sheer density of memory storage that can be made possible by layering these synthetic atomic sheets onto each other, coupled with integrated transistor design, means we can potentially make computers that learn and remember the same way our brains do,” said Deji Akinwande, associate professor in the Cockrell School of Engineering’s Department of Electrical and Computer Engineering.
Like most sf fans, I've always been fascinated by the idea of neuristor based brains; "neuristor" is a term coined by visionary computer science engineer Hewitt Crane in his PhD thesis in 1958. Great writers like Robert Heinlein used the idea in stories like The Moon is a Harsh Mistress.
Via KurzweilAI and Atomristor: Nonvolatile Resistance Switching in Atomic Sheets of Transition Metal Dichalcogenides
.
Memory storage and transistors have, to date, been separate components on a microchip. Atomristors combine both functions on a single, more-efficient device. They use metallic atomic sheets (such as graphene or gold) as electrodes and semiconducting atomic sheets (such as molybdenum sulfide) as the active layer. The entire memory cell is a two-layer sandwich only ~1.5 nanometers thick.
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