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New material could create 'neurons' and 'synapses' for computers -- Science & Technology -- Sott.net


© Illustration Banerjee group
Schematic of the proposed device structure for neuromorphic spintronic memristors. The write path is between the terminals through the top layer (black dotted line), the read path goes through the device stack (red dotted line). The right side of the figure indicates how the choice of substrate dictates whether the device will show deterministic or probabilistic behavior.Classic computers use binary values (0/1) to perform. By contrast, our brain cells can use more values to operate, making them more energy-efficient than computers. This is why scientists are interested in neuromorphic (brain-like) computing.
Physicists from the University of Groningen have used a complex oxide to create elements comparable to the neurons and synapses in the brain using spins, a magnetic property of electrons. Their results were published on 18 May in the journal ....

Mina Leivisk , Anouk Goossens , Tamalika Banerjee , University Of Groningen First , University Of Groningen , Zernike Institute For Advanced Materials , Proposed Device , Illustration Banerjee , Functional Materials , Zernike Institute , Advanced Materials , பல்கலைக்கழகம் ஆஃப் க்ராநிகந் , செயல்பாட்டு பொருட்கள் ,

New discovery brings analogue spintronic devices closer


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IMAGE: This EM image of an experimental device as used in this study shows graphene (light green) with boron nitride (blue) on top. Measurements were made across the orange lines.
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Credit: S. Omar, University of Groningen
The observation of nonlinearity in electron spin-related processes in graphene makes it easier to transport, manipulate and detect spins, as well as spin-to-charge conversion. It also allows analogue operations such as amplitude modulation and spin amplification. This brings spintronics to the point where regular electronics was after the introduction of the first transistors. These results by University of Groningen physicists were published in the journal ....

University Of Groningen , Zernike Institute For Advanced Materials , Physical Review Applied , Siddhartha Omar , Zernike Institute , Advanced Materials , Review Applied , பல்கலைக்கழகம் ஆஃப் க்ராநிகந் , உடல் விமர்சனம் பயன்படுத்தப்பட்டது , சித்தார்த்தா ஓமர் , விமர்சனம் பயன்படுத்தப்பட்டது ,