Next-generation AI semiconductor devices mimic the human brain

Next-generation AI semiconductor devices mimic the human brain

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Traits of the deposited ferroelectric HZO movie. a) HR-TEM picture exhibiting the thickness (15 nm) of the ferroelectric HZO movie and cross-sectional picture of orthorhombic HZO crystallite utilizing HR-TEM. Scale bar, 50 nm. The inset exhibits a magnified view of the atomic association of orthorhombic HZO [111]. b) EDS mapping of the HZO cross-section, depicting the distribution of the deposited parts (hafnium, zirconium, and oxygen). c) P-V loops of HZO movie. d) Permittivity – V loops of HZO movie. e) Deconvoluted GIXRD sample of the ferroelectric HZO movie. Excessive-resolution XPS spectra of f) O 1s, g) Hf 4f, h) Zr 3d. Credit score: Superior Science (2024). DOI: 10.1002/advs.202308588

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Traits of the deposited ferroelectric HZO movie. a) HR-TEM picture exhibiting the thickness (15 nm) of the ferroelectric HZO movie and cross-sectional picture of orthorhombic HZO crystallite utilizing HR-TEM. Scale bar, 50 nm. The inset exhibits a magnified view of the atomic association of orthorhombic HZO [111]. b) EDS mapping of the HZO cross-section, depicting the distribution of the deposited parts (hafnium, zirconium, and oxygen). c) P-V loops of HZO movie. d) Permittivity – V loops of HZO movie. e) Deconvoluted GIXRD sample of the ferroelectric HZO movie. Excessive-resolution XPS spectra of f) O 1s, g) Hf 4f, h) Zr 3d. Credit score: Superior Science (2024). DOI: 10.1002/advs.202308588

A analysis group led by Prof. Kwon Hyuk-jun of the DGIST Division of Electrical Engineering and Laptop Science has developed a next-generation AI semiconductor expertise that mimics the human mind’s effectivity in AI and neuromorphic methods.

The development of AI has stimulated a quickly rising demand for energy-efficient semiconductor expertise with a quick operational velocity. Nonetheless, conventional computing gadgets with their von Neumann structure and separate computing and reminiscence items have velocity and power effectivity shortcomings related to knowledge processing bottlenecks. Consequently, analysis on neuromorphic gadgets that mimic organic neurons’ simultaneous computing and reminiscence capabilities is gaining consideration.

In opposition to this backdrop, Prof. Hyuk-Jun Kwon’s group developed synaptic field-effect transistors utilizing hafnium oxide, which has sturdy electrical properties, and skinny layers of tin disulfide. This resulted in a three-terminal neuromorphic machine able to storing a number of ranges of knowledge in a fashion much like neurons.

The analysis efficiently replicated organic traits corresponding to short- and long-term properties, yielding a extremely environment friendly machine that responds 10,000 instances quicker than human synapses and consumes little or no power.

Prof. Hyuk-Jun Kwon of the Division of Electrical Engineering and Laptop Science mentioned, “This analysis marks an necessary step towards next-generation computing structure, which requires and high-speed computation. We now have developed high-performance neuromorphic {hardware} utilizing two-dimensional channels and ferroelectric , and the innovation is predicted to have numerous AI and machine learning-related purposes sooner or later.”

The analysis is published within the journal Superior Science.

Extra info:
Chong‐Myeong Track et al, Ferroelectric 2D SnS2 Analog Synaptic FET, Superior Science (2024). DOI: 10.1002/advs.202308588

Journal info:
Advanced Science


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DGIST (Daegu Gyeongbuk Institute of Science and Know-how)

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