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    New Type of Computer Memory could greatly Reduce Energy use and Improve Performance

    June 26, 2023, Categories  Physics, Technology/Electronics

    New type of computer memory could greatly reduce energy use and improve performance
    Cross-sectional TEM images and energy-dispersive x-ray measurements from high-angle annular dark-field scanning TEM for different thin films. (A) Pure HfOx deposited at 400°C. Clear crystallites are visible in the film; red arrows indicate some of the grain boundaries. (B) Pure HfOx deposited at 30°C. While these films are not polycrystalline like pure HfOx deposited at 400°C, neither are they as uniform as the composite films presented in (C). (C) The thin films which resulted in stable electrical performance are amorphous or nanocrystalline. Some pillar-like structures can be discerned, indicated by red arrows. The addition of Ba to the films clearly leads to material uniformity by suppressing crystallization...
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    Engineered Crystals could help Computers Run on Less Power

    April 9, 2022, Categories  Technology/Electronics

    University of California, Berkeley, engineers have created engineered crystal structures that display an unusual physical phenomenon known as negative capacitance. Incorporating this material into advanced silicon transistors could make computers more energy efficient. Credit: Ella Maru Studio, University of California – Berkeley

    Computers may be growing smaller and more powerful, but they require a great deal of energy to operate. The total amount of energy the U.S. dedicates to computing has risen dramatically over the last decade and is quickly approaching that of other major sectors, like transportation.

    In a study published online this week the journal Nature, University of California, Berkeley, engineers describe a major breakthrough in the design of a component of transistors...

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