Abstract Researchers at the Massachusetts Institute of Technology have recently successfully combined graphene, a carbon two-dimensional material, with ferroelectric materials for data storage. With the extraordinary electronic and mechanical properties of graphene, the hybrid technology will store computers and data storage chips in a limited space...
Researchers at the Massachusetts Institute of Technology have recently succeeded in combining graphene, a carbon two-dimensional material, with ferroelectric materials for data storage. Thanks to the extraordinary electronic and mechanical properties of graphene, the hybrid technology will help boost the computer and data storage chips in a limited space to store more information and increase computing speed and energy savings. The study, published in the Journal of Applied Physics, was co-authored by Nicholas Fang and Dafei Jin of the Department of Mechanical Engineering at the Massachusetts Institute of Technology.
The project provides technical support for building optical interconnect devices such as fiber optic cables, photonic chips and electronic wires. At present, the general interconnected device points will encounter technical bottlenecks with slow transmission speed and large number of components. This new technology from the MIT research team allows control waves to be highly concentrated in as small a size as possible, greatly increasing component density in the limited space of the chip.
The experiment initially sandwiched a small piece of graphene between two layers of ferroelectric material and made it into a simple, switchable plasma waveguide using lithium niobate. The staff said that in addition to lithium niobate, other similar materials can be used instead.
According to Dafei Jin, light can be confined to a portion of the waveguide at hundreds of meters of free-space wavelength, and the level of optical signal transmission and processing under this technology is an order of magnitude higher than any previous waveguide system.
In addition, this technology provides a new way to read and write electronic data in high-voltage storage devices.
The project was sponsored by the National Science Foundation and the Air Force Research Office. (Compiled from 'Graphene-Based System Could Lead to Improved Information Processing' Translation: Wang Xian)
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