Graphene refers to a single layer(monolayer) of carbon atoms arranged in hexagons, and the whole structure looks like a honeycomb structure. Since the day the material was discovered, scientists have proved that every different formation of graphene layers can bring up several important properties. Graphene-based structures can be both superconductors (which conduct electricity without resistance) and insulators (which prevent electricity movement). They also have the ability to display magnetism.
Recently, researchers at MIT (Massachusetts Institute of Technology) have discovered another critical and unexpected graphene property. This is a significant breakthrough for Graphene Market as the structure is composed of atomically thin layers of such material that is also biocompatible and might lead to the advancement of faster information-processing paradigms. A potential application for this property is neuromorphic computing that works towards duplicating the neuronal cells in the body, which are accountable for several important tasks from memories to behavior. Moreover, the study also introduces a new form of physics that scientists can further explore.
Heterostructures based on Graphene still have many surprises up their alley. Researchers stated that as per their observation, unconventional ferroelectricity in this simple and ultra-thin system brings forward many new concepts that challenge the prevailing knowledge of ferroelectric systems. In the future, this breakthrough might be the reason for the development of an entire generation of new ferroelectrics materials. In the study, the team looked into the way in which graphene can also be ferroelectric. This denotes that positive and negative charges in the material can separate into different layers on their own.
Traditionally, ferroelectrics are considered to be insulators. And there are several challenges associated with them as well. For instance, the ferroelectric phase becomes continuously unstable as the device is miniaturized. However, some of such problems might reduce with this new study as it shows that the ferroelectric based on graphene operates through a completely different mechanism. It is based on a wholly different concept of physics that allows it to conduct electricity. This opens up doors for the progress as there can be innumerable new applications based on this new ferroelectric material.
For the first time, in the field of science, researchers have been able to demonstrate pure electronic ferroelectricity that displays charge polarization devoid of ionic motion in the underlying lattice. This surprising discovery would surely be taken up by researchers worldwide for further study leading to new phenomena coming up. It might come out to be a great opportunity for the development of ultrafast memory applications.
The current research team’s objective is to further demonstrate the new material’s usefulness for different types of applications. Moreover, they also want to contribute towards a better understanding of physics as a subject.
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