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Ultra-thin film
The British "Times" website reported that the diaphragm is made up of hexagons of carbon atoms, shaped like a honeycomb, but only as thick as one atom. If the layers are superimposed, 200,000 layers are needed to reach the thickness of one hair. Scientists created this two-dimensional carbon atom patch two years ago, but it must be attached to other materials. Nowadays, researchers have been able to hang this diaphragm with a nano-scale gold gantry. According to physical theory, this material cannot be stably present because it is actually a two-dimensional crystal structure that is extremely susceptible to heat damage. However, two-dimensional carbon atom patches have been shown to be stable in room temperature vacuum. When all other materials are as thin as 10 times the thickness of the film, oxidation and decomposition occur, and it cannot be stably present. The researchers explained in the British journal Nature that the diaphragm was stable because it was not static but slightly fluctuating. Fluctuation provides a third dimension to this structure, which in turn provides a cohesive force.
Carrier molecule
This new material was developed by the University of Manchester in the United Kingdom in collaboration with the Max Planck Institute in Germany. “This is a completely new technology, and even nanotechnology is not the proper word to describe this new diaphragm,†said University of Manchester professor Andre Heim. “We believe this technology should be able to move directly into other areas. "University of Manchester Professor Kosga Novoselov said that the diaphragm will be mainly used to greatly improve the speed of computer operations and develop new drugs. In addition, it can also be used as a micro-filter to separate the different components contained in the gas. In the medical field, the sharpness of the image obtained when observing a molecule by an electron microscope is currently limited by the thickness of the molecular sample carrier. This carbon atom patch is only 0.35 nm thick and is easy to pass through. If used as a carrier, the observer can obtain a clearer molecular structure image.
Replace silicon wafer
In the electronics field, two-dimensional carbon atomic films may also shine. According to "Natural Materials" magazine, experiments have shown that this new material is more sensitive and energy-efficient than silicon, used as a transistor to control current in and out. Therefore, it may eventually replace silicon and become a more efficient transistor. Professor Leonid Ponomarenko of the University of Manchester is optimistic about the “commercial success†of the diaphragm. He analyzed: "Technology has been steadily advanced from millimeter-scale transistors to microprocessors now composed of 10 nanometer-scale components. The next step is true nanoscale circuits." "The real challenge is how to make this diaphragm cheap." Easy to get in order to invest in large-scale applications." Heim said.
British media reported on March 1 that scientists have developed the world's thinnest material, one-thousandth of a millionth in thickness. The advent of this new material is expected to set off a new revolution in the fields of electronic computers and medicine.