Literally every day, research in the field of nanotechnology and nanomaterials brings us something new and interesting. A striking example of this is the new tiny sensor-accelerometer made from graphene by the efforts of an international group that includes researchers from institutes and universities, including KTH Royal Institute of Technology, RWTH Aachen University and Research Institute AMO GmbH. This sensor, which can be safely called the smallest accelerometer in the world, can provide a breakthrough in the field of navigation technologies, motion capture technologies, medical monitoring technologies, etc.
Note that for several decades, such sensors have used so-called microelectromechanical systems (MEMS). Now, the general movement towards miniaturization has ensured the transition of these systems to an even lower level, now they need to be called nano-electromechanical systems (NEMS).
A tiny accelerometer is born due to a number of unique properties of graphene, which is a form of carbon whose crystal lattice has a monatomic thickness. The main property of graphene, which is used in this sensor, is the highest electron velocity in the material.
"Using materials of monatomic thickness, which have high electrical and physical properties, we get the opportunity to significantly reduce the size of the components of microelectromechanical systems," the researchers write. In doing so, our accelerometer maintains the high sensitivity that modern navigation systems need. "
"The further development of such technologies can provide the emergence of new navigation and orientation systems for mobile phones and game consoles. In addition, based on such sensors, motion capture systems can be created that can control even the smallest movements of the human body, such as a heartbeat."
Sensor, Accelerometer, Graphene, Material, Properties, Size, MEMS, NEMS
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