Furthermore,
This quantum revolution could make:
In classic electronics. Consequently, transistors work like switches: they let the current pass or stop it, depending on the voltage applied. For example, For this, fleas use different materials: conductors, insulation, semiconductors. Therefore, Everything is organized to create billions of small logic doors. Furthermore, A very effective system. Nevertheless, but slow on a atomic scale, and more and more complex to cool as the components miniaturized.
Conversely. Meanwhile, some materials known as quantum May change behavior under the effect of slight disturbances: a small temperature change, light lightning or localized pressure. In the case of 1t-tas₂. a structure in layers of atoms of tantalum and sulfur, the material can go from a state metallic to a state insulating at lightning speed. An inverse quantum phase, reversible, and therefore potentially usable as an electronic switch.
The problem is that to cause this quantum revolution could make this change of state. it takes extreme conditions: cryogenic temperatures close to absolute zero, often lower than – 200 ° C, and sometimes very brief energy pulses, difficult to reproducible. Despite the amazing properties of 1t-tas₂, he was unable to operate as explained previously outside cryogeny. His state transitions were too unstable or too brief to consider any application.
However. the American team, led by Gregory Fiet (Northeastern University, Boston), managed to stabilize this behavior permanently, thanks to a heating-referral protocol, called ” thermal quenching ». This is to quickly heat the crystal to get it out of its initial state. then to cool it suddenly in order to freeze a new electronic structure.
The big challenge here is to find the right timing: if you go too slowly. the material returns to its original state; Too quickly, its structure is disorganized. By perfectly adapting this temporal this quantum revolution could make window, they managed to stabilize the driver of the job at room temperature. All of this is good, but what does it change for us? If the electronics must change era. it is perhaps thanks to the work of FIET and its team that this transition will begin.
This quantum revolution could make
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