"Four layers of a surface-conducting material (Bi2Te3) between two single layers of a magnetic insulator (MnBi2Te4). This structure creates the conditions to align the manganese spins (red arrows) and support a zero-resistance, spin-polarized current. Credit: Australian Research Council" (ScitechDaily, Zero Resistance Breakthrough: Meet the Quantum Sandwich Powering the Future)
The new fundamental sandwich-type material can revolutionize superconducting. The anomaly in the quantum hall effect makes electrons travel in that material without resistance. The Hall effect or resistance is the group of standing waves between electrons. The new material can remove those standing waves. It can create a homogenous power field around the wire. Image 2 shows that the Hall effect is like a wall between electric conductors. The quantum-level version is the wall between electrons. If that wall is removed, there is no resistance.
"Researchers have developed a new “sandwich” structure material that exhibits the quantum anomalous Hall effect, enabling electrons to travel with almost no resistance at higher temperatures." (ScitechDaily, Zero Resistance Breakthrough: Meet the Quantum Sandwich Powering the Future)
"This breakthrough could significantly enhance computing power while dramatically reducing energy consumption. The structure is based on a layered approach with bismuth telluride and manganese bismuth telluride, promising faster and more efficient future electronic devices." (ScitechDaily, Zero Resistance Breakthrough: Meet the Quantum Sandwich Powering the Future)
Image 2. (Wikipedia, Hall effect)
It's possible to create almost room-temperature superconducting conditions using 200 GPa pressure.
Superconducting has been possible at room temperature, or in -23 C degrees. But that requires 200 GPa pressure. Leak in that kind of pressure system. Is always devastating. How to replace the pressure system? The new material can be an answer to that question.
We can think about things like making superconducting using high-pressure tools. The nanotechnology allows to creation of a small-size high-pressure chamber. The problem is: how to make that system safe? If there is a small leak in the pressure system releases 200 GPa pressure. One of the answers could be artificial diamonds. They are used to close those high-pressure chambers inside them.
One of the solutions can be a hollow wire. That wire is put in the channels that lasers drill into industrial diamonds. The system can press pressure in and outside the wire. And that can raise the pressure to a high enough level that the wire turns superconducting.
In the dry-pressure superconductors, researchers will put a wire lattice between the hydraulic press. Then the system presses the lattice from both sides. Then the system can put and tie the artificial diamond over that structure. Those diamonds can keep the pressure on the wire.
We can think of an extremely thin material that is used to press the lattice wire and stabilize its structure. The problem is how to stabilize the inner structure. One of the answers to that is the diamond. The system can press the structure into high-pressure conditions and then it can put a diamond or carbonite crystal structure around it. The diamond structure locks pressure into the wire, and that can be the tool for making dry high-pressure superconducting. The system must keep the pressure on the wire or the system fails.
https://scitechdaily.com/zero-resistance-breakthrough-meet-the-quantum-sandwich-powering-the-future/
https://en.wikipedia.org/wiki/Hall_effect
https://en.wikipedia.org/wiki/Room-temperature_superconductor
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