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Trends
- 1Monolayer kagome lattice opens door to high-temperature flat-band physics●Monolayer van der Waals kagome lattice for high-temperature flat-band physics
Researchers report the creation of a monolayer van der Waals kagome lattice, a two-dimensional material with a geometry that supports flat electronic bands. Such flat bands enhance electron correlations, and observing them at high temperatures could enable exotic quantum states, including unusual superconductivity and magnetism, in atomically thin devices. The work, published in Nature, is drawing attention as a step toward practical flat-band materials that operate without extreme cooling.
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The American Physical Society is highlighting new work on quantum ferroelectrics, materials whose electric polarization shows quantum effects with potential uses in low-power electronics and memory devices. Research in this area, presented through the APS, explores how light can probe and manipulate ferroelectric behavior at the quantum level. The topic is drawing attention from physicists studying next-generation materials.
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Researchers have used quantum calculations to work out how spin defects in materials lose energy, according to a new physics report. Spin defects are imperfections in crystals that can hold quantum information, so understanding their energy loss is important for building quantum technologies such as sensors and quantum computers. The findings shed light on a process that limits how long these defects can stay useful.
- 4New Method to Detect Excitonic Order in Quantum Materials●A New Way To Spot Excitonic Order Could Unlock Quantum Materials
Researchers have reported a new way to detect excitonic order, a subtle arrangement of electron-hole pairs thought to underpin unusual behaviour in some quantum materials. Being able to spot this order directly could help clarify how such materials work and support the development of future electronic and quantum technologies. The news is being shared in physics and materials science circles, where excitonic order has long been difficult to observe experimentally.
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Researchers report that ultrashort laser pulses can induce ordered states in a quantum ferroelectric metal, a rare material combining metallic conductivity with ferroelectric behavior. By striking the material with femtosecond light pulses, scientists say they can control its internal structure on extremely fast timescales. The finding is being discussed as a step toward light-based control of quantum materials and potential future technologies.
- 6Quantum materials can hold memory by jamming particle flow▼Jamming the flow to enable memory in quantum materials
Researchers at the University of California, San Diego report a way to make quantum materials capable of memory by jamming the flow of particles, similar to how traffic jams form. The work suggests that jammed states in quantum materials could be used to store information, offering a potential route toward new memory technologies in quantum computing and electronics.