Chinese scientists achieve breakthrough in 2D semiconductor wafers

Chinese researchers have announced a new technique to mass-produce 2D material wafers, paving the way for high-performance electronics using a successor to silicon. Two-dimensional materials such as molybdenum disulfide, with their atomically thin structure, are regarded as promising successors for the post-Moore’s Law era due to their high carrier mobility and low power consumption. However, a core obstacle to commercialisation has been the difficulty of producing them uniformly over large areas and at a high quality.

The quest for next-generation materials that can deliver superior performance in coveted chips has become a global priority. Chinese researchers have announced a new technique to mass-produce 2D material wafers, paving the way for high-performance electronics using a successor to silicon.

Among the candidates, two-dimensional (2D) materials such as molybdenum disulfide (MoS₂) with their atomically thin structure are regarded as promising successors for the post-Moore’s Law era because of their high carrier mobility and low power consumption.

However, one of the core obstacles to commercialisation has been the difficulty of producing them uniformly over large areas and at a high quality. This breakthrough addresses that challenge, potentially advancing semiconductor innovation beyond traditional silicon-based chips.

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ETH Zurich scientists with single-atom indium catalyst converting CO2 to methanol in a high-tech lab reactor, sustainable energy theme.
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Scientists develop single-atom catalyst for CO2-to-methanol conversion

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Researchers at ETH Zurich have engineered a catalyst using isolated indium atoms on hafnium oxide to convert CO2 and hydrogen into methanol more efficiently than previous methods. This single-atom design maximizes metal use and enables clearer study of reaction mechanisms. The breakthrough could support sustainable chemical production if powered by renewables.

중국 과학자들이 기존 대비 1,000배 빠른 성장 속도를 가진 차세대 2D 반도체 소재를 개발하고 있다. 이는 무어의 법칙의 한계를 극복하고 LED, 광검출기, 레이저와 같은 광전자공학 분야에 응용될 것으로 기대된다.

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Researchers at the University of Texas at Austin have observed a sequence of exotic magnetic phases in an ultrathin material, validating a theoretical model from the 1970s. The experiment involved cooling nickel phosphorus trisulfide to low temperatures, revealing swirling magnetic vortices and a subsequent ordered state. This discovery could inform future nanoscale magnetic technologies.

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Chemists at Saarland University have created pentasilacyclopentadienide, a silicon analogue of a stable aromatic compound, ending decades of failed attempts. The breakthrough, published in Science, replaces carbon atoms with silicon in a five-atom ring structure. This achievement opens potential for new materials and catalysts in industry.

A team of scientists has developed a new method to manipulate quantum materials using excitons, bypassing the need for intense lasers. This approach, led by the Okinawa Institute of Science and Technology and Stanford University, achieves strong Floquet effects with far less energy, reducing the risk of damaging materials. The findings, published in Nature Physics, open pathways to advanced quantum devices.

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Tesla has reached a key milestone by scaling up production of its dry electrode battery technology, a move that promises to reduce costs and boost efficiency in electric vehicle manufacturing. Elon Musk hailed the achievement as a major breakthrough on social media. This innovation builds on patents acquired from Maxwell Technologies in 2019.

 

 

 

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