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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Geologists discovering a major critical-mineral deposit at Utah's Silicon Ridge, highlighting potential U.S. supply chain boost.
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Utah mineral discovery seen as potential boost to U.S. critical supply chains

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Ionic Mineral Technologies has uncovered what may be one of the United States’ most significant critical-mineral deposits at Utah’s Silicon Ridge, a find that could aid efforts to reduce dependence on China-dominated supply chains, according to reporting cited by The Daily Wire.

국제 연구팀이 부드럽고 불안정한 이온 결정 격자 반도체, 구체적으로 2D 페로브스카이트 박막 단결정을 구조 손상 없이 가공하는 '자체 식각' 기술을 개발했다. 이는 광전자 재료의 핵심 도전을 극복한 것이다. 중국 과학기술대학, 퍼듀 대학교, 상하이 테크 대학교 연구원들이 주도한 이 연구는 목요일 네이처지에 발표됐다.

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Researchers at Japan's RIKEN Center for Emergent Matter Science have pioneered a method to carve three-dimensional nanoscale devices from single crystals using focused ion beams. By shaping helical structures from a magnetic crystal, they created switchable diodes that direct electricity preferentially in one direction. This geometric approach could enable more efficient electronics.

Researchers at Florida State University have created a novel crystalline material that exhibits complex swirling magnetic behaviors not found in its parent compounds. By blending two structurally mismatched but chemically similar materials, the team induced atomic spins to form skyrmion-like textures. This breakthrough, detailed in the Journal of the American Chemical Society, could advance data storage and quantum technologies.

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Researchers have witnessed a superfluid in graphene halt its motion, transitioning into a supersolid—a quantum phase blending solid-like order with frictionless flow. This breakthrough, achieved in bilayer graphene under specific conditions, challenges long-held assumptions about quantum matter. The findings, published in Nature, mark the first natural observation of such a phase without artificial constraints.

Researchers have produced the most intricate time crystal to date using an IBM superconducting quantum computer. This two-dimensional quantum material repeats its structure in time, cycling through configurations indefinitely. The achievement advances understanding of quantum systems and their potential for material design.

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중국 연구진이 황화수소 처리에서 획기적인 성과를 거두며, 더 지속 가능한 화학 산업을 위한 새로운 해결책을 제시했다. 중국과학원 대련화학물리연구소가 개발한 이 기술은 화요일 검증되었다.

 

 

 

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