Headline: Graphene Breakthrough: Quantum Spin Currents Without Magnetic Fields Enable Future Spintronics ⸻ Introduction: In a pioneering advancement for materials science and quantum technology, researchers at TU Delft have observed quantum spin currents in graphene without the use of external magnetic fields. This achievement brings us significantly closer to practical spintronics—ultra-thin, energy-efficient devices poised to transform computing, memory, and quantum systems. ⸻ Key Details ⚛️ First Observation of QSH Effect in Graphene (No Magnet Needed) • Lead Researcher: Talieh Ghiasi, quantum physicist at TU Delft (The Netherlands). • Breakthrough: First demonstration of the quantum spin Hall (QSH) effect in graphene without applying external magnetic fields. • Published In: Nature Communications, underscoring peer-reviewed credibility. 🌀 What Is the QSH Effect? • Edge-Only Flow: Electrons move uninterrupted along the edges of graphene. • Spin Polarization: All spins are aligned—pointing in the same direction—allowing stable, coherent quantum transport. • No Energy Loss: Spin currents flow with minimal resistance, ideal for low-power devices. 💡 Implications for Spintronics • Spintronics Defined: A field where electron “spin” (rather than charge) is used to process and store data. • Why It Matters: Offers faster speeds and lower energy consumption compared to conventional electronics. • Device Integration: This discovery removes a key barrier—external magnets—making on-chip spintronic circuits more feasible. ⸻ Why It Matters • Foundational Tech for Quantum Devices: Stable spin currents in 2D materials like graphene are critical for scalable quantum computing and non-volatile memory. • Energy Efficiency Revolution: Enables the development of low-power, high-speed computing architectures, ideal for mobile and edge devices. • Miniaturization Breakthrough: Removing the need for large magnetic field setups supports ultra-thin, integrated devices, pushing the limits of Moore’s Law alternatives. • Global R&D Impact: The findings will accelerate innovation across quantum engineering, semiconductors, and materials science. ⸻ Keith King https://lnkd.in/gHPvUttw Arzan Alghanmi
The Future of 2d Materials in Technology
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Summary
The future of 2D materials in technology is shaping innovations in electronic devices, quantum computing, and sustainable energy solutions. Materials like graphene and transition metal dichalcogenides are enabling breakthroughs in spintronics and semiconductor scaling, pushing the boundaries of what’s possible in technology.
- Explore 2D material applications: Dive into how ultra-thin materials like graphene are enabling energy-efficient, high-speed devices and revolutionizing quantum computing components.
- Stay informed on breakthroughs: Keep an eye on advancements such as the quantum spin Hall effect and spin-based computing, which are paving the way for miniaturized and powerful devices.
- Consider long-term implications: Understand how 2D materials might replace traditional electronics, offering scalable, sustainable solutions for the future of computing and beyond.
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⚛️ Graphene shows how spintronics can become practical! 🌟 Overview Graphene has long promised magical properties—but now it delivers. For the first time, scientists have demonstrated the quantum spin Hall (QSH) effect in magnetic graphene at zero magnetic field. By placing graphene next to an interlayer antiferromagnet (CrPS₄), researchers created a system that conducts spin without dissipation, even at room temperature. No magnets. No cooling tanks. Just pure quantum spin currents on a chip. 🤓 Geek mode Normally, QSH states require delicate tuning—external magnetic fields, ultra-pure materials, and cryogenic temperatures. But here’s the twist: CrPS₄ induces both spin–orbit coupling (SOC) and magnetic exchange in the graphene layer. These interactions open a topological bandgap while still preserving helical edge states—special quantum channels where electrons of opposite spin move in opposite directions. Even with broken time-reversal symmetry, the QSH effect survives. The team also measured a robust anomalous Hall effect up to 300K, confirming strong proximity-induced magnetism. 💼 Opportunity for VCs This unlocks a new class of topological spintronic devices—fast, robust, energy-efficient. 1️⃣Spin-based logic gates that don’t overheat. 2️⃣Room-temperature quantum interconnects. 3️⃣Low-power memory with zero crosstalk. Startups built on this could replace traditional charge-based electronics with coherent spin-based computation. The tech stack for magnetic graphene spintronics just got real—and it’s manufacturable with current 2D materials platforms. 🌍 Humanity-level impact We’re seeing the emergence of an era where spins, not charges, carry information. That shift has massive implications: No more heat dissipation bottlenecks. Orders-of-magnitude gains in speed and efficiency. Quantum behavior, at room temperature, in everyday devices. It’s essentially a working platform for quantum spin transport. 🤯 📄 Original study (Nature Communications, 2025): https://lnkd.in/gEWPtWyi #DeepTech #Spintronics #Graphene #QuantumMaterials #VentureCapital #RoomTemperatureQuantum
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imec Expands Semiconductor Roadmap with 2D Materials IMEC, a leading semiconductor R&D institute, is incorporating 2D materials into its logic scaling roadmap. A recent article by César Javier Lockhart de la Rosa, IMEC’s program manager for exploratory logic, explores the challenges and potential of transition metal dichalcogenides (MX₂) as a channel material for gate-all-around (GAA) transistors. IMEC has already contributed significantly to transistor scaling, supporting the industry’s shift from FinFET to GAA nanosheets and advancing backside power delivery. Its next focus is complementary FETs (CFETs), expected from the A7 node onward, extending its roadmap to A3 (circa 2035). To prepare for 2D material adoption, IMEC is researching their use in low-performance transistors before scaling to advanced nodes. Key challenges include deposition techniques, doping, dielectric integration, low-resistance contacts, and cost considerations. IMEC has demonstrated a successful MX₂ dry transfer process, presented at the 2024 VLSI Symposium. Could 2D materials be the next step in extending Moore’s Law? #Semiconductors #IMEC #2Dmaterials #LogicScaling #GAA #CFET #ChipDesign,#SemiconductorManufacturing, #VLSI, #Lithography, #ICPackaging