A research team tracked the crystallization process of HZO thin films in real-time, revealing that oxygen vacancies affect the material's performance. Films with fewer oxygen vacancies crystallized at lower temperatures and formed the ferroelectric phase required for information storage more favorably.
Young-Seok Lee's PhD research developed an end-to-end efficiency optimization design method that achieves 97% of the theoretical maximum efficiency in wireless power transfer systems. This design method jointly optimizes the energy conversion process in multiple-input multiple-output (MIMO) antenna systems, from transmitter to receiver.
A SNU team uses AI to analyze 1,202 records from 448 papers, exploring 150 million virtual compositions to identify 37 high-temperature-stable lead-free dielectric materials. Two compositions, with 1 mol% and 2 mol% of Sn, exhibit high room-temperature dielectric constants and excellent high-temperature stability.
Researchers propose a new air-electrode design principle that improves reversible solid oxide cell performance by balancing ionic and electronic conductivity. The composite air electrode enhances fuel-cell and electrolysis performance, enabling more efficient hydrogen production with lower costs.
Researchers at Seoul National University developed a technology to mass-produce 6G antennas on wafers, integrating antennas and RF semiconductor switches. This approach enables the production of ultra-high-density antenna arrays required for 6G and satellite communications in smaller form factors.
A team proposes a new theoretical framework called Non-Hermitian Statistical Crystallography to jointly control light absorption and amplification. They extend research on controlling light scattering beyond conventional crystal structures to disordered systems, enabling 'stealthy hyperuniformity' and precision directional control.
Researchers have developed an AI semiconductor device that temporarily remembers recent inputs while autonomously forgetting older information. This technology enables continuous processing of complex time-series signals without a separate reset process, representing a key innovation for low-power edge AI systems.
The SNU team introduces Cluster-aware Upcycling, leveraging semantic structure of pretrained models to promote specialization among expert modules. This approach outperforms conventional Sparse Upcycling on image-text retrieval and various image classification benchmarks.
Hyunsoo Lee, an SNU undergraduate, presents research in generative visual computing at leading conferences NeurIPS, CVPR, and ECCV. His work spans image editing, human motion, and 3D content generation, leveraging pretrained generative models to produce consistent outputs.
A joint research team has discovered that silver nanocatalysts operate at different reaction sites depending on whether generating electricity or producing hydrogen in solid oxide cells. The study proposes a new design principle to accelerate high-efficiency green hydrogen production and clean power generation by optimizing the catalys...
SNU researchers developed a new catalyst design principle that selectively suppresses hydrogen evolution while maintaining nitrogen reduction activity. The approach increased Faradaic efficiency to nearly 100% and enables localized production of eco-friendly ammonia near renewable energy sources.
A research team developed a bioceramic material that releases magnesium ions in accordance with the stages of osteoporotic fracture healing, suppressing inflammatory immune responses. The study suggests advanced fracture treatment materials could regulate immune responses to promote bone regeneration.
The SNU team developed a new nanostructured catalyst, termed 'nanomace,' by chemically bonding ceria nanocubes and nanorods. The interface where the two crystal structures meet serves as a key active site, enhancing lattice oxygen activation and catalytic reactions.
Researchers propose a new design principle for nonlocal metamaterials that precisely control vibrations and waves, enabling precise control over wave propagation and motion. The proposed technology is expected to serve as a foundational platform for next-generation vibration control and high-performance sensing technologies.
A joint research team from SNU and University of Seoul developed a programmable photonic integrated circuit that can slow light on demand. This innovation enables the storage, delay, and control of light within a single photonic chip, overcoming limitations in optical computing technologies.
A technology has been developed that allows artificial intelligence to inversely determine process conditions for quantum-dot light-emitting diode devices. The technology roughly doubled efficiency and extended operational lifetime more than 40-fold when applied to actual devices.
The research team developed a novel X-type quasi-two-dimensional perovskite emitter that enables thermodynamically controlled crystal growth and precise crystallization control in vacuum deposition. This enabled the creation of highly uniform, high-efficiency, and high-color purity PeLEDs.
A research team led by Prof. Jun Won Choi of Seoul National University College of Engineering independently developed SafeDrive, an end-to-end autonomous driving AI model. The work has been recognized for its impact on the field of autonomous driving technology.
The SNU Engineering team has developed an eco-friendly artificial spiderweb pressure sensor that achieves high sensitivity, fast response time, and excellent mechanical stability. The sensor is capable of real-time detection of human pulse, respiration, vocalization, and finger movements, making it suitable for Parkinson’s disease reha...
Researchers developed a biomimetic water-harvesting system that extracts clean drinking water from contaminated soil using the desert horned lizard's skin and jaw motion. The system uses a porous medium and motor-driven artificial jaw to collect water, achieving more energy efficiency than conventional methods.
The study successfully integrates probabilistic sampling and deterministic computation in generative AI hardware within a single ferroelectric memory array. The technology enables the generation of diverse images reflecting facial attributes, improving area and power efficiency in applications.
Researchers at Seoul National University developed an automated design platform using generative AI to create complex DNA origami structures with curved and irregular geometries. The technology, Generative SNUPI, enables users to fabricate DNA nanostructures that can undergo shape transformations and be assembled modularly.
Researchers develop methodology to precisely design and control degree of disorder in nanopattern structures, enabling new possibilities for wave-controlling devices. The technology also reveals tailored physical properties for functional materials with wide-range control over disorder.
A research team led by Prof. Yongtaek Hong developed a high-performance transparent organic light-emitting diode (OLED) incorporating highly conductive transparent metal mesh top electrodes fabricated using a selective metal deposition technique. The electrodes achieved high optical transparency of 93-99% and low sheet resistance, maki...
The Seoul National University research team created an ultra-low-voltage electrochemical organic light-emitting transistor that performs signal processing, memory, and light emission within a single semiconductor device. The device achieved wide, stable light emission at low voltages without high voltages or unstable n-type doping.
Researchers successfully engineered a novel platinum cluster catalyst that maximizes hydrogen production performance while minimizing platinum usage. The catalyst enables precise control over the number of atoms in each cluster, achieving world-leading hydrogen production per unit of platinum.
Researchers developed a dual-mode magnetic elastomer that can move and degrade using a single material platform. The material's degradation process involves rapid temperature rise, triggering degradation without additional heating, while maintaining mechanical properties needed for soft robotic applications.
Researchers develop irreversible CRISPR base editing system to permanently block microbial survival, reducing environmental risk and genetic instability. The technology has broad applications in industrial biotechnology and biopharmaceutical fields.
Researchers at Seoul National University developed a new mechanical system that amplifies motion and remembers external triggers through magnetic attraction and elastic restoring force. The system, called Elasto-Magnetic Instability (EsMI), enables large-amplitude vibration and efficient energy conversion.
The SNU research team created an LCE-based artificial muscle that integrates sensing and actuation functions, mimicking biological muscle-tendon complexes. This breakthrough technology enables robots to delicately manipulate objects and recognize their properties.
Researchers have developed a skin-conformal wearable healthcare system that measures electrocardiogram (ECG) signals without a battery. The system uses human body–coupled wireless power transfer to enable long-term health monitoring, overcoming the power supply challenge in wearable devices.
Researchers developed a new class of ultralight structural materials with 3D node winding, achieving compressive strengths comparable to concrete and up to ten times stronger than conventional lattice structures at equal weight. The approach enables continuous load paths, reducing inactive material and improving system-level performance.
A laser-based cell isolation system enabled researchers to isolate and analyze osteoblasts, revealing a new mechanism regulating bone formation. A combination therapy strategy targeting both WNT and TGF-β signaling pathways is proposed to enhance treatment efficiency.
A team of researchers developed a fully biodegradable and compostable soft robotic electronic system that maintains high performance and durability during operation yet completely returns to nature after use. The system was made from a water-free biodegradable elastomer and integrated biodegradable inorganic electronic components, exhi...
Professor Tae-Woo Lee's research team has developed a 'Cold-injection' method to synthesize high-quality perovskite nanocrystals at room temperature, overcoming safety risks and production costs. The technology achieved near-unity photoluminescence quantum yield in a large-scale synthesis of 20 liters.
Researchers demonstrate programmable spinor lattice on a photonic integrated circuit, enabling non-Abelian physics and topological quantum computing. They propose novel topological physical phenomena that differ from previous implementations.
Researchers at Seoul National University have developed an AI-based material redesign technology that transforms hard-to-synthesize materials into synthetically feasible forms. The SynCry model successfully redesigned over 3,400 structures, accelerating the development of next-generation semiconductor and battery materials.
Professor Tae-Woo Lee's research group develops hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the long-standing instability of metal-halide perovskite emitters while achieving record-breaking quantum yield, operational stability, and scalability. This breakthrough paves the way for next-generation v...
The research team developed a novel design combining an exciplex-assisted phosphorescent layer and MXene-contact stretchable electrode, achieving record-high efficiency fully stretchable OLEDs. The device maintained stable luminance and efficiency under large tensile strains, demonstrating reliable operation.
Scientists at Seoul National University create an interlaced origami structure that can be folded, rolled up for storage, and deployed with high strength. The design overcomes limitations of traditional corrugated structures, enabling multi-layer folding and smooth unwinding.
KVzip reduces chatbot response time and memory cost while maintaining accuracy, achieving 3–4× memory reduction and approximately 2× faster response times. The technology also demonstrates scalability to extremely long contexts and has been integrated into NVIDIA's open-source library.
Researchers at Seoul National University have developed a groundbreaking thermal management technology that enables selective cooling and heating functions using a single material and process, reducing energy consumption by up to 26.5%.
Researchers at Seoul National University outlined a comprehensive roadmap for the 'gate stack' engineering of 2D transistors, a promising next-generation semiconductor device. The study provides a systematic development roadmap for both academia and industry.
Scientists at Seoul National University have developed a framework to manipulate emergent behavior in animal groups and robot swarms. The approach uses physics-informed AI to learn local interaction rules, enabling the control of collective patterns such as rings, clumps, and flocks.
Researchers identified reconstruction mechanism of copper alloy catalysts during electrochemical CO₂ conversion reactions. The findings provide a 'design map' for understanding and predicting surface reconstruction, enabling the design of dynamic catalysts that adapt during operation.
The SNU–APCTP joint research team experimentally demonstrated multiscale coupling in plasma, a phenomenon that explains how microscopic instabilities drive macroscopic structural changes. Their findings have significant implications for fusion energy development and astrophysical plasma study.
Seoul National University researchers developed a wearable electronic device that continuously measures blood pressure with a compact, flexible patch. The device surpasses traditional cuff-based monitors in accuracy and convenience, paving the way for early diagnosis of chronic conditions like hypertension.
Researchers at Seoul National University have developed a fully biodegradable, high-performance conductive fiber that can be seamlessly integrated into wearable electronics. The fiber system maintains performance during use but vanishes in enzyme-rich or soil environments, leaving no harmful residues behind.
Researchers developed a wireless implantable drug delivery system that enables anticancer drugs to penetrate deep into solid tumors without harming surrounding healthy tissue. The Dual-Phoretic Wireless Drug Delivery System achieved over four times greater drug delivery efficiency than standard injection methods and reduced tumor volum...
Researchers from SNU developed a groundbreaking hardware security technology based on commercially available V-NAND flash memory, enabling secure generation, storage, and concealment of keys. The Concealable PUF technology maintains unclonability and randomness while adding the ability to hide and reveal the security key as needed.