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Nature Communications | Observation of Reverse Electromigration in Sub-10 nm Metal Interconnects Based on ZEPTOOLS In-Situ TEM Technology

Nature Communications | Observation of Reverse Electromigration in Sub-10 nm Metal Interconnects Based on ZEPTOOLS In-Situ TEM Technology

In the field of nanoelectronic devices, the rapid development of miniaturization and high integration density poses severe challenges to the atomic-scale stability of nanoscale components under extreme operating conditions. As device dimensions shrink to the sub-10 nm scale, electromigration becomes a core bottleneck limiting reliability, where the directional diffusion of atoms driven by high-density current gradually damages metal interconnects, ultimately leading to device failure. For a long time, copper and gold, as mainstream interconnect materials, exhibit significant resistivity increases and low diffusion activation energies at the sub-10 nm scale, making them highly prone to failure. Traditional theory holds that the electron wind force is the primary driver of atomic migration in metal interconnects, with its direction always aligned with the electron flow, which has served as the cornerstone for formulating reliability strategies in the electronics industry.

15

2026

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04

ZEPTOOLS ZEM Series Scanning Electron Microscope | Stress-Driven Dynamic Evolution of Ferroelectric Domains and Its Impact on Actuator Performance

ZEPTOOLS ZEM Series Scanning Electron Microscope | Stress-Driven Dynamic Evolution of Ferroelectric Domains and Its Impact on Actuator Performance

As the core component of high-precision positioning and force conversion systems, piezoelectric actuators play an irreplaceable role in precision manufacturing fields such as aerospace, automotive engineering, and biological sampling. With the continuous expansion of the global piezoelectric industry, the industry has put forward stringent requirements for actuators in terms of nanometer-scale displacement resolution, millisecond-level response speed, and high power density. Currently, lead-based relaxor ferroelectrics remain the mainstream choice for research and application in this field due to their excellent electromechanical properties, particularly their key role in micro-displacement compensation. However, existing high-performance piezoelectric materials often face complex external disturbances during actual service, which has become a bottleneck restricting the long-term stable operation of devices.

08

2026

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04

Nature Communications | Schiff Base Network Synergistically Modified Copper Surface for Highly Selective and Durable CO2 Electroreduction to Ethylene

Nature Communications | Schiff Base Network Synergistically Modified Copper Surface for Highly Selective and Durable CO2 Electroreduction to Ethylene

In the process of global industrialization, the massive emission of carbon dioxide has become a serious challenge causing global climate change. Therefore, developing efficient CO2 conversion technologies to produce high-value-added chemicals holds significant strategic importance. Among various technological approaches, the electrocatalytic carbon dioxide reduction reaction (CO2RR) is regarded as a highly promising means to achieve carbon neutrality due to its environmental friendliness and high potential for integration with renewable energy. Among various metal catalysts, copper-based catalysts stand out as the most promising candidate for large-scale application because of their unique ability to produce multi-carbon products and their low cost advantage.

07

2026

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04

ZEPTOOTS ZEM Series Scanning Electron Microscope | Study on Microstructural Characteristics and Fracture Behavior of Magnetic Pole Screws in Industrial Synchronous Motor Rotors

ZEPTOOTS ZEM Series Scanning Electron Microscope | Study on Microstructural Characteristics and Fracture Behavior of Magnetic Pole Screws in Industrial Synchronous Motor Rotors

Industrial motors are evolving toward higher power density, higher rotational speeds, and greater sustainability, which subjects the rotor magnetic pole screws used to secure permanent magnets in synchronous motors to enormous mechanical stress. To ensure motor stability and electromagnetic performance under high-speed operation, the screws must possess both extremely high wear resistance and fatigue resistance. Traditional thread manufacturing processes mainly fall into two categories: mechanical cutting and roll forming. While cutting offers significant advantages in dimensional accuracy, its efficiency in producing slender shaft threads is relatively low. In contrast, the cold rolling process, with its high production efficiency and strengthened gradient microstructure, can significantly enhance the surface hardness and strength of threads, thereby meeting the stringent performance requirements for fasteners under complex operating conditions.

31

2026

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03

Advanced Science | ZEPTOOLS DMD Maskless Aligner Helps Create High-Quality Crystalline Magnetic Microradial Structures

Advanced Science | ZEPTOOLS DMD Maskless Aligner Helps Create High-Quality Crystalline Magnetic Microradial Structures

In traditional tiled lattice structures, simple magnetic ordering configurations typically exhibit collinear spin arrangements, primarily driven by Heisenberg exchange interactions. However, with the rapid advancement of micro/nanofabrication technologies, low-dimensional curved geometries capable of breaking spatial inversion symmetry have attracted significant research interest. This curvature effect, combined with the spontaneous breaking of time-reversal symmetry in magnetic materials, can induce non-collinear spin textures such as magnetic vortices, hopfions, and skyrmions. These complex magnetic structures show great potential for fundamental physics research and the development of next-generation high-density non-volatile memories and spintronic devices. Researchers have explored various magnetic configurations on curved surfaces, aiming to leverage geometric design to achieve topological magnetism and chiral magnetic states, thereby opening new pathways for the design of novel electronic materials.

27

2026

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03

From Physical Masks to Digital Light Fields: How Maskless Lithography is Reshaping the R&D Paradigm in Micro- and Nanofabrication

From Physical Masks to Digital Light Fields: How Maskless Lithography is Reshaping the R&D Paradigm in Micro- and Nanofabrication

In the field of micro-nano engineering, the chasm between a CAD-based digital design and a functional physical device is bridged by a series of precision manufacturing processes, among which photolithography is undoubtedly the cornerstone for defining device geometry. For enterprises with decades of technological expertise in electron microscopy and in-situ measurement systems, the expansion of their capabilities often follows a clear physical principle—evolving from "observing" the microscopic world to "transforming" it. Driven by this logic, advanced micro-nano fabrication solutions have emerged.

24

2025

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09

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