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Recent #Materials news in the semiconductor industry
➀ Bell Telephone Laboratories discovered zinc oxide and cadmium sulfide exhibit superior piezoelectric properties, differing from traditional quartz-based solutions;
➁ Lithium diffusion was used to enhance material resistivity, increasing efficiency in electromechanical transducer applications;
➂ These materials demonstrated higher electromechanical coupling coefficients (0.4 for zinc oxide, 0.2 for cadmium sulfide) compared to quartz (0.095), suggesting transformative potential for high-efficiency devices.
➀ Germany faces challenges in laser technology due to reliance on rare earths and crystals from third countries, exacerbated by export restrictions and geopolitical tensions;
➁ Fraunhofer Institute (IOSB) develops alternative solutions through advanced crystal growth, nonlinear optical materials, and fiber laser technologies to ensure supply chain independence;
➂ Innovations include improved crystal processing techniques, fiber optics for infrared applications, and robustness testing, showcased at LASER 2025 trade fair in Munich.
➀ Researchers discovered that the orbital angular momentum of electrons in chiral materials like cobalt silicide can be actively controlled via crystal chirality;
➁ This breakthrough enables new orbitronic devices for robust and energy-efficient data transfer, utilizing orbital momentum instead of charge or spin;
➂ The EU supports this innovation through the EIC Pathfinder project OBELIX, with potential applications ranging from light-controlled switches to hybrid quantum components.
➀ The Substrate Vision Summit in Santa Clara is expected to attract a large crowd, focusing on semiconductor substrates and their impact on 3D IC performance. ➁ AI's role in transforming the semiconductor value chain will be discussed, highlighting its impact on scaling, complexity, and high-performance chip demands. ➂ Keynote speakers and panel discussions will explore advancements in semiconductor materials, AI computing, and the role of universities in technology development.
➀ Chomerics has developed a thermal gap pad with low oil bleed and low oil migration; ➁ The pad, named 'Pad 80LO', has a thermal conductivity of 8W/mK and Shore 00 hardness of 60; ➂ It is designed for minimal stress on components and vibration dampening, suitable for GPUs, CPUs, and various equipment in telecomms, defense, energy storage, and vehicles.
➀ Researchers at the University of Glasgow have developed 3D-printed lattice-like composites that can detect their own strain, load, and damage. ➁ The material, made from a PEI polymer mixed with carbon nanotubes, is designed to monitor its own performance without additional hardware. ➂ The team has created a complete theoretical model of the substance's piezo resistivity, allowing for accurate prediction of the material's response to stress and strain.
➀ Daxin Materials has developed chipmaking materials supporting advanced 2nm manufacturing processes and CoWoS packaging. ➁ The company provides specialty chemicals for semiconductor, display, and key raw materials. ➂ Daxin continues to increase revenue generated from these advanced materials.