Ningbo Oriental University of Science and Technology

Ningbo Oriental University of Science and Technology
Equipment Purchased: PULVERIZER 80 High-Energy Planetary Ball Mill
Purchase Time: 2024
Application Scenarios: Nanoscale preparation and R&D of cutting-edge materials such as quantum materials and topological insulators

Core Requirements:
1.Achieve precise and controllable preparation of nanoparticles within the 1–100 nanometer range
2.Meet ultra-low metal contamination requirements at the parts per billion (ppb) level (<10 ppb)
3.Be compatible with extreme experimental conditions, including low-temperature liquid nitrogen environments and high-purity inert atmospheres
4.Possess complete process parameter recording and data traceability functions

Solutions:
1.Utilized magnetic levitation transmission and liquid nitrogen temperature control systems to achieve stable grinding with low temperature and minimal vibration
2.Configured high-purity zirconia grinding components and online contamination monitoring to ensure material cleanliness
3.Equipped with an intelligent control system to record and optimize key parameters such as grinding energy, temperature, and atmosphere in real time

Results:
1.Successfully prepared topological insulator powder with an average particle size of 2.3 nanometers
2.Controlled metal contamination to within 8 ppb while reducing energy consumption by over 40% in liquid nitrogen environments
3.Ensured stable equipment operation, supporting multiple cutting-edge material research projects and the publication of high-level academic papers