Abstract
The separation of magnetic micro- and nanoparticles based on their size and magnetic properties can greatly enhance their potential in chemical, biological, and medical applications. In this work, we propose a millifluidic magnetic separation chip that employs a bulk superconducting magnet to achieve efficient particle separation. The separation performance of the chip is analysed using the finite-element software package COMSOL Multiphysics. The performance of the chip is investigated under different magnetic conditions, including the use of a permanent magnet and bulk superconducting magnets operating at various temperatures. The results demonstrate that at a bulk operating temperature of 60 K, the system can effectively achieve high-throughput separation of magnetic particles within the size range of 0–20 μm. The study also reveals that the chip can be utilised for particle size detection. Overall, this modelling framework provides a theoretical foundation for the design and development of practical, high-efficiency millifluidic magnetic separation systems for future applications.
| Original language | English |
|---|---|
| Article number | 3700306 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 36 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 11 Feb 2026 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- applied superconductivity
- bulk superconducting magnet
- magnetic separation
- numerical simulation
- finite element method
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