magnetics, magnetization, micromagnetics

A part of this report was introduced in the May 2022 issue of our periodical, “Yano E plus.”

–– The Magnetization Structure of Magnetic Materials Can Now be Solved Numerically, and the Solution Has Been Used in the Improvement of Properties of Magnetic Materials –

1. What is Micromagnetics?

2. Fields of Application of Micromagnetics Attracting Attention

2-1. Magnetic Recording Materials

2-2. Magnetic Materials for Driving Motors

2-3. Magnetic Sensors

3. Market Size Transition and Forecast of Magnetic Materials Related to Micromagnetics

4. Research and Development by Universities and Companies

4-1. Osaka University

1) Large-Scale Calculation Results on Local Magnetostrictive Effects in Nanocrystalline Magnetic Materials

2) Dependence of Crystal Particle Size on Magnetostrictive Effects in Nanocrystalline Soft Magnetic Materials

4-2. Kyushu University

1) Magnetic Recording Devices

i. Microwave Assisted Magnetic Recording

ii. Magnetic Wall Movement Recording Devices

2) Spin Wave Devices – Logic Operation Devices –

3) Micromagnetics Calculation Methods – High-Speed Calculation Method –

4-3. Kyoto University

1) Micromagnetics Revealing Macromagnetic Properties from a Microscopic Perspective

2) Magnetic Simplified Domain Structure Model (SDSM)

3) Prediction of Stress Dependence of Magnetic Properties Using Multiphysics Models of Materials

4-4. Kogakuin University

1) Research on Micromagnetic Sensors with High Resolution, Fast Response, and Low Power Consumption

4-5. The University of Tokyo

4-6. Fujitsu Limited

1) Development of Micromagnetic Simulators

i. Development History of Micromagnetic Simulators

ii. Strong Points of “COLMINA CAE Magnetic Field Simulator”

2) Application Examples of “COLMINA CAE Magnetic Field Simulator”

i. HDD

ii. Permanent Magnets for EV Motors

iii. Magnetic Sensors

iv. MRAM

5. Future Prospects