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Micro Energy Devices [Endo (Y.)-Muroga] Lab
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A lab that creates materials for next-generation devices from high-frequency magnetism and the electromagnetic environment.
AboutAbout the lab
Innovative material development for next-generation devices.
Endo-Muroga Lab studies the development, measurement, analysis, and application of functional materials, centered on high-frequency magnetics engineering and electromagnetic compatibility (EMC) engineering.
At the intersection of magnetics engineering and EMC engineering, the lab creates materials for next-generation electrical and electronic devices.
It also proposes techniques for evaluating material properties with high sensitivity at high frequencies, and works on applying materials to devices.
The lab accepts students who go on to graduate school from departments other than the Department of Electrical, Information and Physics Engineering, and also welcomes doctoral students who are working professionals.
Key terms
- Soft magnetism
- The property of changing magnetization direction easily even in a weak magnetic field, and of ceasing to be a magnet once the field is removed
- Inductor
- A component that uses a coil to suppress changes in current. It is used to stabilize voltage and current
- EMC engineering
- The field that deals with unwanted electromagnetic waves (noise) emitted by equipment and their effects on other equipment
NewsLab news
A student received the Dean's Award of the Graduate School of Engineering
A student received the IEEE EMC Society Japan Joint / Sendai Chapters Student Award
A student received the Young Researcher Excellence Award from the Environmental Electromagnetic Engineering Research Group
A student received the Research Encouragement Award at the Microelectronics Symposium
A master's student received the Student Presentation Award (Sakurai Presentation Award) at the Annual Conference of the Magnetics Society of Japan
ResearchResearch themes
The lab advances innovative material development for next-generation electrical and electronic devices, centered on the interdisciplinary area of magnetics engineering and EMC engineering. Its research covers proposing techniques for evaluating properties with high sensitivity at high frequencies, and extends to applying the materials it makes to devices.
*Illustrative imageSoft magnetic thin films
How magnetization moves inside a magnetic thin film (spin dynamics) is attracting attention from both fundamental and applied perspectives. The lab proposes new measurement techniques to clarify the origin of the Gilbert damping constant, which expresses how strongly the motion is damped, and investigates its relationship with the saturation magnetostriction constant.
*Illustrative imageSoft magnetic fine particles
The lab studies techniques for making soft magnetic amorphous fine particles and for evaluating their high-frequency magnetic properties. These particles have high saturation magnetization, and are made submicron-sized to suppress loss in high frequency bands.
*Illustrative imageMagnetic inductors
Inductors using magnetic materials are indispensable elements for stabilizing the voltage and current of electrical and electronic devices. Toward small, low-power next-generation devices, the lab works on developing new magnetic materials, and on developing magnetic inductors that are small, high in energy density, low in loss, and operate at high frequencies.
*Illustrative imageNoise suppressors
High-frequency signals generated inside and outside equipment can radiate unwanted electromagnetic waves (noise) that interfere with the operation of other devices and circuits. The lab examines problems in the generation and propagation of electromagnetic waves and on the side that receives the interference, and proposes ways to properly control electromagnetic fields with new materials.
MembersFaculty
The members of Endo-Muroga Lab consist of faculty, staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorYasushi Endo
- Associate ProfessorSho Muroga
- Assistant ProfessorSaijian Ajia
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Nuclear magnetic resonance in the CAFIA laboratory” Sarka Na kopci / CC BY-SA 4.0 (cropped)
- Soft magnetic thin films: “Nano-layer of Ruthenium Stabilizes Magnetic Sensors ( )” National Institute of Standards and Technology / Public domain (cropped)
- Soft magnetic fine particles: “Ferrofluid Magnet under glass edit” Gregory F. Maxwell PGP:0xB0413BFA / CC BY-SA 3.0 (cropped)
- Magnetic inductors: “Toroidal inductor” Peripitus / CC BY-SA 4.0 (cropped)
- Noise suppressors: “RF Fully Anechoic Room 2” Mihaelawojcik / CC BY 4.0 (cropped)
- Related lab (Saito-Ogawa Lab): “Hard disk drive platter, Western Digital Caviar 250Gb WD2500AAKS” Mk2010 / CC BY 4.0 (cropped)
- Related lab (Advanced Spintronics Medical Application Engineering Joint Research Lab): “Hall sensor square van der Pauw Geometry” Panoga / CC BY-SA 4.0 (cropped)
- Related lab (Next-Generation Spin Electronics Materials Engineering [Tsunoda] Lab): “Actuator arm assembly of a hard disk drive” Mk2010 / CC BY 4.0 (cropped)
- Related lab (Nano-Bio Integrated Molecular Device [Hirano] Lab): “Wafer - 1” Windell Oskay / CC BY 2.0 (cropped)
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