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Electronic Properties and Device Engineering Lab
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A lab that uses diamond to create sensors that work even in extreme environments.
AboutAbout the lab
Creating diamond sensors that work even in extreme environments
The Electronic Properties and Device Engineering Lab studies sensing materials and devices, along with the process and evaluation technologies, including the elemental technologies needed to build the devices.
The lab handles everything in one place, from making the materials to evaluating them and fabricating the devices.
In recent years, the lab has focused on all-diamond sensing devices, with the aim of building IoT devices that can operate even in extreme environments such as outer space.
On the lab's website, it is presented under the name "Yoshitake Lab."
Key terms
- Physical vapor deposition
- A general term for methods that turn a material into vapor and deposit it on a substrate to form a thin film. Sputtering is one of them.
- Coaxial arc plasma deposition
- A type of physical vapor deposition. Plasma produced by an arc discharge is directed onto a substrate to form a thin film.
- Heteroepitaxial growth
- A method of growing a different material on top of a crystal, with the crystal orientations aligned.
NewsLab news
A student who completed the master's program received the Graduate School Award and the Major Award
A paper by Prof. Yoshitake and colleagues was published in Wear
A paper by Prof. Yoshitake and colleagues was published in Diamond and Related Materials
A paper by Prof. Yoshitake and colleagues was published in Small
A paper by Prof. Yoshitake and colleagues was published in Materials Letters
ResearchResearch themes
The lab studies sensing materials and devices, and the elemental technologies needed to build devices, in one continuous workflow from material synthesis to evaluation and device fabrication. To synthesize sensing materials, it mainly uses physical vapor deposition methods such as sputtering and coaxial arc plasma deposition.
*Illustrative imageDiamond sensors for extreme environments
The lab builds all-diamond optical, magnetic, and chemical sensing devices that can operate in extreme environments, including outer space. The goal is for them to be usable as IoT devices.
*Illustrative imageGallium oxide–diamond photodetectors
This research grows gallium oxide films heteroepitaxially on diamond to build pn-junction photodetectors.
*Illustrative imageGrowth and applications of nanodiamond films
The lab develops growth processes for nanodiamond films by physical vapor deposition and explores applications such as hard coatings and biocompatible coatings.
MembersFaculty
The members of the Electronic Properties and Device Engineering Lab consist of faculty, a Project Assistant Professor, technical assistants, doctoral, master's, and undergraduate students, research students, visiting researchers, and special research students.As of 2026
- ProfessorTsuyoshi Yoshitake
- Associate ProfessorAbdelrahman Zakaria Mohamed Ahmed
- Associate ProfessorHiroshi Naragino
- Project Assistant ProfessorMylo Barafil Saulinat
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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: “Fancy Blue Diamond created by Syntechno LTD” Igor Stratichuk / CC BY-SA 4.0 (cropped)
- Diamond sensors for extreme environments: “Diamond (side view)” Pavel.Somov / CC BY 4.0 (cropped)
- Gallium oxide–diamond photodetectors: “Photodiode-closeup” John Maushammer, took this picture on Aug 2, 2006. (user Morcheeba) / CC BY-SA 2.5 (cropped)
- Growth and applications of nanodiamond films: “Single-crystal CVD diamond disc” Matthias Schreck, Stefan Gsell, Rosaria Brescia & Martin Fischer / CC BY-SA 4.0 (cropped)
- Related lab (Functional Organic Materials Chemistry Lab): “PaperPhone Flexible Smartphone” Superdiddly / CC BY-SA 3.0 (cropped)
- Related lab (Functional Inorganic Materials Engineering Lab): “Ceramic monoliths” S. Govender, H. Friedrich / CC BY-SA 4.0 (cropped)
- Related lab (Ionization Reaction Engineering Lab): “Minimal Fab exhibit at Tsukuba Science Square 5” Syced / CC0 (cropped)
- Related lab (Optical Device Engineering Lab): “Laboratorium FAMO UMK A 241” Ciacho5 / CC BY-SA 4.0 (cropped)
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