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Pu Lab
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A lab that stacks two-dimensional materials to open up new functions and devices.
AboutAbout the lab
New functions and devices opened up by two-dimensional materials.
The Pu Lab studies the properties of two-dimensional materials and their stacked structures, and applies them to devices.
It investigates the behavior of electrons and light that is unique to two-dimensional materials, which are as thin as a material can be.
Using its own fabrication and measurement techniques, the lab explores the distinctive properties of superlattice structures that combine various materials.
It aims to create new devices that have never existed before by taking advantage of the characteristics of the materials.
Key terms
- Two-Dimensional Materials
- Sheet-like materials that are only one to a few atomic layers thick
- Moiré Structure
- A structure with a large-period pattern that appears when lattice-like layers are stacked with a slight offset
- Electrolyte Gate
- A mechanism that uses an electrolyte (a material containing ions) to apply an electric field to the transistor material and add or remove charge
NewsLab news
Assistant Professor Ou won a poster award at an international conference on two-dimensional materials
Paper published in "Advanced Electronic Materials"
A student won a poster award at MRS Spring Meeting 2026
Paper published in "Nano Letters"; press release issued
Paper published in "Small Methods"
ResearchResearch themes
The lab studies the physical properties of two-dimensional materials and their stacked structures, and applies them to devices. Using its own fabrication and measurement techniques, it aims to create new devices that take advantage of the characteristics of the materials.
*Illustrative imageStacked Two-Dimensional Materials
In structures made by stacking different two-dimensional materials, the lab explores new functions using its own electrolyte-based light-emitting and light-detecting device technology. It also fabricates precisely stacked moiré structures and investigates their physical properties.
*Illustrative imageElectrolyte-Gated Devices
The lab builds devices that control the properties of light by taking advantage of changes in charge and electric field induced by an electrolyte. It also studies how to control the electronic state of a material (electronic phase) using electrolyte-gated transistors.
*Illustrative imageControlling Symmetry with Strain
The lab applies strain to materials to control crystal symmetry and investigates their electronic and optical properties. It also explores new quantum functions and devices that make use of this symmetry control.
*Illustrative imageLight-Emitting and Laser Devices
The lab has also worked on research aimed at realizing high-performance light-emitting and laser devices using atomically thin layered materials.
MembersFaculty
The Pu Lab consists of faculty and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorJiang PuPublications ↗
- Assistant ProfessorHao OuPublications ↗
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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Kagawa LabSchool of Science, Department of PhysicsNonequilibrium physics, quantum matter, and phase controlThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
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: “MoS2” Askar.syrlybekov / CC BY-SA 4.0 (cropped)
- Stacked Two-Dimensional Materials: “Atomic scale moire patterns ( )” National Institute of Standards and Technology / Public domain (cropped)
- Electrolyte-Gated Devices: “Ionic Liquid ( )” National Institute of Standards and Technology / Public domain (cropped)
- Controlling Symmetry with Strain: “Neon atoms between graphene sheets ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Light-Emitting and Laser Devices: “LASER” 彭嘉傑 / CC BY 2.5 (cropped)
- Related lab (松尾研究室): “Dilution Refrigerator ( )” UCL Mathematical & Physical Sciences from London, UK / CC BY 2.0 (cropped)
- Related lab (藤澤研究室): “Dilution Fridge 008 16K” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (中村研究室): “RIKEN Superconducting Ring Cyclotron P4213478” Kestrel / CC BY-SA 4.0 (cropped)
- Related lab (賀川研究室): “Meissner effect p1390048” Mai-Linh Doan / CC BY-SA 3.0 (cropped)
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