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Uchida Lab
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The lab makes high-quality thin films to explore new quantum phases of electrons.
AboutAbout the lab
From epitaxy technology to a stage for new quantum phases
The Uchida Lab conducts research in condensed matter physics, studying the properties that electrons exhibit in solids.
Using a method called molecular beam epitaxy, the lab fabricates very high-quality thin films of topological materials and strongly correlated materials, as well as artificial layered structures.
Using the films it makes, the lab explores the principles of quantum phenomena that appear in how electric current flows (quantum transport).
Each year, lab information sessions and lab visits are planned both for undergraduate students and for prospective graduate students.
Key terms
- Molecular beam epitaxy
- A method of making crystalline thin films by evaporating source materials in a vacuum and spraying them onto a substrate, stacking layers of atoms one on another
- Hall effect
- A phenomenon in which applying a magnetic field to a material carrying electric current produces a voltage perpendicular to the current
- Topological materials
- Materials whose electronic states are characterized by a mathematical property called topology and which show unusual ways of conducting electricity
NewsLab news
A paper was published revealing a response that depends on the third power of the magnetic field in the in-plane anomalous Hall effect
A master's student received a Poster Award at the "Asymmetry Quantum" area meeting
The lab's then Assistant Professor received the School of Science Early-Career Researcher Encouragement Award
A paper clarifying the presence or absence of antiferromagnetic order in RuO2 was published (international collaboration)
A master's student received the Outstanding Master's Thesis Award of the Physics Program
ResearchResearch themes
The lab fabricates thin films and artificial heterostructures of topological and strongly correlated materials by molecular beam epitaxy. Using them, it studies quantum transport such as anomalous Hall response, quantum Hall states, and exotic superconductivity.
*Illustrative imageHall effect induced by an in-plane magnetic field
The Hall effect has been thought to be proportional to the magnetic field or magnetization perpendicular to the plane. The lab has observed an anomalous Hall effect induced by an in-plane magnetic field and, using this as a clue, is exploring and elucidating new transport responses.
*Illustrative imageQuantum geometry and magnetotransport
In semimetals such as Weyl semimetals, quantum geometric effects, typified by the Berry curvature, are thought to strongly influence how electric current flows. Using high-quality thin films, the lab investigates how these effects appear in Hall resistance and magnetoresistance.
*Illustrative imageSuperconductivity that appears in thin films
Even materials that normally behave as metals or insulators can become superconducting when made into thin films and subjected to strong strain from the substrate. The lab studies the symmetry of that superconductivity in thin films of ruthenium oxide.
*Illustrative imageQuantum Hall states in a topological semimetal
The lab has succeeded in fabricating very high-quality thin films of cadmium arsenide, a topological semimetal. By finely varying conditions through voltage and element substitution, it is working to elucidate characteristic transport states such as the quantum Hall effect.
MembersFaculty
The members of the Uchida Lab are faculty, doctoral, master's, and undergraduate students, international exchange students, and administrative assistants.As of 2026
- Associate ProfessorMasaki UchidaPublications ↗
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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: “Molecular Beam Epitaxy System” SJMW1987 / CC BY 4.0 (cropped)
- Hall effect induced by an in-plane magnetic field: “Leybold Hall Effect Apparatus (Silver)” Panoga / CC BY-SA 4.0 (cropped)
- Quantum geometry and magnetotransport: “Tilted dirac cones” QMartist / CC BY-SA 4.0 (cropped)
- Superconductivity that appears in thin films: “Ruthenium(IV)-oxide-unit-cell-3D-vdW” CCoil (talk) / CC BY 3.0 (cropped)
- Quantum Hall states in a topological semimetal: “Cd3As2 structure” Andif1 / CC BY-SA 4.0 (cropped)
- Related lab (村上研究室): “Horseshoe Magnetic Filings (Flipped 180)” Noguarde / CC BY-SA 4.0 (cropped)
- Related lab (藤澤研究室): “Dilution Fridge 008 16K” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (花井研究室): “A starling murmuration - geograph.org.uk - 6389346” Walter Baxter / CC BY-SA 2.0 (cropped)
- Related lab (西田研究室): “Bose-Einstein Condensate ( )” National Institute of Standards and Technology / Public domain (cropped)
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