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Materials Control Lab
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The lab remakes the surfaces of materials using solutions and the power of electricity.
AboutAbout the lab
Creating material surfaces with solutions and electricity.
The Materials Control Lab studies processes that give the surfaces and interfaces of materials new functions, using the power of electrochemistry in solutions.
Most materials are made of a combination of two or more substances, and their surfaces and interfaces determine how they function.
Based on the electrochemistry of aqueous solutions, ionic liquids, and organic solvents, as well as solution chemistry and chemical thermodynamics, the lab works from fundamentals to applications in areas such as plating, metal extraction, and batteries.
Key terms
- Electrodeposition
- Passing electricity through a solution to deposit dissolved metal or other species as a solid on an electrode surface. Plating is one example
- Hydrometallurgy
- A method of extracting metals from ores and other sources using aqueous solutions. It can be carried out at ordinary temperature and pressure
- Ionic liquid
- A substance made up only of cations and anions that is liquid even near room temperature. It is hard to burn and hardly evaporates
NewsLab news
A master's student received the 32nd Academic Encouragement Presentation Award at the lecture meeting of the Surface Finishing Society of Japan
A master's student received an Excellent Presentation Award at the research presentation meeting of the Kansai Branch of the Mining and Materials Processing Institute of Japan
A master's student received an Excellent Lecture Award at the 27th Kansai Surface Technology Forum
ResearchResearch themes
Based on the electrochemistry of aqueous and non-aqueous systems (ionic liquids and organic solvents), solution chemistry, and chemical thermodynamics, the lab studies wet processes that functionalize a variety of surfaces and interfaces, from fundamentals to applications.
*Illustrative imageThin-film fabrication from aqueous solutions and thermodynamics
The lab studies electrodeposition and electroplating of alloys and semiconductors. It uses analysis of chemical species in solution and potential–pH diagrams to understand and control electrolysis conditions thermodynamically, and also works on designing new plating baths containing concentrated metal salts.
*Illustrative imageMaking hydrometallurgy more efficient
Hydrometallurgy, which extracts metals using aqueous solutions, is environmentally friendly because it works at ordinary temperature and pressure, and it is expected to serve as a recycling method. The lab is conducting joint research with smelting companies on a new copper electrowinning method and on making copper electrorefining more efficient.
*Illustrative imageGiving surfaces functions with ionic liquids
Using ionic liquids and deep eutectic solvents as electrolytes, the lab makes thin films of metals that cannot be reduced in aqueous solutions, as well as alloy thin films at intermediate temperatures. It also searches for novel ionic liquids and evaluates their properties.
*Illustrative imageThermodynamics for recovering precious metals
Associate Professor Hatada studies thermodynamic data used to design processes for recovering precious metals. The work investigates problems in the data for platinum and palladium chlorides, for example by measuring the partial pressure of chlorine over palladium chloride.
MembersFaculty
The members of the Materials Control Lab consist of faculty, researchers, doctoral students, master's students, and fourth-year undergraduate students, among others (fiscal year 2026).
- ProfessorKuniaki Murase
- Associate ProfessorNaoyuki Hatada
- Assistant ProfessorKiho Nishioka
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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: “INSPIRATION CONSOLIDATED COPPER CO.'S ELECTROWINNING REFINING PLANT. PART OF ARIZONA'S EXTENSIVE COPPER INDUSTRY - NARA - 544018” Cornelius M. Keyes / Public domain (cropped)
- Thin-film fabrication from aqueous solutions and thermodynamics: “Au-cil-extraction-greek” Metallos at Greek Wikipedia / CC BY-SA 3.0 gr (cropped)
- Making hydrometallurgy more efficient: “INSPIRATON CONSOLIDATED COPPER CO.'S ELECTROWINNING REFINING PLANT. PART OF ARIZONA'S EXTENSIVE COPPER INDUSTRY - NARA - 544026” Cornelius M. Keyes / Public domain (cropped)
- Giving surfaces functions with ionic liquids: “Water droplet lying on a damask” Petar Milošević / CC BY-SA 4.0 (cropped)
- Thermodynamics for recovering precious metals: “Gold nugget (Australia) )” James St. John / CC BY 2.0 (cropped)
- Related lab (Physics of Magnetism Lab): “Metal shavings around bar magnet (close-up)” Maciej J. Mrowinski / CC BY-SA 4.0 (cropped)
- Related lab (Advanced Materials Physics Lab): “Scanning tunneling microscope-MHS 2237-IMG 3819” Rama / CC BY-SA 3.0 fr (cropped)
- Related lab (Materials Design Engineering Lab): “Stone Flower (Кам’яна квітка)” Яна Сычикова, Сергей Ковачев / CC BY-SA 4.0 (cropped)
- Related lab (Crystal Physics and Engineering Lab): “Plastic Stress Versus Strain” Mikeviti6 / CC BY-SA 4.0 (cropped)
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