Coordination Chemistry on multinuclear metal complexes: Design and syntheses of multifunctional metal complexes.
Physical chemistry of structure and properties of molecular aggregates (soft matter, organic/low-dimensional conductors, molecular dynamics in crystal and phase transitions).
Theory on quantum transport and non-equilibrium dynamics in semiconductor nanostructures. Quantum coherence in a hybrid system and possible application to quantum computing.
Design and synthesis of functional organic compounds, organic and inorganic hybrid supramolecular complexes and molecular assemblies, and biofunctional host molecules.
Strongly-correlated physics: Development of energy and environmental material (Lithium-ion secondary battery, Sodium-ion secondary battery, Organic photovoltaic, thermoelectronic material) from the view point of physics, Our lab. develops the material, evaluates and analyzes the material with use of quantum beam, and make a trial device.
Electronic structure theory. Computational material science. To reveal and predict the electronic and geometric structures of new carbon related materials based on the quantum theoretical approaches. Theoretical prediction of electronic properties of nano-scale structures on surfaces and interfaces.
Solid state physics of many-electron systems in semiconductor nanostructures by spectroscopic methods in high magnetic fields at low temperatures.
Studies on molecular dynamics and phase transitions of molecular aggregates and inorganic materials.
Theory on quantum transport and non-equilibrium dynamics in semiconductor nanostructures. Quantum coherence in a hybrid system and possible application to quantum computing.
Study on novel physical properties of strongly correlated electron system and their application for innovative next-generation devices.
Studies on syntheses of low dimensional magnetic systems with specific quantum physical properties and multifunctionality of molecular assemblies.
Studies on the self-assemble mechanism of soft materials such as amphiphilic molecules.
Synthesis and properties of functional organic compounds such as photochromic compounds, artifical nucleic acids, and host molecules.
Precise construction of supramolecular systems and exploration of their function. Research on supramolecular metal complexes utilizing organic ligands and metal ions.
Theoretical research to clarify the dynamics of chemical reaction and electronic states in atomic scale using first-principles electronic states calculations and molecular dynamics simulations aiming for the design of emerging materials.
Theoretical study of ultracold atomic gases. Numerical analyses on quantum phase transitions and nonadiabatic dynamics of ultracold atoms trapped in optical lattices. Application of atoms to the quantum information.
Study on optical properties in semiconductor nanostructures with lasers and high-spatial resolution spectroscopy. Optical physics of electrons, excitons and spins. Those applications to quantum and novel devices.
Design and synthesis of functional pi-conjugated organic materials. Application of organic materials for molecular photovoltaic devices.
Development of new photochemical and laser-induced reactions. Application of photochemical reactions to the development of environmentally-benign processes and materials.
The group aims to develop functional crystal materials in the field of energy and environmental technologies. These techniques are applied to the fabrication of energy conversion system and the production of rechargeable lithium-ion battery materials.
Design and synthesis of functional pi-conjugated organic materials. Application of organic materials for molecular photovoltaic devices.
Characterization of electrical, optical, and spin properties of semiconductor quantum nanostructures, and study on spin coherence in semiconductor nanostructures and its application to quantum information technology and low power consumption technology.
Experimental studies on spin-related new functionalities of semiconductors and their nanostructures. In particular, we are searching for room-temperature ferromagnetism in magnetic semiconductors and application for `spintronics'.
Simulation and theoretical study of electron transport under nanoscale semiconductor device structures, and their device simulations and modeling.
Thin-film crystalline solar cells using Si-based semiconductor BaSi2, Arsen-free infrared photodetectors using semiconducting β-FeSi2, and spin sources using ferromagnetic Fe3Si and γ'-Fe4N.
Development of micro total analysis systems and Labs-on-a-Chip with integrated microfluidic and sensing functions for clinical, environmental, and food analyses.
Designing a functional catalysis based on the surface science research at the atomic level for the mechanism (kinetics and dynamics) of the catalytic chemical reaction. Particularly, electrode and support material for the Fuel Cell and surface chemistry at the carbon surface and at the metal nano-cluster surface on graphite.
The application of thermodynamics in silicon semiconductor process and materials.
Nanostructure control. Control of atomic step/atomically flat terrace structures, and research and development of nanotechnology using them.
Research and development of carrier transport phenomena and process technologies in nanoscaled Si devices.
Magnetic resonance spectroscopy on large-scaled integrated circuits and nano-scale devices, and studies on ultra-low-power consumption performances of semiconductor devices from an atomic view point.
Development, characterization, and controls of performance of organic devices using functional organic materials and characterization methods such as transport and electron spin resonance.
Chemical Physics of graphite. Surface science study for developing a substitute material of Pt at the Fuel Cell electrode. Kinetics and dynamics of the catalytic surface chemical reaction by using high pressure reactor, STM, supersonic molecular beam scattering and angle-resolved measurement of the desorbed species.
Dielectric film formation proess and novel nanoscale characterization technique for future generation LSI.
Theoretical study of quantum transport phenomena in nanoscale devices and estimation of properties by device simulations.
We focus on magnetic semiconductors as promising materials for spintronic devices. To realize novel semiconductors with room-temperature ferromagnetism, we fabricate samples by precise crystal growth methods such as molecular beam epitaxy.
Thin-film crystalline solar cells using Si-based semiconductor BaSi2, Arsen-free infrared photodetectors using semiconducting β-FeSi2, and spin sources using ferromagnetic Fe3Si and γ'-Fe4N.
Development of micro total analysis systems and Labs-on-a-Chip with integrated microfluidic and sensing functions for clinical, environmental, and food analyses.