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Our laboratory primarily focuses on two-dimensional layered materials, such as molybdenum disulfide (MoS2), with the core of our research being the elucidation of the correlation between their atomic structure and electrical properties.

The foundation of our research is extreme measurements at the single-atom and molecular level using scanning tunneling microscopes (STMs). We precisely evaluate the influence of defects and edge structures in two-dimensional crystals on the conductivity characteristics of field-effect transistors (FETs), deriving design guidelines for next-generation devices. Furthermore, we are applying this knowledge to develop highly sensitive and selective molecular detection elements that maximize interactions at atomic layer interfaces.

In addition, we are striving to construct new scientific principles for freely manipulating chemical reactions by controlling the adsorption behavior and diffusion motion of incident molecules on the surface at the nanoscale. By controlling the behavior of individual atoms and molecules, we aim to create innovative nanotechnology that supports society, from low-power devices to highly efficient catalytic reaction processes.

 

Research Topics:

1. Surface atomic structure analysis and extreme measurement of electronic states using STM
2. Correlation elucidation of atomic structure and carrier transport properties in two-dimensional layered materials such as MoS2
3. Photoresponsive, high-precision molecular sensing using atomic layer thin films
4. Nanoscale manipulation of surface chemical reactions based on molecular adsorption behavior and motion control

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