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Okayama Univ. Faculty of Science Dept. of Chemistry Research Laboratory for Surface Science RCNF

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2000-2014
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Research in Kubozono Lab.
1. Fabrication and characterization of new types of molecular superconductors
2. Fabrication and characterization of light element superconductors
3. Fabrication and characterization of FeSeTe related superconductors
4. Electrostatic carrier control in two-dimensional inorganic materials and topological insulators
5. Electronic devices (transistor and solar cell) based on organic molecules
6. Electrostatic carrier control in graphene and related materials
7. Nanoscale science in light element materials
Research activity (-2012)

 Molecular Interface Division (Kubozono group) in Research Laboratory for Surface Science consists of 13 group members (4 academic staffs, 1 secretary, 1 technical staff and 7 students (2 Ph.D. candidates, 3 MC students and 2 undergraduate students). The group aims for building up new physics and chemistry based on various novel materials. We are investigating on syntheses of new types of molecular and light element superconductors by using various chemical techniques. The final target of this research is to make high-Tc superconductors. Further the group is working on syntheses of new FeSeTe related materials and production of superconductivity by new technique. Recently, electrostatic carrier doping attracts much attention because both types of carriers (electron and hole) can be introduced into the materials without any additional perturbation such as structural change, leading to emergence of novel physical properties. We are applying this technique to two-dimensional inorganic materials and topological insulators as well as organic molecules. This technique can also lead to a realization of future practical transistors. Actually, we have already fabricated high-performance organic thin film and single crystal field-effect transistors which exhibit the field-effect mobility more than 7 cm2 V-1 s-1, suggestive of possible application of organic molecules toward future multi-functional electronics. Also we are working in graphene world where relativistic quantum mechanics plays an important role.