The potential of next-generation quantum devices realized with organic materials.
Monozukuri (Saitama University Research Seed Collection 2025-27 p.40)
Keywords: organic conductors, quantum spin liquids, superconductivity
Organic materials, such as plastics, are ubiquitous in our surroundings, but they typically do not conduct electricity. However, in the past 50 years, rapid advancements in material development have established the field of organic electronics, making these materials, which excel in flexibility and lightweight properties, essential to modern society. In my research, I focus on using organic materials not only to conduct electricity but also to explore phenomena that are difficult to understand within traditional physics, such as materials that exhibit zero electrical resistance known as superconductors, quantum spin liquids, charge glasses, and Dirac electron systems. These properties are believed to involve electron correlations and characteristic electronic structures, harboring unknown physics, with potential applications in next-generation technologies like quantum computers and energy-efficient devices. In my regular research, I combine molecular synthesis techniques with precise physical property measurement techniques, advancing research with innovative ideas at the boundary of chemistry and physics that have not been explored before, in order to discover organic materials that surpass conventional performance and new physical phenomena.
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Takuya Kobayashi, Assistant Professor Graduate School of Science and Engineering, Department of Materials Science, Fundamental Materials Area 【Recent Research Themes】 ● Study of the physical properties of organic conductors under ultra-high pressure ● Elucidation of the superconducting mechanism of organic conductors and development of new superconductors ● Understanding the glassy state of charge exhibited by electrons in solids ● Pressure control of quantum spin liquid states ● Microscopic measurements such as nuclear magnetic resonance and muon spin rotation and relaxation methods in organic conductors
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【Appeal Points to the Industry】 ● Development of high-purity single crystal organic materials that can serve as the foundation for next-generation quantum devices ● Single crystal structure analysis under 10 GPa pressure using a diamond anvil cell, an unprecedented approach for organic materials ● Solid-state nuclear magnetic resonance measurements using multi-nuclei such as copper and gallium ● Synthesis of selenium-containing organic molecules 【Examples of Practical Applications, Use Cases, and Utilization】 ● Development of novel superconductors and topological materials ● Candidate materials for quantum computers ● Development of spintronic device materials using organic materials ● Development of low-power consumption device materials
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Single crystal structure analysis under ultra-high pressure
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.