In this laboratory, we study the quantum phenomena occurring at low temperatures in superconducting and magnetic materials. The current research interests are the control of superconductivity by modifying the carrier or spin concentration and the understanding of the mixed-state properties in high & low Tc superconductors, and the exploration of the ground states of electrons in cerium-based-compounds and ferromagnetic nano-granular films near absolute zero temperature. Transport and thermodynamic properties of the samples in the form of thin films, multilayer devices and substituted single crystals are investigated in the wide range of temperature and magnetic field. |
Assoc. Prof. Assist. Prof. |
Superconductor - insulator transition observed in a high-Tc superconductor film, which is caused by electrostatic carrier doping using an electric double layer transistor configuration.
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The hand-made 3He cryostat, which enables us to measure the DC magnetization at temperatures below 300 mK using the Faraday method. |
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