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Dr. Zhao's Research
Group
Research Interests My research interests include studying novel materials exhibiting extraordinary superconducting, magnetoresistive, ferroelectric, optical, and magnetic properties. These novel materials include high-temperature superconducting cuprates, colossal magnetoresistive manganites, ferroelectric and photorefractive barium titanates, and quasi-one-dimensional carbon nanotubes. I am particularly interested in unconventional oxygen-isotope effects on electrical, magnetic, and thermal properties of the provskite oxides to clarify the roles of electron-phonon interactions in the microscopic origins of high-temperature superconductivity in cuprates, the colossal magneteoresistance in manganites, and the unusual photorefractive effect in barium titanates. I am also interested in theoretical studies of the pairing interactions and gap symmetry in cuprates to provide essential constraints on the microscopic theory of high-temperature superconductivity. My current experimental research focuses on novel magnetic properties of carbon nanotubes up to 1200 K to search for ultra-high temperature superconductivity.
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