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Complex oxides are fascinating systems which host a vast array of unique phenomena, such as high-temperature (and unconventional) superconductivity, "colossal" magnetoresistance, all forms of magnetism and ferroelectricity, as well as (quantum) phase transitions and couplings between these states.
In recent years, there has been a mini-revolution in our ability to grow thin film heterostructures of these materials with atomic precision. With this level of control, a number of new electronic phases have been discovered at their interfaces. Between two insulators, for example, metallic, superconducting, and mag-netic states can be induced. In analogy to the rich science and technology that emerged from the development of semicon-ductor heterostructures, we are using these techniques to create novel low-dimensional states inaccessible in bulk oxides.
Prof. Dr. Harold Y. Hwang (University of Tokyo, Department of Advanced Materials & Department of Applied Physics)