[Junji Tominaga] Innovation of two-dimensional multiferroic functional device utilizing the topological phase transition of the chalcogen compounds and its superlattices


Research Director

Junji Tominaga

Junji Tominaga

Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
Prime Senior Scientist


Outline

In this project, we focus on the innovation of multiferroic functional devices utilizing topological phase transition, which is induced not only by external magnetic field but also electric field, in chalcogen compounds and its superlattices. Especially among them, by applying a locked electron-spin state, which has been discovered in germanium-telluride/antimony-telluride chalcogen-superlattices at room temperature, we develop innovative electronic and optical devices operating by an ultra-low power energy.

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