URATA-Takahiro

URATA Takahiro
Title Associate Professor
Department Department of Electrical, Electronic and Computer Engineering
Course Electrical and Electronic Course

Research fields

Our aim is to explore novel electronic and magnetic materials exhibiting unprecedented properties and to understand their underlying mechanisms.

Our research methodology involves a comprehensive workflow, i.e., sample synthesis, characterization, physical property measurements, and analysis. Among them, we place particular emphasis on the growth of single-crystal samples.

Here, we introduce our current main research topic: magnetic materials with special symmetries.

In crystals, atoms are arranged in a regular pattern, and this arrangement can be classified by symmetry. For example, the ionic arrangement in a NaCl crystal forms a cubic lattice, which has symmetry with respect to a 120-degree rotation about its diagonal axes. Meanwhile, the electron spin that causes magnetism is a type of angular momentum. To describe its symmetry, the concept of time reversal is also needed. Thus, both spatial and temporal operations must be considered when discussing the symmetry of magnetic materials.

Recently, new perspectives on this complex symmetry has been introduced and has attracted much attention. It has been shown that, under specific conditions, magnetic materials can show unique responses to external stimuli such as electric fields, magnetic fields, or pressure. Our research aims to discover and study materials that display such behavior.

Research Keywords

Condensed matter physics, Electronic and magnetic materials, Crystal growth

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