Associate Professor Makoto Kohda, Doctoral Student Yoji Kunihashi, and Professor Junsaku Nitta of Graduate School of Engineering, Tohoku University, in cooperation with a research group at Universität Regensburg (Germany), became the first in the world to successfully create a suppression of spin relaxation due to unidirectional effective magnetic field (persistent spin helix state) using the semiconductor based transistor structure.

More information (Japanese)

[Contact]

Associate Professor Makoto Kohda

Laboratory of Materials Quantum Science

Graduate School of Engineering, Tohoku University

Address: 6-6-2 Aoba Aramaki Aoba-ku Sendai, Miyagi, 980-8579, Japan

TEL: +81-22-795-7317, Fax：+81-22-795-7317

E-mail：makoto*material.tohoku.ac.jp (Replace * with @)

Public Relations Office

Graduate School of Engineering, Tohoku University

Address: 6-6 Aoba Aramaki Aoba-ku Sendai, Miyagi, 980-8579, Japan

TEL: +81-22-795-5898, Fax：+81-22-795-5898

E-mail: eng-pr*eng.tohoku.ac.jp (Replace * with @)