Author Affiliations

Ikufumi Katayama,¹ Sho Koga,² Toru Shimada,³ Keiko Kato,^4,* Shunichi Hishita,⁴ Daisuke Fujita,⁴ Jun Takeda,² and Masahiro Kitajima^5,†

¹Interdisciplinary Research Center, Yokohama National University, Yokohama 240-8501, Japan

²Graduate School of Engineering, Yokohama National University, Yokohama 240-8501, Japan

³Free University of Berlin, Berlin 14195, Germany

⁴National Institute of Materials Science, Tsukuba 305-0047, Japan

⁵National Defense Academy, Yokosuka 239-8686, Japan

^*present affiliation: NTT Basic Research Laboratories, Atsugi 243-0198, Japan

^† kitaji@nda.ac.jp