[11a-Z08-1~9] 10.1 Emerging materials in spintronics and magnetics (including fabrication and charactrization methodologies)

▲ [11a-Z08-9] Formation of ordered phase of CoPt with self-similar fractal-like voids on Al₂O₃(0001) substrates

〇Ryo Toyama¹, Shiro Kawachi^2,3, Jun-ichi Yamaura^2,3, Youichi Murakami^2,3, Hideo Hosono², Yutaka Majima^1,2 (1.MSL, Tokyo Tech, 2.MCES, Tokyo Tech, 3.IMSS, KEK)

Keywords:CoPt, ordered phase, fractal

We report the formation of ordered phase of CoPt in (Co/Pt)₄ multilayer thin films with a Ti underlayer on single-crystal Al₂O₃(0001) substrates by rapid thermal annealing (RTA).