[7p-PB7-1~56] 10 スピントロニクス・マグネティクス（ポスター）

▼ [7p-PB7-32] Observation of Pulse Laser-Induced Propagating Spin Wave in Magnetic Metal /Heavy Metal Layered Structures

〇(DC)Akira Kamimaki^1,2、Yuta Sasaki^1,2、Satoshi Iihama³、Kazuya Suzui¹、Shigemi Mizukami¹ (1.AIMR, Tohoku Univ.、2.Tohoku Univ.、3.AIST)

キーワード：Spin Orbit Interaction (SOI), Spin Wave (SW), All-Optical Pump-Probe Technique

Spin-orbit interaction (SOI) for magnetic metal and heavy metal layered structures is one of the most important topic in the field of current spintronics. In particular, presence of interfacial D’zyaloshinsky- Moriya interaction (i-DMI) is recognized by recent studys of magnetization dynamics, such as domain-wall motion and propagating spin wave (PSW). Previously, we have demonstrated that all-optical space-and-time resolved magneto-optical Kerr effect (STR-MOKE) microscopy is suitable for characterization of PSW in metals. In this study, we examined whether PSW can be observed in such layered structures with strong SOI using all-optical STR-MOKE technique.This will be a first step to explore the various SOI-related effects on the laser-induced spin-wave emission and propagation in metals.