Gilbert damping constants of Ta/CoFeB/MgO(Ta) thin films measured by optical detection of precessional magnetization dynamics

Satoshi Iihama; Shigemi Mizukami; Hiroshi Naganuma; Mikihiko Oogane; Yasuo Ando; T. Miyazaki

doi:10.1103/physrevb.89.174416

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Gilbert damping constants of Ta/CoFeB/MgO(Ta) thin films measured by optical detection of precessional magnetization dynamics

Satoshi Iihama Shigemi Mizukami Hiroshi Naganuma Mikihiko Oogane Yasuo Ando T. Miyazaki

Year: 2014 Journal: Physical Review B Vol: 89 (17) Publisher: American Physical Society

DOI: 10.1103/physrevb.89.174416

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Abstract

The authors present a comparative study of magnetization dynamics in Ta/CoFeB/MgO and Ta/CoFeB/Ta tunnel junctions using time-resolved magneto-optical Kerr effect. CoFeB/MgO magnetic tunnel junctions have recently received significant attention as candidates for spintronics applications.

Keywords:

Magnetization dynamics Materials science Spintronics Condensed matter physics Magneto-optic Kerr effect Kerr effect Magnetization Tunnel magnetoresistance Thin film Magnetization reversal Magnetic anisotropy Ferromagnetism Nanotechnology Magnetic field Physics Nonlinear system Quantum mechanics

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Magnetic properties of thin films

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Magneto-Optical Properties and Applications

Physical Sciences → Engineering → Electrical and Electronic Engineering

Surface and Thin Film Phenomena

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Gilbert damping constants of Ta/CoFeB/MgO(Ta) thin films measured by optical detection of precessional magnetization dynamics

Abstract

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