Magneto-optic observation of domain motions and instabilities in small permalloy elements

• Published in: IEEE transactions on magnetics Vol. 22; no. 5; pp. 772 - 774
• Main Authors: Herman, D., Argyle, B.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: New York, NY IEEE 01.09.1986; Institute of Electrical and Electronics Engineers
• Subjects: Analysing. Testing. Standards; Applied sciences; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Magnetic domain walls; Magnetic fields; Magnetic films; Magnetic force microscopy; Magnetic properties and materials; Magnetic properties of surface, thin films and multilayers; Magnetooptic effects; Materials science; Measurement of properties and materials state; Metals, semimetals and alloys; Metals. Metallurgy; Nondestructive testing; Optical detectors; Optical films; Optical microscopy; Optical polarization; Physics; Real time systems; Specific materials; Magnetooptical effect; Transition metal Alloys; Magnetic domains; Magnetic domain; Experimental study; Domain wall; Magnetic field; Thin film

Domain wall networks, their motions and transformations are studied in response to changing magnetic fields (≤ 30 Hz) in small, rectangular, easy-axis and hard-axis stripes of Permalloy film (375Å). Many of the effects reported previously using Bitter solution or Lorentz techniques are now seen opti...