NDLI: Surface magnetic ripples induced by a local magnetic field from a scanning magnetic tip

Content Provider	IEEE Xplore Digital Library
Author	Wu, H.-I. Ji-Shiuan Chen Yuan-Ron Ma Liou, Y. Yeong Der Yao
Copyright Year	1965
Abstract	When demagnetized La /sub 1-x/Sr/sub x/MnO/sub 3/ (LSMO) thin films are magnetized by a local magnetic field from a scanning magnetic tip without an external magnetic field, a magnetic ripple pattern appears on the LSMO surface. The magnetic ripple pattern, consisting of magnetic ripples with varying magnetic periods, is different from the conventional pattern magnetized by an external field. The magnetic ripples with longer magnetic periods have a larger magnitude of magnetic moment. However, the magnitude of the remanent magnetization induced by the magnetic force microscopy (MFM) tip is close to that induced by the external field. Since the MFM images of the magnetic ripples with varying periods can be converted to inverse images and spectra by a fast Fourier transformation (FFT), the inverse FFT images and spectra are also used to probe the magnitude of magnetic moment of the periodic magnetic ripples.
Sponsorship	IEEE Magnetics Society
Starting Page	3748
Ending Page	3750
Page Count	3
File Size	311047
File Format	PDF
ISSN	00189464
Volume Number	41
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic fields Magnetic force microscopy Magnetic moments Demagnetization Strontium Magnetic films Magnetization Magnetic forces Image converters Probes magnetic ripple Fast Fourier transformation (FFT) La magnetic force microscopy (MFM)
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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