Lorentz Microscopy of Micron- and Sub-micron Sized Magnetic Elements

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概要

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• Lorentz microscopy in a transmission electron microscope (TEM) is established as a very powerful technique to visualise the domain processes in magnetic materials. It is particularly appropriate for thin films, which can often be grown on electron transparent substrates and viewed in the TEM without further sample preparation. In this paper we review the techniques of magnetic imaging and their use for the study of small magnetic elements. The move towards greater density of information storage means thin film heads for tape and disk recording are becoming smaller and there are also potential new devices such as patterned recording media, spin-valve sensors and magnetic random access memory cells (MRAMs). The complexity of micromagnetic systems makes it difficult to predict the behaviour of even geometrically simple structures when their size is reduced and since the properties of magnetic devices are a direct result of domain processes occuring at a microscopic level, detailed knowledge of the mechanisms of reversal is important in order to assess how performance can be improved.

• 社団法人日本磁気学会の論文
• 1997-07-01

著者

• Chapman J.

  Department of Physics and Astronomy, Univ. of Glasgow

• Kirk K.

  Department Of Physics And Astronomy University Of Glasgow

• Chapman J.

  Department Of Physics And Astronomy University Of Glasgow

• Chapman J.

  Department Of Physics And Astronomy Univ. Of Glasgow

• Kirk K.

  Department Of Biostatistics School Of Public Health University Of Alabama At Birmingham

• Kirk Katherine

  Department of Physics and Astronomy, University of Glasgow

• Chapman John

  Department of Physics and Astronomy, University of Glasgow

関連論文

• Magnetic Nanostructures Patterned by Focused Ion Beam in an ultrathin Pt/Co/Pt film
• Lorentz Microscopy of Micron- and Sub-micron Sized Magnetic Elements
• Humans Immunized with Streptococcus mutans Antigens by Mucosal Routes

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