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内容説明 Introduction to Magnetic Materials， 2nd Edition covers the basics of magnetic quantities， magnetic devices， and materials used in practice. While retaining much of the original， this revision now covers SQUID and alternating gradient magnetometers， magnetic force microscope， Kerr effect， amorphous alloys， rare-earth magnets， SI Units alongside cgs units， and other up-to-date topics. In addition， the authors have added an entirely new chapter on information materials. The text presents materials at the practical rather than theoretical level， allowing for a physical， quantitative， measurement-based understanding of magnetism among readers， be they professional engineers or graduate-level students.