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Magnetic Domain Structure Analysis of Nd Fe B Sintered Magnets Using XMCD PEEM Technique

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Figure

Fig. 2Sample preparation of Nd-Fe-B magnets for measurements ofmagnetic hysteresis and XMCD-PEEM; (a) Powder metallurgical proc-essing for Nd-Fe-B sintered magnets, (b) Cutting direction of sinteredmagnets.
Fig. 4Structures of magnetic domains and complementary phases of Nd-Fe-B sintered magnet in thermally demagnetized state; (a) FE-SEM image and phases identified by EDS, (b) PEEM image of Nd-M4 (ID1:h-) within black-circled area in Fig
Fig. 5Structures of magnetic domains and complementary phases of Nd-Fe-B sintered magnet in field-demagnetized state; (a) PEEMimage of Fe-L3 (ID1), (b) XMCD image (SR ? c-axis); arrows: schematic for angular distribution of magnetic-moments among thedomains, (c) Schematic structure, light gray solid line: domain boundaries, dark: complementary phases, (d) MEM image, (e) XMCDimage (SR k c-axis).

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