Title :
In-situ observation of domain wall pinning in Sm(Co, Fe, Cu, Zr)z magnet by Lorentz microscopy
Author :
Tian, Y. ; Liu, Z. ; Xia, W. ; Xu, H. ; Du, J. ; Zhang, J. ; Yan, A. ; Liu, J.
Author_Institution :
Ningbo Inst. of Mater. Technol. & Eng., Ningbo, China
Abstract :
The pinning mechanism of Sm2Co17-type magnet is investigated in this study by dynamic observation of domain wall motion using high resolution Lorentz transmission electron microscopy (TEM). The hysteresis loops, remanence, coercivity, and microstructures of the samples are observed.
Keywords :
cobalt alloys; coercive force; copper alloys; crystal microstructure; iron alloys; magnetic domain walls; magnetic hysteresis; remanence; samarium alloys; transmission electron microscopy; zirconium alloys; SmCoFeCuZr; TEM; coercivity; domain wall motion; domain wall pinning; high-resolution Lorentz transmission electron microscopy; hysteresis loops; microstructures; remanence; Coercive force; Lenses; Magnetic domain walls; Magnetic domains; Magnetic fields; Magnetic hysteresis; Microstructure;
Conference_Titel :
Magnetics Conference (INTERMAG), 2015 IEEE
Conference_Location :
Beijing
Print_ISBN :
978-1-4799-7321-7
DOI :
10.1109/INTMAG.2015.7157025
