Ảnh hưởng của độ chặt kết nối giao diện lên quá trình khử từ cho cấu trúc ba lớp FePt/α-Fe/FePt theo phương pháp định hướng
Tóm tắt
Từ khóa
#Giao diện #Kết nối trao đổi #Đảo ngược từ hóa #Trường hạt nhân #Từ hóaTài liệu tham khảo
Kneller E F, Hawig R. Exchange-spring magnet: a new material principle for permanent magnets. IEEE Trans Magn, 1991, 27: 3588–3560
Leineweber T, Kronmüller H J. Micromagnetic examination of exchange coupled ferromagnetic nanolayers. J Magn Magn Mater, 1997, 176: 145–154
Goll D, Macke S, Kronmüller H. Exchange coupled composite layers for magnetic recording. Physica B, 2008, 403: 338–341
Han G B, Gao R W, Fu S, et al. Effective anisotropy between magnetically soft and hard grains in nanocomposite magnets. Appl Phys A, 2005, 81: 579–582
Kronmüller H, Goll D. Pinning of domain walls in composite particles. Physica B, 2008, 403: 237–241
Zhao G P, Wang X L. Nucleation, pinning, and coercivity in magnetic nanosystem: An analytical micromagnetic approach. Phys Rev B, 2006, 74: 012409
Zhao G P, Zhao M G, Lim H S, et al. From nucleation to coercivity. Appl Phys Lett, 2005, 87: 162513
Zhao G P, Wang X L, Feng Y P, et al. Coherent Rotation and Effective Anisotropy. IEEE Trans Magn, 2007, 43: 2908–2910
Takahashia Y K, Seki T O, Hono K, et al. Microstructure and magnetic properties of FePt and Fe/FePt polycrystalline films with high coercivity. J Appl Phys, 2004, 96: 475–481
Zhao G Z, Chen B S, Gu Y X. Control-structural design optimization for vibration of piezoelectric intelligent truss structures. Struct Multidiscip Optim, 2009, 37: 509–519
Stoner E C, Wohlfarth E P. A mechanism of magnetic hysteresis in heterogeneous alloys. Phil Trans R Soc A, 1948, 240: 599–642
Asti G, Ghidini M, Pellicelli R, et al. Magnetic phase diagram and demagnetization process in perpendicular exchange-coupling multilayers. Phys Rev B, 2006, 73: 094406
Brown Jr W F. Virtues and weaknesses of the domain concept. Rev Mod Phys, 1945, 17: 15–19
Guslienko K Y, Chubykalo-Fesenko O, Mryasov O, et al. Magnetization reversal via perpendicular exchange spring in FePt/FeRh bilayer films. Phys Rev B, 2004, 70: 104405
Zhao G P, Chen L, Huang C W, et al. Evolution of domain walls and reversal mechanism in exchange-coupled. J Magn Magn Mater, 2009, 321: 2322–2326
Zhao G P, Xian C W, Yang C, et al. Analysis of the nucleation in hard/soft magnetic multilayers (in Chinese). Sci China Ser G-Phys Mech Astron, 2009, 39: 1728–1735
Xian C W, Zhao G P, Zhang Q X, et al. Magnetization reversal of perpendicularly orientated Nd2Fe14B/α-Fe trilayer (in Chinese). Acta Phys Sin, 2009, 58: 3509–3514
