| 研究生: |
吳柏蒼 Wu, Po-Tsang |
|---|---|
| 論文名稱: |
Ni80Fe20/Ir(111)/Ni80Fe20三層膜之磊晶成長與磁耦合研究 Studies of the Epitaxial Growth and Magnetic Coupling of Ni80Fe20/Ir(111)/Ni80Fe20 Trilayers |
| 指導教授: |
黃榮俊
Huang, J. C. A. |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 物理學系 Department of Physics |
| 論文出版年: | 2003 |
| 畢業學年度: | 91 |
| 語文別: | 中文 |
| 論文頁數: | 117 |
| 中文關鍵詞: | 巨磁阻 、交換耦合效應 、三層膜 |
| 外文關鍵詞: | GMR, exchange coupling, sandwich |
| 相關次數: | 點閱:72 下載:1 |
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我們使用分子束磊晶(MBE)成長晶向為fcc(111)的Ni80Fe20/ Ir/ Ni80Fe20三層膜系統來研究其界面之交換耦合行為。我們觀測到在Ni80Fe20/ Ir(tIr Å)/ Ni80Fe20三層膜(tIr = 5~40)產生異常的振盪交換耦合現象,其反鐵磁耦合的極值發生在Ir厚度為7、19、28、40 Å處,而最大的反鐵磁耦合強度在Ir厚度7 Å時為2.32 erg/cm2,但我們發現到其振盪耦合週期長度並不一致,可能與Ir(111)複雜的費米面之延展向量所造成長短週期疊加的結果。
The molecular beam epitaxy (MBE) growth fcc(111) oriented Ni80Fe20/Ir/ Ni80Fe20 trilayers were prepared to study the interlayer exchange coupling. We found that Ni80Fe20/Ir (tIr Å)/ Ni80Fe20 (tIr = 5~40) sandwich exhibit anomalous oscillatory exchange coupling strength. The antiferromagnetic (AF) peaks appear at tIr =7, 19, 28, 40 Å, and the maxima AF coupling strength is about 2.32 erg/cm2 with tIr =7 Å, however, the oscillation period is not the same, may course by the superposition of the spanning vector of the complicated Ir(111) Fermi surface.
[1.1] M. N. Baibich et al., Phys. Rev. Lett. 61, 2472 (1988)
[1.2] S. S. P. Parkin, Phys. Rev. Lett. 67, 3598 (1991)
[1.3] David Jiles, Introduction to Magnetism and Magnetic Materials, p278 (1991)
[1.4] M. D. Stiles, Phys. Rev. B. 48, 7238 (1993)
[1.5] K. B. Hathaway, Magnetic Coupling and Magnetoresistance. 45
[1.6] P. Bruno and C. Chappert, Phys. Rev. Lett. 67, 1602 (1991)
[1.7] S. Colis et al., Phys. Rev. B. 62, 11709 (2000)
[1.8] K. Pettit et al., Phys. Rev. B. 56, 7918 (1997)
[1.9] Fujiwara, IEEE Trans. Mage. 31, 4112 (1995)
[1.10] S. S. P. Parkin et al., Phys. Rev. Lett. 64, 2304 (1990)
[1.11] H. Yanagihara et al., Phys. Rev. B. 60, 12957 (1999)
[1.12] H. Yanagihara et al., J. Appl. Phys. 81 (8) 15, 5197 (1997)
[1.13] H. Itoh et al., J. Magn. Magn. Mater. 257, 184 (2003)
[1.14] Y. Luo et al., Europhys. Lett. 42 (5), 565 (1998)
[2.1] Sóshin Chikazumi等著,張煦、李學養譯,磁性物理學,頁52,經連出版社(1981)
[2.2] Cullity, Introduction to magnetic materials, p207 (1972)
[2.3] Soshin Chikazumi and Stanley H. Charap, Physics of Magnetism (1972)
[2.4] Maxwell, James Clerk, Atreatise on Electicity and Magnetism, Articles 437 and 438, Vol.2, 1006 (1954)
[2.5] Stoner, Phil. Mag. 7, 36, 803 (1945)
[2.6] E .H. Meiklejohn and C. P. Bean, Phys.Rev. 102, 1413 (1956)
[2.7] E .H. Meiklejohn and C. P. Bean, Phys.Rev. 105 , 904(1957)
[3.1] See e.g.”Molecular Beam Epitaxy”,ed. by M . A. Herman and H. Sitter,(Berlin Springer,1989)
[3.2] C. C. Yu, “Studies of Crystal- and Step-Induced Magnetic Anisotropy and Exchange Coupling Effects in Epitaxial Films”, 國立成功大學物理研究所博士論文 (2000)
[3.3] J.P.Qian and G.C.Wang,J. Vac. Sci. Technol. A. 8, 4117 (1990)
[3.4] Voigt.W,”Magneto and Electro Optic”,Teubner,Leiptig (1908)
[3.5] Hulme,H.R.”Farady effect in ferromagnetics”,Pro.Roy.Soc.,A135,(1932) 237
[3.6] M.J,Freiser,IEEE.Trans.On Magn.,MAG-4(2),(1968) 152
[3.7] P.K. Larsen and P.J. Dobson, “Reflection High-Energy Electron Diffraction and Reflection Electron Imaging of Surface”, (NATO ASI Series, Series B: Physics Vol.188)
[4.1] from “PCPDFWIN® data base v. 2.02”
[4.2] 汪建民主編,材料分析,中國材料學會(1998),頁613
[4.3] M. N. Baibich et al., Phys. Rev. Lett. 61, 2472 (1988)
[4.4] S. S. P. Parkin, Phys. Rev. Lett. 67, 3598 (1991)
[4.5] David Jiles, Introduction to Magnetism and Magnetic Materials, p278 (1991)
[4.6] 陳文娟,Ni80Fe20/Ru/Ni80Fe20三層膜磁耦合隨著Ru厚度變化之研究,成功大學物理系碩士論文(2002)
[4.7] I. G. Trindade, J. Magn. Magn. Mater. 240 (2002) 232-234
[4.8] H. Yanagihara et. al., Phys. Rev. B. 60, 12957 (1999)
[4.9] M. D. Stiles, Phys. Rev. B. 48, 7238 (1993)
[4.10] from “http://www.phys.ufl.edu/fermisurface/index.html”
[4.11] P. Bruno and C. Chappert, Phys. Rev. Lett. 67, 1602 (1991)