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The effects of Gaussian type inhomogeneous stress and strain on the magnetic properties in ferromagnetic thin films are studied by Monte-Carlo simulation. The results show that the coercive field could be enhanced by the strain parallel to the easy axis and stress perpendicular to the easy axis, on the other hand, it could also be weakened by the stress parallel to the easy axis and strain perpendicular to the easy axis. The coercive field increases (or decreases) in the system, meanwhile, the remanent magnetization and squareness increase (or decrease) as well. More interestingly, the easy axis will rotate within the centralized region under stress parallel to the initial easy axis and strain perpendicular to the initial easy axis. The range of centralized region with easy axis rotation is strongly dependent on the magnitude of stress or strain and the width of its distribution.
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Keywords:
- ferromagnetic thin films /
- inhomogeneous stress and strain /
- Monte-Carlo simulation /
- hysteresis loop
[1] Aharoni A 2001 Physica B 306 1
[2] Peng B, Zhang W L, Zhang W X, Jiang H C, Yang S Q 2006 Physica B 382 135
[3] Zhan Q F, Vandezande S, Temst K, Haesendonck C V 2009 Phys. Rev. B 80 094416
[4] Paes V Z C, Mosca D H 2013 J. Magn. Magn. Mater. 330 81
[5] Xu X Y, Qian L J, Hu J G 2009 Acta Phys. Sin. 58 2023 (in Chinese) [许小勇, 钱丽洁, 胡经国 2009 58 2023]
[6] Annadurai A, Raja M M, Prabahar K, Kumar A, Kannan M D, Jayakumar S 2011 J. Magn. Magn. Mater. 323 2797
[7] Pan J, Tao Y C, Hu J G 2006 Acta Phys. Sin. 55 3032 (in Chinese) [潘靖,陶永春,胡经国 2006 55 3032]
[8] Kwon C, Robson M C, Kim K-C, Gu J Y, Lofland S E, Bhagat S M, Trajanovic Z, Rajeswari M, Venkatesan T, Kratz A R, Gomez R D, Ramesh R 1997 J. Magn. Magn. Mater. 172 229
[9] Atulasimha J, Flatau A B 2011 Smart Mater. Struct. 20 043001
[10] Kellogg R A, Flatau A B, Clark A E, Wun-Fogle M, Lograsso T A 2002 J. Appl. Phys. 91 7821
[11] Mahadevan A, Evans P G, Dapino M J 2010 J. Appl. Phys. 96 012502
[12] Zhang H, Zeng D C, Liu Z W 2011 Acta Phys. Sin. 60 067503 (in Chinese) [张辉, 曾德长, 刘仲武 2011 60 067503]
[13] Clark A E, Wun-Fogle M, Restorff J B, Lograsso T A 2002 Mater. T. JIM. 43 881
[14] Rigue J, Chrischon D, De Andrade A M H, Carara M 2012 J. Magn. Magn. Mater. 324 1561
[15] Ludwig A, Tewes M, Glasmachers S, Löhndorf M, Quandt E 2002 J. Magn. Magn. Mater. 242-245 1126
[16] Dokupil S, Bootsmann M-T, Stein S, Löhndorf M, Quandt E 2005 J. Magn. Magn. Mater. 290-291 795
[17] Dai G H, Zhan Q F, Liu Y W, Yang H L, Zhang X S, Chen B, Li R W 2012 Appl. Phys. Lett. 100 122407
[18] Wang Y L, Zhang P C, Liu H R, Liu B T, Fu G S 2011 Acta Phys. Sin. 60 077702 (in Chinese) [王英龙, 张鹏程, 刘虹让, 刘保亭, 傅广生 2011 60 077702]
[19] Barraud C, Deranlot C, Seneor P, Mattana R, Dlubak B, Fusil S, Bouzehouane K, Deneuve D, Petroff F, Fert A 2010 Appl. Phys. Lett. 96 072502
[20] Thang P D, Rijnders G, Blank D H A 2007 J. Magn. Magn. Mater. 310 2621
[21] Mitchell P V, Mountfield K R, Artman J O 1988 J. Appl. Phys. 63 2917
[22] Hu J G, Jin G J, Hu A, Ma Y Q 2004 Eur. Phys. J. B 40 265
[23] Yamahara H, Mikami M, Seki M, Tabata H 2011 J. Magn. Magn. Mater. 323 3143
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[1] Aharoni A 2001 Physica B 306 1
[2] Peng B, Zhang W L, Zhang W X, Jiang H C, Yang S Q 2006 Physica B 382 135
[3] Zhan Q F, Vandezande S, Temst K, Haesendonck C V 2009 Phys. Rev. B 80 094416
[4] Paes V Z C, Mosca D H 2013 J. Magn. Magn. Mater. 330 81
[5] Xu X Y, Qian L J, Hu J G 2009 Acta Phys. Sin. 58 2023 (in Chinese) [许小勇, 钱丽洁, 胡经国 2009 58 2023]
[6] Annadurai A, Raja M M, Prabahar K, Kumar A, Kannan M D, Jayakumar S 2011 J. Magn. Magn. Mater. 323 2797
[7] Pan J, Tao Y C, Hu J G 2006 Acta Phys. Sin. 55 3032 (in Chinese) [潘靖,陶永春,胡经国 2006 55 3032]
[8] Kwon C, Robson M C, Kim K-C, Gu J Y, Lofland S E, Bhagat S M, Trajanovic Z, Rajeswari M, Venkatesan T, Kratz A R, Gomez R D, Ramesh R 1997 J. Magn. Magn. Mater. 172 229
[9] Atulasimha J, Flatau A B 2011 Smart Mater. Struct. 20 043001
[10] Kellogg R A, Flatau A B, Clark A E, Wun-Fogle M, Lograsso T A 2002 J. Appl. Phys. 91 7821
[11] Mahadevan A, Evans P G, Dapino M J 2010 J. Appl. Phys. 96 012502
[12] Zhang H, Zeng D C, Liu Z W 2011 Acta Phys. Sin. 60 067503 (in Chinese) [张辉, 曾德长, 刘仲武 2011 60 067503]
[13] Clark A E, Wun-Fogle M, Restorff J B, Lograsso T A 2002 Mater. T. JIM. 43 881
[14] Rigue J, Chrischon D, De Andrade A M H, Carara M 2012 J. Magn. Magn. Mater. 324 1561
[15] Ludwig A, Tewes M, Glasmachers S, Löhndorf M, Quandt E 2002 J. Magn. Magn. Mater. 242-245 1126
[16] Dokupil S, Bootsmann M-T, Stein S, Löhndorf M, Quandt E 2005 J. Magn. Magn. Mater. 290-291 795
[17] Dai G H, Zhan Q F, Liu Y W, Yang H L, Zhang X S, Chen B, Li R W 2012 Appl. Phys. Lett. 100 122407
[18] Wang Y L, Zhang P C, Liu H R, Liu B T, Fu G S 2011 Acta Phys. Sin. 60 077702 (in Chinese) [王英龙, 张鹏程, 刘虹让, 刘保亭, 傅广生 2011 60 077702]
[19] Barraud C, Deranlot C, Seneor P, Mattana R, Dlubak B, Fusil S, Bouzehouane K, Deneuve D, Petroff F, Fert A 2010 Appl. Phys. Lett. 96 072502
[20] Thang P D, Rijnders G, Blank D H A 2007 J. Magn. Magn. Mater. 310 2621
[21] Mitchell P V, Mountfield K R, Artman J O 1988 J. Appl. Phys. 63 2917
[22] Hu J G, Jin G J, Hu A, Ma Y Q 2004 Eur. Phys. J. B 40 265
[23] Yamahara H, Mikami M, Seki M, Tabata H 2011 J. Magn. Magn. Mater. 323 3143
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