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The low-frequency noise is the most important influence on the low frequency resolution and sensitivity in tunnel junction magnetoresistance(TMR) sensors and giant magnetoresistance (GMR) sensor for the large noise power density. In this paper, We describe the 1/f noise characteristics, sources, theoretical models, testing methods and noise reduction measures for TMR sensors and GMR sensors, and the detailed physical model of 1/f noise in the tunnel junction magnetoresistive sensor is explained. By nano-simulation software Virtual NanoLab, Fe/MgO/Fe magnetic tunnel junctions (MTJs) with different thicknesses of MgO layer are studied. Their tunneling probabilities and TMR change rates are simulated and calculated, the conservative and the optimistic estimates of the Change rate of TMR are 98.1 % and 10324.55%.While the influence of MgO thickness on noise is studied through the MTJ model. To study the noise dependance on external magnetic field, an magnetic shielding equipment for noise measurement is set up, and the tests show that the noise in the magnetic shielding environment is significantly reduced.
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Keywords:
- MTJ /
- 1/f noise /
- flux-concentration
[1] Scola J, Polovy H, Fermon C, Pannetier M, Feng G, Fahy K, Coey J M 2007 Appl. Phys. Lett. 90 252501
[2] Kurt H, Oguz K, Niizeki T, Coey J M D 2010 J. Appl. Phys. 107 083920
[3] Edelstein A S, Fischer G, Pulskamp J, Pedersen M, Bernard W 2006 J. Appl. Phys. 99 08B317
[4] Stutzke N A, Russek S E, Pappas D P, Tondra M 2005 J. Appl. Phys. 97 10Q107
[5] Peng S Q, Du L, Zhuang Y Q, Bao J L, He L, Chen W H 2008 Acta Phys. Sin. 57 5205 (in Chinese) [彭绍泉, 杜磊, 庄弈琪, 包军林, 何亮, 陈伟华 2008 物理学报 57 5205]
[6] Du L, Zhuang Y Q, Xue L J 2002 Acta Phys. Sin. 51 2836(in Chinese) [杜磊, 庄弈琪, 薛丽君 2002 物理学报 51 2836]
[7] Liang Z P, Dong Z C 2010 Acta Phys. Sin. 59 1288 (in Chinese) [梁志鹏, 董正超 2010 物理学报 59 1288]
[8] Yu G Q, Diao Z, Feng J F, Kurt H, Han X F, Coey J M D 2011 Appl. Phys. Lett. 98 112504
[9] Feng J F, Diao Z, Feng G, Nowak E R, Coey J M D 2010 Appl. Phys.Lett. 96 052504
[10] Herranz D, Bonell F, Gomez-Ibarlucea A 2010 J. Appl. Phys. 96 202501
[11] Guerrero R, Pannetier-Lecoeur M, Fermon C, Cardoso S, Freitas P P 2009 J. Appl. Phys. 105 113922
[12] Egelhoff Jr W F, Pong P W T, Unguris J, McMichael R D, Nowakc E R, Edelsteind A S, Burnetted J E, Fischer G A 2009 Sens. Actuators 155 217
[13] Nowak E R, Weissman M B, Parkin S S P 1999 Appl. Phys. Lett. 74 600
[14] Jiang L, Nowak E R, Scott P E, Johnson J, Slaughter J M, Sun J J 2004 Phys. Rev. B 69 054407
[15] Nowak E R, Merithew R D, Weissman M B, Bloom I, Parkin S S P 1998 J. Appl. Phys. 84 6195
[16] Ingvarsson S, Xiao G, Parkin S S P, Gallagher W J, Grinstein G, Koch R H 2000 Phys. Rev. Lett. 85 3289
[17] Gokce A, Nowak E R, Yang S H, Pankin S S P 2006 J. Appl. Phys. 99 08A906
[18] Stearrett R, Wang W G, Shah L R, Gokce Aisha, Xiao J Q, Nowak E R 2010 J. Appl. Phys. 107 064502
[19] Bhattacharya D K, Vaidyanathan S 1997 J. Magn. Magn. Mater. 166 111
[20] Hooge F N, Kleinpenning T G M, Vandamme L K J 1981 Rep. Prog. Phys. 44 31
[21] Xiao M, Klaassen K B 2000 IEEE Trans. Magn. 36 5
[22] Ren C, Liu X, Schrag B D, Xiao G 2004 Phys. Rev. B 69 104405
[23] Klaassen K B, Van Peppen J C L, Xing X 2005 J. Appl. Phys. 93 8573
[24] Ozbay A, Gokce A, Flanagan T, Stearrett R A, Nowak E R, Nordman C 2009 Appl. Phys. Lett. 94 023502
[25] Smith N, Amett P 2001 Appl. Phys. Lett. 78 1448
[26] Almeida J M, Ferreira R, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08B314
[27] Jander A, Nordman C A, Pohm A V, Anderson J M 2003 J.Appl. Phys. 93 10
[28] Tsang C, Fontana R E, Lin T, Heim D E 1994 IEEE Trans. Magn. 30 3801
[29] Ferreira R, Wisniowski P, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08K706
[30] Wang W G, Ni C, Rumaiz A, Wang Y, Fan X, Moriyama T, Cao R, Wen Q Y, Zhang H W, Xiao J Q 2008 Appl. Phys. Lett. 92 152501
[31] Dutta P, Horn P M 1981 Rev. Mod. Phys. 53 497
[32] Wang W G, Jordan-Sweet J, Miao G X, Ni C, Rumaiz A K, Shah L R, Fan X, Parsons P, Stearrett R, Nowak E R, Moodera J S, Xiao J Q 2009 Appl. Phys. Lett. 95 242501
[33] Liou S H, Zhang R, Russek S E, Yuan L, Halloran S T, Pappas D P 2008 J. Appl. Phys. 103 07E920
[34] Aliev F G, Guerrero R, Herranz D, Villar R 2007 Appl. Phys. Lett. 91 232504
[35] Veloso A, Freitas P P, Wei P, Barradas N P, Soares J C, Almeida B, Sousa J B 2000 Appl. Phys. Lett. 77 1020
[36] Hasegawa N, Koile F, Ikarashi K, Ishizone M, Lawamura M, Nakazawa Y, Takahashi A 2002 J. Appl. Phys. 91 8774
[37] Park W K, Moodera J S, Taylor J, Tondra M, Daughton J M, Thomas A, Bruckl H 2003 J. Appl. Phys. 93 7020
[38] Ferreira R, Wisniowski P, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08K706
[39] Mazumdar D, Liu X, Schrag B D, Shen W, Carter M, Xiao G 2007 J. Appl. Phys. 101 09B502
[40] Mazumdar D, Liu X, Schrag B D, Carter M, Shen W, Xiao G 2007 Appl. Phys. Lett. 91 033507
[41] Schrag B D, Anguelouch A, Invarsson S, Xiao G, Lu Y, Trouilloud P L, Gupta A, Wanner R A, Gallagher W J, Rice P M, Parkin S S P 2000 Appl. Phys. Lett. 77 2373
[42] Chaves R C, Freitas P P, Ocker B, Maass W 2007 Appl. Phys. Lett. 91 102504
[43] Chaves R C, Freitas P P, Ocker B, Maass W 2008 J. Appl. Phys. 103 07E931
[44] Lhermet H, Cuchet R, Rochaz L V, Vaudaine M H 2000 IEEE Trans.Magn. 36 5
[45] Nor A F M, Hill E W 2002 IEEE Trans.Magn. 38 5
[46] Diao Z, Feng J F, Kurt H 2010 Appl. Phys. Lett. 96 202506
[47] Ikeda S, Hayakawa J, Ashizawa Y, Lee Y M, Miura K, Hasegawa H, Tsunoda M, Matsukura F, Ohno H 2008 Appl. Phys. Lett. 93 082508
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[1] Scola J, Polovy H, Fermon C, Pannetier M, Feng G, Fahy K, Coey J M 2007 Appl. Phys. Lett. 90 252501
[2] Kurt H, Oguz K, Niizeki T, Coey J M D 2010 J. Appl. Phys. 107 083920
[3] Edelstein A S, Fischer G, Pulskamp J, Pedersen M, Bernard W 2006 J. Appl. Phys. 99 08B317
[4] Stutzke N A, Russek S E, Pappas D P, Tondra M 2005 J. Appl. Phys. 97 10Q107
[5] Peng S Q, Du L, Zhuang Y Q, Bao J L, He L, Chen W H 2008 Acta Phys. Sin. 57 5205 (in Chinese) [彭绍泉, 杜磊, 庄弈琪, 包军林, 何亮, 陈伟华 2008 物理学报 57 5205]
[6] Du L, Zhuang Y Q, Xue L J 2002 Acta Phys. Sin. 51 2836(in Chinese) [杜磊, 庄弈琪, 薛丽君 2002 物理学报 51 2836]
[7] Liang Z P, Dong Z C 2010 Acta Phys. Sin. 59 1288 (in Chinese) [梁志鹏, 董正超 2010 物理学报 59 1288]
[8] Yu G Q, Diao Z, Feng J F, Kurt H, Han X F, Coey J M D 2011 Appl. Phys. Lett. 98 112504
[9] Feng J F, Diao Z, Feng G, Nowak E R, Coey J M D 2010 Appl. Phys.Lett. 96 052504
[10] Herranz D, Bonell F, Gomez-Ibarlucea A 2010 J. Appl. Phys. 96 202501
[11] Guerrero R, Pannetier-Lecoeur M, Fermon C, Cardoso S, Freitas P P 2009 J. Appl. Phys. 105 113922
[12] Egelhoff Jr W F, Pong P W T, Unguris J, McMichael R D, Nowakc E R, Edelsteind A S, Burnetted J E, Fischer G A 2009 Sens. Actuators 155 217
[13] Nowak E R, Weissman M B, Parkin S S P 1999 Appl. Phys. Lett. 74 600
[14] Jiang L, Nowak E R, Scott P E, Johnson J, Slaughter J M, Sun J J 2004 Phys. Rev. B 69 054407
[15] Nowak E R, Merithew R D, Weissman M B, Bloom I, Parkin S S P 1998 J. Appl. Phys. 84 6195
[16] Ingvarsson S, Xiao G, Parkin S S P, Gallagher W J, Grinstein G, Koch R H 2000 Phys. Rev. Lett. 85 3289
[17] Gokce A, Nowak E R, Yang S H, Pankin S S P 2006 J. Appl. Phys. 99 08A906
[18] Stearrett R, Wang W G, Shah L R, Gokce Aisha, Xiao J Q, Nowak E R 2010 J. Appl. Phys. 107 064502
[19] Bhattacharya D K, Vaidyanathan S 1997 J. Magn. Magn. Mater. 166 111
[20] Hooge F N, Kleinpenning T G M, Vandamme L K J 1981 Rep. Prog. Phys. 44 31
[21] Xiao M, Klaassen K B 2000 IEEE Trans. Magn. 36 5
[22] Ren C, Liu X, Schrag B D, Xiao G 2004 Phys. Rev. B 69 104405
[23] Klaassen K B, Van Peppen J C L, Xing X 2005 J. Appl. Phys. 93 8573
[24] Ozbay A, Gokce A, Flanagan T, Stearrett R A, Nowak E R, Nordman C 2009 Appl. Phys. Lett. 94 023502
[25] Smith N, Amett P 2001 Appl. Phys. Lett. 78 1448
[26] Almeida J M, Ferreira R, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08B314
[27] Jander A, Nordman C A, Pohm A V, Anderson J M 2003 J.Appl. Phys. 93 10
[28] Tsang C, Fontana R E, Lin T, Heim D E 1994 IEEE Trans. Magn. 30 3801
[29] Ferreira R, Wisniowski P, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08K706
[30] Wang W G, Ni C, Rumaiz A, Wang Y, Fan X, Moriyama T, Cao R, Wen Q Y, Zhang H W, Xiao J Q 2008 Appl. Phys. Lett. 92 152501
[31] Dutta P, Horn P M 1981 Rev. Mod. Phys. 53 497
[32] Wang W G, Jordan-Sweet J, Miao G X, Ni C, Rumaiz A K, Shah L R, Fan X, Parsons P, Stearrett R, Nowak E R, Moodera J S, Xiao J Q 2009 Appl. Phys. Lett. 95 242501
[33] Liou S H, Zhang R, Russek S E, Yuan L, Halloran S T, Pappas D P 2008 J. Appl. Phys. 103 07E920
[34] Aliev F G, Guerrero R, Herranz D, Villar R 2007 Appl. Phys. Lett. 91 232504
[35] Veloso A, Freitas P P, Wei P, Barradas N P, Soares J C, Almeida B, Sousa J B 2000 Appl. Phys. Lett. 77 1020
[36] Hasegawa N, Koile F, Ikarashi K, Ishizone M, Lawamura M, Nakazawa Y, Takahashi A 2002 J. Appl. Phys. 91 8774
[37] Park W K, Moodera J S, Taylor J, Tondra M, Daughton J M, Thomas A, Bruckl H 2003 J. Appl. Phys. 93 7020
[38] Ferreira R, Wisniowski P, Freitas P P, Langer J, Ocker B, Maass W 2006 J. Appl. Phys. 99 08K706
[39] Mazumdar D, Liu X, Schrag B D, Shen W, Carter M, Xiao G 2007 J. Appl. Phys. 101 09B502
[40] Mazumdar D, Liu X, Schrag B D, Carter M, Shen W, Xiao G 2007 Appl. Phys. Lett. 91 033507
[41] Schrag B D, Anguelouch A, Invarsson S, Xiao G, Lu Y, Trouilloud P L, Gupta A, Wanner R A, Gallagher W J, Rice P M, Parkin S S P 2000 Appl. Phys. Lett. 77 2373
[42] Chaves R C, Freitas P P, Ocker B, Maass W 2007 Appl. Phys. Lett. 91 102504
[43] Chaves R C, Freitas P P, Ocker B, Maass W 2008 J. Appl. Phys. 103 07E931
[44] Lhermet H, Cuchet R, Rochaz L V, Vaudaine M H 2000 IEEE Trans.Magn. 36 5
[45] Nor A F M, Hill E W 2002 IEEE Trans.Magn. 38 5
[46] Diao Z, Feng J F, Kurt H 2010 Appl. Phys. Lett. 96 202506
[47] Ikeda S, Hayakawa J, Ashizawa Y, Lee Y M, Miura K, Hasegawa H, Tsunoda M, Matsukura F, Ohno H 2008 Appl. Phys. Lett. 93 082508
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