Magnetic noise in a low-power picotesla magnetoresistive sensor

Proceedings of IEEE Sensors

Volumn , Issue , 2009, Pages 1848-1851

  Liou, S H ^a   Sellmyer, David ^a   Russek, Stephen E ^b   Heindl, Ranko ^b   Da Silva, F C S ^b   Moreland, John ^b   Pappas, David P ^b   Yuan, L ^c   Shen, J ^c  

^a UNIVERSITY OF NEBRASKA LINCOLN   (United States)

^b NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY   (United States)

^c WESTERN DIGITAL CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

APPLIED VOLTAGES; FIELD NOISE; HIGH MAGNETIC FIELDS; KEY FEATURE; LOW NOISE; LOW POWER; MAGNETIC FLUX CONCENTRATORS; MAGNETIC NOISE; MAGNETIC TUNNEL JUNCTION; MAGNETO RESISTIVE SENSORS; ROOM TEMPERATURE;

BRIDGES; MAGNETIC DEVICES; MAGNETIC FIELDS; MAGNETIC FLUX; MAGNETIC SENSORS; TUNNEL JUNCTIONS;

MAGNETIC MATERIALS;

EID: 77951137121     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICSENS.2009.5398414     Document Type: Conference Paper

References (19)

1. David J. Wright and Jim Kingdon, "Development of a Combined EMI/Magnetometer Sensor for UXO Detection," Proc. Symposium on the Applications of Geophysics to Environmental and Engineering Problems (SAGEEP), Colorado Springs, Feb. 22-26, 2004, pp. 1805-1814.
2. Jeffrey J. Love, "Magnetic Monitoring of Earth and Space", Phys. Today, vol.61, No.2, pp31, 2008.
3. Karsten Sternickel and Alex I Braginski, "Biomagnetism using SQUIDs: status and perspectives" Supercond. Sci. Technol. 19, S160-S171, 2006.
4. Dmitry Budker and Michael Romalis, "Optical magnetometry", Nature Physics Vol3, p227, 2007.
5. Peter D. D. Schwindt, Brad Lindseth, Svenja Knappe, Vishal Shah, and John Kitching, and Li-Anne Liew,"Chip-scale atomic magnetometer with improved sensitivity by use of the Mx technique" Appl. Phys. Lett., 90, 081102, 2007.
6. Vishal Shah, Svenja Knappe, Peter D. D. Schwindt, John Kitching, "Subpicotesla atomic magnetometry with a microfabricated vapour cell", Nature Photonics 1, L649-L652, 2007.
7. R. H. Koch and J. R. Rozen, " Low-noise flux-gate magnetic-field sensors using ring- and rod-core geometries", Appl. Phys. Lett., 78, 1897, 2001.
8. J. M. Almeida, P. Wisniowski, and P. P. Freitas, "Field detection in single and double barrier MgO magnetic tunnel junction sensors", J. Appl. Phys., 103, 07E922, 2008.
9. P. P. Freitas, R. Ferreira, S. Cardoso, and F Cardoso, "Magnetoresistive sensors" J. Phys.: Condens. Matter., 19, 165221, 2007.
10. Xiaoyong Liu, Dipanjan Mazumdar, Weifeng Shen, B. D. Schrag, and Gang Xiao, "Thermal stability of magnetic tunneling junctions with MgO barriers for high temperature spintronics", Appl. Phys. Lett., 89, 023504, 2006.
11. J. Scola, H. Polovy, C. Fermon, M. Pannetier-Lecoeur, G. Feng, K. Fahy, and J. M. D. Coey, "Noise in MgO barrier magnetic tunnel junctions with CoFeB electrodes: Influence of annealing temperature", Appl. Phys. Lett., 90, 252501, 2007.
12. R. C. Chaves, P. P. Freitas, Ocker and W. Maass, "Low frequency picotesla field detection using hybrid MgO based tunnel sensors", Appl. Phys. Lett., 91, 102504, 2007.
13. J. M. Almeida, R. Ferreira, P. P. Freitas, J. Langer, B. Ocker, and W. Maass, "1/f noise in linearized low resistance MgO magnetic tunnel junctions", J. Appl. Phys., 99, 08B314, 2006.
14. Dipanjan Mazumdar, Xiaoyong Liu, B. D. Schrag, Weifeng Shen, Matthew Carter, "Thermal stability, sensitivity, and noise characteristics of MgO-based magnetic tunnel junctions" Gang Xiao, J. Appl. Phys., 101, 09B502, 2007.
15. N. A. Stutzke, S. E. Russek, D. P. Pappas, and M. Tondra, "Low-frequency noise measurements on commercial magnetoresistive magnetic field sensors", J. Appl. Phys., 97, 10Q107, 2005.
16. S. H. Liou, Rui Zhang, Stephen E. Russek, L. Yuan, Sean T. Halloran, and David P. Pappas, "Dependence of noise in magnetic tunnel junction sensors on annealing field and temperature", J. Appl. Phys., 103, 07E920, 2008.
17. S. Ikeda, J. Hayakawa, Y. Ashizawa, Y. M. Lee, K. Miura, H. Hasegawa, M. Tsunoda, F. Matsukura, and H. Ohno, "Tunnel magnetoresistance of 604% at 300 K by suppression of Ta diffusion in CoFeB/MgO/CoFeB pseudo-spin-valves annealed at high temperature", Appl. Phys. Lett., 93, 082508, 2008.
18. Predrag M. Drljača, Frank Vincent, Pierre-André Besse, Radivoje S. Popović, "Design of planar magnetic concentrators for high sensitivity Hall devices" Sensors and Actuators A 97-98, 10-14, 2002. (Pubitemid 34758705)
19. F. G. Aliev, R. Guerrero, D. Herranz, R. Villar, F. Greullet, C. Tiusan, and M. Hehn, "Very low 1/ f noise at room temperature in fully epitaxial Fe/MgO/Fe magnetic tunnel junctions" Appl. Phys. Lett., 91, 232504, 2007.