Preliminary design and noise considerations for an ultrasensitive magnetic field sensor

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6645, Issue , 2007, Pages

  Pong, Philip W T ^a   McMichael, Robert ^a   Edelstein, Alan S ^b   Nowak, Edmund R ^c   Egelhoff Jr , William F ^a  

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

^b U S ARMY RESEARCH LABORATORY   (United States)

^c UNIVERSITY OF DELAWARE   (United States)

Author keywords

1 f noise; Design tool; Johnson noise; Mag noise; Magnetic field sensor; Magnetic tunnel junction; Tunneling magnetoresistance

Indexed keywords

MAGNETIC FIELD EFFECTS; NOISE ABATEMENT; PRODUCT DESIGN; SQUIDS;

1/F NOISE; JOHNSON NOISE; MAG NOISE; MAGNETIC FIELD SENSORS;

MAGNETIC SENSORS;

EID: 42149125744     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.731142     Document Type: Conference Paper

References (19)

1. B. Schrag, X. Liu, "Magnetic Tunnel Junction Sensor Development for Industrial Applications", http://www.industrial-embedded.com/articles/ schrag_and_liu/
2. J. S. Moodera, L. R. Kinder, T. M. Wong, and R. Meservey, "Large Magnetoresistance at Room Temperature in Ferromagnetic Thin Film Tunnel Junctions", Phys. Rev. Lett. 74, 3273 (1995)
3. J. S. Moodera and L. R. Kinder, "Ferromagnetic-Insulator- Ferromagnetic Tunneling: Spin-Dependent Tunneling and Large Magnetoresistance in Trilayer Junctions", J. Appl. Phys. 79, 4724 (1996)
4. W. J. Gallagher, S. S. P. Parkin, Yu Lu, X. P. Bian, A. Marley, K. P. Roche, R. A. Altaian, S. A. Rishton, C. Jahnes, T. M. Shaw, Gang Xiao, "Microstructured Magnetic Tunnel Junctions", J. Appl. Phys. 81, 3741 (1997)
5. M. Sato, H. Kikuchi, K. Kobayashi, "Ferromagnetic Tunnel Junctions with Plasma-Oxidized Al Barriers and their Annealing Effects", J. Appl Phys. 83, 6691 (1998)
6. J. K. Spong, V. S. Speriosu, R. E. Fontana, Jr., M. M. Dovek, T. L. Hylton, "Giant Magnetoresistive Spin Valve Bridge Sensor", IEEE Trans. Mag. 32, 366 (1996)
7. J. Daughton, J. Brown, E. Chen, R. Beech, A. Pohm, and W. Kude, "Magnetic Field Sensors Using GMR Multilayer", IEEE Trans. Mag. 30, 4608 (1994)
8. W. Shen, X. Liu, D. Mazumdar, G. Xiao, "In situ Detection of Single Micron-Sized Magnetic Beads Using Magnetic Tunnel Junction Sensors", Appl. Phys. Lett. 86, 253901 (2005)
9. A. Jander, C. Smith, R. Schneider, "Magnetoresistive Sensors for Nondestructive Evaluation", Proc. SPIE International Symposium Nondestructive Evaluation for Health Monitoring and Diagnostics 5770, 1 (2005)
10. C. H. Smith, R. W. Schneider, "Low-Field Magnetic Sensing with GMR Sensors", Sensors EXPO, May 4, 1999, Baltimore, Maryland, USA
11. T. Bratland, M. J. Caruso, R. W. Schneider, Carl H. Smith, "A New Perspective on Magnetic Field Sensing", htto://www.ssec.honeywell.com/ magnetic/datasheets/new_pers.pdf
12. S. S. P. Parkin, C. Kaiser. A. Panchula, P. M. Rice, B. Hughes, M. Samant, S. H. Yang, "Giant Tunnelling Magnetoresistance at Room Temperature with MgO (100) Tunnel Barriers", Nat. Mater. 3, 862 (2004)
13. S. Yuasa, A. Fukushima, H. Kubota, Y. Suzuki, K. Ando, "Giant Tunneling Magnetoresistance Up to 410% at Room Temperature in Fully Epitaxial Co/MgO/Co Magnetic Tunnel Junctions with bcc Co(001) Electrodes", Appl. Phys. Lett. 89, 042505 (2006)
14. W. F. Egelhoff, R. D. McMichael, C. L. Dennis, M. D. Stiles, F. Johnson, A. J. Shapiro, B. B. Maranville, C. J. Powell, "Soft Magnetic Layers for Low-Field-Detection Magnetic Sensors", Thin Solid Films 505, 90, 2006
15. A. Ozbay, E. R. Nowak., A. S. Edelstein, G. A. Fischer, C. A. Nordman, S. F. Cheng, "Magnetic Field Dependence of the Noise in a Magnetoresistive Sensor having MEMS Flux Concentrators", IEEE Trans. Mag. 42, 3306 (2006)
16. S. Ingvarsson, G. Xiao, S. S. P. Parkin, W. J. Gallagher, G. Grinstein, R. H. Koch, "Low-Frequency Magnetic Noise in Micron-Scale Magnetic Tunnel Junctions", Phys. Rev. Lett. 85, 3289 (2000)
17. E. R. Nowak, M. B. Weissman, S. S. P. Parkin, "Electrical Noise in Hysteretic Ferromagnet-Insulator-Ferromagnet Tunnel Junctions", Appl Phys. Lett. 74, 600 (1999)
18. A. S. Edelstein, G. A. Fischer, M. Pedersen, E. R. Nowak, Shu Fan Cheng, C. A. Nordman, "Progress Toward a Thousandfold Reduction in 1/f Noise in Magnetic Sensors Using an ac Microelectromechanical System Flux Concentrator", J. Appl Phys. 99,08B317 (2006)
19. E. R. Nowak, to be published