Thermal stability of magnetic tunnel junctions with new amorphous ZrAl-alloy films as the under and capping layers

IEEE Transactions on Magnetics

Volumn 41, Issue 10, 2005, Pages 2667-2669

  Choi, Chul Min ^a   Song, Jin Oh ^a   Lee, Seong Rae ^a  

^a Korea University   (South Korea)

Author keywords

Amorphous ZrAl alloy; Magnetic tunnel junction; Thermal stability

Indexed keywords

MAGNETIC FILMS; MAGNETORESISTANCE; NANOSTRUCTURED MATERIALS; THERMODYNAMIC STABILITY; ZIRCONIUM COMPOUNDS;

AMORPHOUS ZRAL ALLOYS; BARRIER DEFORMATION; INTERDIFFUSION; MAGNETIC TUNNEL JUNCTION (MTJ);

TUNNEL JUNCTIONS;

EID: 27744527351     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2005.855291     Document Type: Article

References (8)

1. Z. Zhang, S. Cardoso, P. P. Freitas, X. Batlle, P. Wei, N. Barradas, and J. C. Scares, "40% tunneling magnetoresistance after anneal at 380°C for tunnel junctions with iron-oxide interface layers," J. Appl. Phys., vol. 89, pp. 6665-6667, 2001.
2. N. Matsukawa, A. Odagawa, Y. Sugita, Y. Kawashima, Y. Morinaga, S. Satomi, M. Hiramoto, and J. Kuwata, "Thermally stable exchange-biased magnetic tunnel junctions over 400°C," Appl. Phys. Lett., vol. 81, pp. 4784-4786, 2002.
3. S. H. Jang, T. Kang, H. J. Kim, and K. Y. Kim, "Effect of the nano-oxide layer as a Mn diffusion barrier in specular spin valves," Appl. Phys. Lett., vol. 81, pp. 105-107, 2002.
4. 3 barrier," Appl. Phys. Lett., vol. 81, pp. 2214-2216, 2002.
5. S.-R. Lee, C.-M. Choi, and Y. K. Kim, "Effect of Zr concentration on the microstructure of Al and the magnetoresistance properties of the magnetic tunnel junction with a Zr-alloyed Al-oxide barrier," Appl. Phys. Lett., vol. 83, pp. 317-319, 2003.
6. H. G. Cho, Y. K. Kim, and S.-R. Lee, "Interlayer diffusion and specularity aspects of amorphous CoNbZr-based spin-valves," IEEE Trans. Magn., vol. 38, no. 5, pp. 2685-2687, Sep. 2002.
7. B. S. Chun, S.-R. Lee, and Y. K. Kim, "Characteristics of magnetic tunnel junctions consisting of amorphous CoNbZr layers," J. Appl. Phys., vol. 93, pp. 8361-8363, 2003.
8. H. G. Cho, Y. K. Kim, and S.-R. Lee, "Thermal stability of spin-valves incorporating amorphous CoNbZr under and capping layers," J. Appl. Phys., vol. 91, pp. 8581-8583, 2002.