Electronic transport in crystalline magnetotunnel junctions: Effects of structural disorder

Journal of Computer-Aided Materials Design

Volumn 14, Issue 1, 2007, Pages 141-149

  Stilling, Morten ^a   Stokbro, Kurt ^a   Flensberg, Karsten ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Atomic position; Conductance; Electron transport; Interface; Magnetotunnel junction; Oxide barrier; Perturbation; Spintronics; Variation

Indexed keywords

ELECTRON TRANSITIONS; GREEN'S FUNCTION; MAGNETOELECTRONICS; PERTURBATION TECHNIQUES; PROBABILITY DENSITY FUNCTION;

ATOMIC COORDINATES; ATOMIC POSITION; MAGNETOTUNNEL JUNCTION (MTJ); OXIDE BARRIER;

TUNNEL JUNCTIONS;

EID: 33947248648     PISSN: 09281045     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10820-006-9033-x     Document Type: Conference Paper

References (13)

1. Moodera, J.S., Kinder, L.S., Wong, T.M., Meservey, R.: Large magnetoresistance at room temperature in ferromagnetic thin film tunnel junctions. Phys. Rev. Lett. 74, 3273-3276 (1995)
2. Tsymbal, E.Yu., Pettifor, D.G.: Spin-polarized electron tunneling across a disordered insulator. Phys. Rev. B 58, 432-437 (1998)
3. Mathon, J., Umerski, A.: Theory of tunneling magnetoresistance of an epitaxial Fe/MgO/Fe(001) junction. Phys. Rev. B 63, 220403-1-220403-4 (2001)
4. Butler, W.H., Zhang, X.-G., Schulthess, T.C.,MacLaren, J.M.: Spin-dependent tunneling conductance of Fe|MgO|Fe sandwiches. Phys. Rev. B 63, 054416-1-054416-12 (2001)
5. Yuasa, S., Nagahama, T., Fukushima, A., Suzuki, Y., Ando, K.: Giant room-temperature magnetoresistance in single-crystal Fe/MgO/Fe magnetic tunnel junction. Nat. Mater. 3, 868-871 (2004)
6. Zhang, X.-G., Butler, W.H., Bandyopadhyay, A.: Effects of the iron-oxide layer in Fe-FeO-MgO-Fe tunneling junctions. Phys. Rev. B 68, 092402-1-092402-4 (2003)
7. Zhang, C., Zhang, X.-G., Krstíc, P.S., Hai-ping, Cheng, Butler, W.H., MacLaren, J.M.: Electronic structure and spin-dependent tunneling conductance under a finite bias. Phys. Rev. B 69, 134406-1-134406-12 (2004)
8. Mathon, J., Umerski, A.: Theory of resonant tunneling in an epitaxial Fe/Au/MgO/Au/Fe(001) junction. Phys. Rev. B 71, 220402-1-220402-4 (2005)
9. Stilling, M. Stokbro K., Flensberg K.: Crystalline Magnetotunnel Junctions: Fe-MgO-Fe, Fe-Fe-OMgO-Fe and Fe-AuMgOAu-Fe (accepted for publication in Molecular Simulation).
10. Brandbyge, M., Mozos, J.-L., Ordejón, P., Taylor, J., Stokbro, K.: Density-functional method for nonequilibrium electron transport. Phys. Rev. B 65, 165401-1-165401-17 (2002)
11. http://www.atomistix.com
12. Meyerheim, H.L., Popescu, R., Jedrecy, N., Vedpathak, M., Sauvage-Simkin, M., Pinchaux, R., Heinrich, B., Kirschner, J.: Surface x-ray diffraction analysis of the MgO/Feä(001) interface: Evidence for an FeO layer. Phys. Rev. B 65, 144433-1-144433-7 (2002).
13. Perdew, J.P., Burke, K., Ernzerhof, M.: Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865-3868 (1996)