[ Previous / Next Abstract | Issue Table of Contents | Bottom of Page ]

Physical Review B (Condensed Matter and Materials Physics) -- March 15, 1999 -- Volume 59, Issue 11, pp. 7350-7353

Nanoscale Fe islands on MgO(001) produced by molecular-beam epitaxy

S. M. Jordan, R. Schad, A. M. Keen, M. Bischoff, D. S. Schmool, and H. van Kempen

Research Institute for Materials, University of Nijmegen, Toernooiveld 1, NL-6525 ED Nijmegen, The Netherlands

(Received 3 August 1998)

We report that a 10-nm thick Fe film grown at an elevated temperature on MgO(001) forms isolated islands of diameter between 10 and 100 nm. Increasing the deposition temperature causes the islands to decrease in diameter. The resulting films are electrically insulating but show electrical transport properties that vary strongly with growth temperature when capped with 2 nm Au. Films grown at a temperature of 743 K showed a giant magnetoresistance of 0.7% when measured at room temperature. ©1999 The American Physical Society

URL: http://link.aps.org/abstract/PRB/v59/p7350
PACS: 68.55.-a, 73.50.-h, 75.70.Pa, 81.05.Rm        Additional Information

References

1. G. Binasch, P. Grünberg, F. Saurenbach, and W. Zinn, Phys. Rev. B 39, 4828 (1989).
   
2. M.N. Baibich et al., Phys. Rev. Lett. 61, 2472 (1988).
   
3. S.S.P. Parkin, R.F.C. Farrow, T.A. Rabedeau, R.F. Marks, G.R. Harp, Q. Lam, C. Chappert, M.F. Toney, R. Savoy, and R. Geiss, Europhys. Lett. 22, 455 (1993). [INSPEC]
   
4. B. Dieny, S.R. Teixeira, B. Rodmacq, C. Cowache, S. Auffret, O. Redon, and J. Pierre, J. Magn. Magn. Mater. 130, 197 (1994). [INSPEC]
   
5. K. Ounadjela, S.M. Thompson, J.F. Gregg, A. Azizi, M. Gester, and J.P. Deville, Phys. Rev. B 54, 12 252 (1996).
   
6. S.M. Jordan, J.F. Lawler, R. Schad, and H. van Kempen, J. Appl. Phys. (to be published).
   
7. B.M. Lairson, A.P. Payne, S. Brennan, N.M. Rensing, B.J. Daniels, and B.M. Clemens, J. Appl. Phys. 78, 4449 (1995).
   
8. Crystal GmbH, Ostendstrasse 2-14, 12459 Berlin, Germany.
   
9. M.J. Stirniman, C. Huang, R.S. Smith, S.A. Joyce, and B.D. Kay, J. Chem. Phys. 105, 1295 (1996).
   
10. M.A. Karolewski and R.G. Cavell, Surf. Sci. 271, 128 (1992). [INSPEC]
    
11. O. Robach, G. Renaud, and A. Barbier, Surf. Sci. 401, 227 (1998) (ScienceDirect). [INSPEC]
    
12. Digital Instruments Inc., 520 E. Montecito St., CA 93103.
    
13. F. Atamny and A. Baiker, Surf. Sci. 323, L314 (1995) (ScienceDirect). [INSPEC]
    
14. D. Keller, Surf. Sci. 253, 353 (1991). [INSPEC]
    
15. J.A. Blackman, B.L. Evans, and A.I. Maaroof, Phys. Rev. B 49, 13 863 (1994).
    
16. P. Sheng, in Electrical Transport and Optical Properties of Inhomogeneous Media, edited by J.C. Garland and D.B.Tanner, AIP Conf. Proc. 40 (AIP, New York, 1978), Chap. II, pp. 143–153. [SPIN]
    
17. J.Q. Xiao, J.S. Jiang, and C.L. Chien, Phys. Rev. Lett. 68, 3749 (1992).
    
18. S. Kreuzer, K. Prügl, G. Bayreuther, and D. Weiss, Thin Solid Films 318, 219 (1998) (ScienceDirect).
    
19. J.Q. Wang and G. Xiao, Phys. Rev. B 50, 3423 (1994).
    
20. Y. Park, S. Adenwalla, G.P. Felcher, and S.D. Bader, Phys. Rev. B 52, 12 779 (1995).
    
21. C. Liu, Y. Park, and S.D. Bader, J. Magn. Magn. Mater. 111, L225 (1992). [INSPEC]
    

  The American Physical Society is a member of CrossRef.

Citing Articles

1. Fabrication and magnetotransport properties of nanoscaled MnSb dots
   M. Mizuguchi et al., J. Appl. Phys. 87, 5639 (2000)
2. Growth of Fe on MgO(001) studied by He-atom scattering
   G. Fahsold et al., Phys. Rev. B 61, 8475 (2000)
3. Room-temperature thousandfold magnetoresistance change in MnSb granular films: Magnetoresistive switch effect
   H. Akinaga et al., Appl. Phys. Lett. 76, 357 (2000)