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Atomic-scale analysis of interfaces in an all-oxide magnetic tunnel junction

Published online by Cambridge University Press:  03 October 2003

J.-L. Maurice
Affiliation:
Unité Mixte de Physique CNRS/Thales, 91404 Orsay, France
F. Pailloux
Affiliation:
Unité Mixte de Physique CNRS/Thales, 91404 Orsay, France
D. Imhoff
Affiliation:
Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay, France
N. Bonnet
Affiliation:
UMR-S INSERM 514 and LERI, University of Reims, 51092 Reims Cedex, France
L. Samet
Affiliation:
Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay, France
A. Barthélémy
Affiliation:
Unité Mixte de Physique CNRS/Thales, 91404 Orsay, France
J.-P. Contour
Affiliation:
Unité Mixte de Physique CNRS/Thales, 91404 Orsay, France
C. Colliex
Affiliation:
Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay, France
A. Fert
Affiliation:
Unité Mixte de Physique CNRS/Thales, 91404 Orsay, France
Corresponding
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Abstract

We use High Resolution Electron Microscopy (HRTEM) together with Electron Energy Loss Spectroscopy (EELS) to analyze the crystallography and the chemical configuration of interfaces in a state-of-the-art La2/3Sr1/3MnO3/SrTiO3/La2/3Sr1/3MnO3 tunnel junction. EELS indicates that manganese ions keep their bulk valency up to the last atomic plane in contact with the insulator. Tunnel magnetoresistance however decreases with temperature faster than magnetisation in these samples. Quantitative HRTEM reveals some local departures from chemical abruptness at the interfaces, which could play a role in this decrease.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 2003

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References

Lu, Y., Li, X.W., Gong, G.Q., Xiao, G., Guptaz, A., Lecoeur, P., Sun, J.Z., Wang, Y.Y., Dravid, V.P., Phys. Rev. B 54, 8357 (1996) CrossRef
Viret, M., Drouet, M., Contour, J.-P., Nassar, J., Fermon, C., Fert, A., Europhys. Lett. 39, 545 (1997)
Bowen, M., Bibes, M., Barthélémy, A., Contour, J.-P., Anane, A., Lemaître, Y., Fert, A., Appl. Phys. Lett. 82, 233 (2003) CrossRef
De Teresa, J.-M., Barthélémy, A., Fert, A., Contour, J.-P., Lyonnet, R., Montaigne, F., Seneor, P., Vaures, A., Phys. Rev. Lett. 82, 4288 (1999); Science 286, 507 (1999) CrossRef
Fert, A. et al., Mater. Sci. Eng. B 84, 1 (2001) CrossRef
Dulli, H., Dowben, P.A., Liou, S.-H., Plummer, E.W., Phys. Rev. B 62, R14629 (2000) CrossRef
Bertacco, R., Contour, J.-P., Barthélémy, A., Olivier, J., Surf. Sci. 511, 366 (2002) CrossRef
Hubler, G.K., MRS Bull. 17, 26 (1992) CrossRef
Contour, J.P., Sant, C., Ravelosona, D., Ficher, B., Patlagan, L., Jpn J. Appl. Phys. 32, 1134 (1993) CrossRef
Maurice, J.-L., Pailloux, F., Barthélémy, A., Rocher, A., Durand, O., Lyonnet, R., Contour, J.-P., Appl. Surf. Sci. 188, 176 (2002) CrossRef
J.-L. Maurice, F. Pailloux, A. Barthélémy, O. Durand, D. Imhoff, R. Lyonnet, A. Rocher, J.-P. Contour, Philos. Mag. (to be published)
Gommert, E., Cerva, H., Rucki, A., R.v. Helmolt, J. Wecker, C. Kuhrt, K. Samwer, J. Appl. Phys. 81, 5496 (1997) CrossRef
Lebedev, O.I., Van Tendeloo, G., Amelincks, S., Leibold, B., Habermeier, H.U., Phys. Rev. B 58, 80065 (1998) CrossRef
Bobo, J.F., Magnoux, D., Poers, R., Racquet, B., Ousset, J.C., Fert, A.R., Roucau, C., Baulès, P., Casanove, M.J., Snoeck, E., J. Appl. Phys. 87, 6773 (2000) CrossRef
Haghiri-Gosnet, A.-M., Wolfman, J., Mercey, B., Simon, Ch., Lecoeur, P., Korzenski, M., Hervieu, M., Desfeux, R., Baldinozzi, G., J. Appl. Phys. 88, 4257 (2000) CrossRef
Benedict, J., Anderson, R., Klepeis, S., Chaker, M., Mater. Res. Soc. Symp. Proc. 199, 189 (1990) CrossRef
Stadelmann, P., Ultramicroscopy 21, 131 (1987) CrossRef
Pailloux, F., Imhoff, D., Sikora, T., Barthélémy, A., Maurice, J.-L., Contour, J.-P., Colliex, C., Fert, A., Phys. Rev. B 66, 014417 (2002) CrossRef
Hammouche, A., Siebert, E., Hammou, A., Mater. Res. Bull. 24, 367 (1989) CrossRef
Ourmazd, A., Baumann, F.H., Bode, M., Kim, Y., Ultramicroscopy 34, 237 (1990) CrossRef
Maurice, J.-L., Lyonnet, R., Contour, J.P., J. Magn. Magn. Mater. 211, 91 (2000) CrossRef
Bonnet, N., J. Microsc. 190, 2 (1998) CrossRef
Rouvière, J.-L., Bonnet, N., Inst. Phys. Conf. Ser. 134, 11 (1993)
J.-L. Maurice, N. Bonnet, F. Pailloux, 4th Conf. of the French Society of Microscopy (SFµ), Toulouse, Sept. 2000
Maurice, J.-L., Schwander, P., Baumann, F.H., Ourmazd, A., Ultramicroscopy 68, 149 (1997) CrossRef
Jeanguillaume, C., Colliex, C., Ultramicroscopy 28, 252 (1989) CrossRef
Bonnet, N., Brun, N., Colliex, C., Ultramicroscopy 77, 97 (1999) CrossRef
Trebbia, P., Bonnet, N., Ultramicroscopy 34, 165 (1990) CrossRef
Samet, L., Imhoff, D., Maurice, J.-L., Contour, J.-P., Gloter, A., Manoubi, T., Fert, A., Colliex, C., Eur. Phys. J. B 34, 179 (2003) CrossRef
See, e.g., the review by Coey, J.M.D., Viret, M., von Molnár, S., Adv. Phys. 48, 167 (1999) CrossRef
Maurice, J.-L., Pailloux, F., Imhoff, D., Contour, J.-P., Barthélémy, A., Bowen, M., Colliex, C., Fert, A., MRS Proc. 746, 145 (2003)
Julière, M., Phys. Lett. A 54, 225 (1975) CrossRef
Calderón, M.J., Brey, L., Guinea, F., Phys. Rev. B 60, 6698 (1999) CrossRef
A. Khodan (private communication)

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Atomic-scale analysis of interfaces in an all-oxide magnetic tunnel junction
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