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Papavassiliou G, Belesi M, Fardis M, et al. (139)La NMR investigation of quasistatic orbital ordering in La(1-x)Ca(x)MnO(3). Phys Rev Lett. 2001;87(17):177204doi: 10.1103/PhysRevLett.87.177204.
Papavassiliou, G., Belesi, M., Fardis, M., & Dimitropoulos, C. (2001). (139)La NMR investigation of quasistatic orbital ordering in La(1-x)Ca(x)MnO(3). Physical review letters, 87(17), 177204. https://doi.org/10.1103/PhysRevLett.87.177204
Papavassiliou, G, et al. "(139)La NMR investigation of quasistatic orbital ordering in La(1-x)Ca(x)MnO(3)." Physical review letters vol. 87,17 (2001): 177204. doi: https://doi.org/10.1103/PhysRevLett.87.177204
Papavassiliou G, Belesi M, Fardis M, Dimitropoulos C. (139)La NMR investigation of quasistatic orbital ordering in La(1-x)Ca(x)MnO(3). Phys Rev Lett. 2001 Oct 22;87(17):177204. doi: 10.1103/PhysRevLett.87.177204. Epub 2001 Oct 04. PMID: 11690307.
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Phys Rev Lett. 2001 Oct 22;87(17):177204. doi: 10.1103/PhysRevLett.87.177204. Epub 2001 Oct 04.

(139)La NMR investigation of quasistatic orbital ordering in La(1-x)Ca(x)MnO(3).

Physical review letters

G Papavassiliou, M Belesi, M Fardis, C Dimitropoulos

Affiliations

  1. Institute of Materials Science, National Center for Scientific Research Demokritos, 153 10 Athens, Greece.

PMID: 11690307 DOI: 10.1103/PhysRevLett.87.177204

Abstract

We report (139)La nuclear magnetic resonance in ferromagnetic and insulating (FMI) La(1-x)Ca(x)MnO(3), 0.10< or =x< or =0.20, which at low temperatures shows the formation of Mn octants with enhanced Mn-O wave function overlapping and electron-spin alignment. The rapid increase of the relaxation rates and the "wipeout" of the (139)La NMR signal intensity on heating, imply a quasistatic character for the Mn octant cells in the FMI phase, which freeze below a transition temperature T(f).

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