Imaging of Polarons in Ferromagnetic Bilayered Manganites by Scanning Tunnelling Microscopy

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Title		Imaging of Polarons in Ferromagnetic Bilayered Manganites by Scanning Tunnelling Microscopy
Authors		Santis, Silvia Bryant, Benjamin Warner, Marc Wang, Hai Kimura, Tsuyoshi Tokura, Yoshinori Renner, Christoph Bianconi, Antonio Aeppli, Gabriel show all authors [1 - 9]
Published in		Journal of Superconductivity and Novel Magnetism. 2007, vol. 20, no. 7-8, p. 531-533
Abstract		We report scanning tunnelling microscopy images of polaronic charge ordered patch on the layered ferromagnet La2−2x Sr1+2x Mn2O7, x=0.32. The spectroscopic investigation shows that the material is gapped above and below the critical temperature, where the gap changes from 500 to 800 mV, giving evidence for polaronic transport behaviour.
Keywords		Polarons — Scanning tunnelling microscopy — Nanoscale charge ordering — Manganites
Identifiers		DOI: 10.1007/s10948-007-0274-z
Full text		Article (Published version) (207 Kb) - Limited access to UNIGE Other version: http://link.springer.com/10.1007/s10948-007-0274-z
Structures		Faculté des sciences / Section de physique / Département de physique de la matière quantique
Citation (ISO format)		SANTIS, Silvia et al. Imaging of Polarons in Ferromagnetic Bilayered Manganites by Scanning Tunnelling Microscopy. In: Journal of Superconductivity and Novel Magnetism, 2007, vol. 20, n° 7-8, p. 531-533. https://archive-ouverte.unige.ch/unige:35918