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Nanometer-scale phase separation in a colossal magnetoresistive manganite

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons126821

Rößler,  S.
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126595

Ernst,  S.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126861

Steglich,  F.
Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126910

Wirth,  S.
Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Zitation

Rößler, S., Ernst, S., Padmanabhan, B., Elizabeth, S., Bhat, H. L., Steglich, F., et al. (2008). Nanometer-scale phase separation in a colossal magnetoresistive manganite. Europhysics Letters, 83: 17009, pp. 17009-p1-17009-p5. doi:10.1209/0295-5075/83/17009.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0015-2840-C
Zusammenfassung
Scanning tunneling microscopy and spectroscopy were conducted over a broad temperature range on single crystals of Pr0.68Pb0.32MnO3. Spectroscopic studies revealed inhomogeneous maps of the zero-bias conductance with a broad distribution of the local conductivities only within a narrow temperature range close to the metal-insulator transition. An analysis of the conductance histograms based on these maps gave direct evidence for phase separation into insulating and conducting areas. This phase separation was found to be confined only to the transition region. Copyright (C) EPLA, 2008.