Direct imaging of lattice-strain-induced stripe phases in an optimally doped manganite film
2007 | journal article. A publication with affiliation to the University of Göttingen.
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Direct imaging of lattice-strain-induced stripe phases in an optimally doped manganite film
Sudheendra, L.; Moshnyaga, V. T.; Mishina, E. D.; Damaschke, B.; Rasing, T. & Samwer, K. H. (2007)
PHYSICAL REVIEW B, 75(17) art. 172407. DOI: https://doi.org/10.1103/PhysRevB.75.172407
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Details
- Authors
- Sudheendra, L.; Moshnyaga, Vasily T.; Mishina, E. D.; Damaschke, Bernd; Rasing, Th.; Samwer, Konrad H.
- Abstract
- In a La0.75Ca0.25MnO3/MgO film without quenched disorder, we show insulating and metallic stripes above and below the Curie temperature (T-C), respectively, by a high-resolution scanning tunneling microscopy (STM) and/or spectroscopy measurement. Formation of these stripes involves competing charge, orbital, and lattice orders and is an outcome of an overlapping of electron wave functions mediated by the lattice strain. The presence of the quadrupolar contribution in the second-harmonic generation experiments supports the strain mediated charge-orbital stripes observed by STM.
- Issue Date
- 2007
- Status
- published
- Publisher
- Amer Physical Soc
- Journal
- PHYSICAL REVIEW B
- ISSN
- 2469-9969; 2469-9950
