Record link: 
http://hdl.handle.net/20.500.12708/137895
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Title: 
Two-dimensional surface phase diagram of a multicomponent perovskite oxide: La0.8Sr0.2MnO3(110)
en
Citation: 
Franceschi, G., Schmid, M., Diebold, U., & Riva, M. (2021). Two-dimensional surface phase diagram of a multicomponent perovskite oxide: La0.8Sr0.2MnO3(110). Physical Review Materials, 5(L092401), 1–7. https://doi.org/10.1103/PhysRevMaterials.5.L092401
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Publisher DOI: 
10.1103/PhysRevMaterials.5.L092401
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Franceschi, Giada 
Schmid, Michael 
Diebold, Ulrike 
Riva, Michele 
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Organisational Unit: 
E134-05 - Forschungsbereich Surface Physics 
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Journal: 
Physical Review Materials 
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ISSN: 
2475-9953
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Date (published): 
2021
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Number of Pages: 
7
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Publisher: 
AMER PHYSICAL SOC
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Peer reviewed: 
Yes
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Keywords: 
General Materials Science; Physics and Astronomy (miscellaneous)
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Abstract: 
The many surface reconstructions of (110)-oriented lanthanum strontium manganite (La0.8Sr0.2MnO3, LSMO) were followed as a function of the oxygen chemical potential (μO) and the surface cation composition. Decreasing μO causes Mn to migrate across the surface, enforcing phase separation into A-site-rich areas and a variety of composition-related, structurally diverse B-site-rich reconstructions. The composition of these phase-separated structures was quantified with scanning tunneling microscopy, and these results were used to build a two-dimensional phase diagram of the LSMO(110) equilibrium surface structures.
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Research Areas: 
Materials Characterization: 100%
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Science Branch: 
Physik, Astronomie
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