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Nanodot Formation: Spontaneous Outcropping of Self‐Assembled Insulating Nanodots in Solution‐Derived Metallic Ferromagnetic La 0.7 Sr 0.3 MnO 3 Films (Adv. Funct. Mater. 13/2009)
Author(s) -
Moreno César,
Abellán Patricia,
Hassini Awatef,
Ruyter Antoine,
del Pino Angel Pérez,
Sandiumenge Felip,
Casanove MarieJose,
Santiso José,
Puig Teresa,
Obradors Xavier
Publication year - 2009
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200990058
Subject(s) - nanodot , materials science , epitaxy , ferromagnetism , oxide , metal , nanotechnology , condensed matter physics , layer (electronics) , metallurgy , physics
Epitaxial self‐assembled Sr‐La oxide insulating nanodots are formed through a new mechanism at the surface of an epitaxial metallic ferromagnetic La 0.7 Sr 0.3 MnO 3 film grown on SrTiO 3 from chemical solutions, as reported by C. Moreno et al. on page 2139 . TEM analysis reveals that, underneath the La‐Sr oxide nanodots, the film switches from the compressive out‐of‐plane stress component to a tensile component.