Interfacial intermixing in Sr R u O  3 / P r 0.7  C a 0.3  M n O  3  epitaxial superlattices: A  HAADF ‐ STEM  study | Zendy

Hillebrand Reinald | Zendy; Pippel Eckhard | Zendy; Vrejoiu Ionela | Zendy; Hesse Dietrich | Zendy

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Interfacial intermixing in Sr R u O 3 / P r 0.7 C a 0.3 M n O 3 epitaxial superlattices: A HAADF ‐ STEM study

Author(s) -

Hillebrand Reinald,

Pippel Eckhard,

Vrejoiu Ionela,

Hesse Dietrich

Publication year - 2014

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201329332

Subject(s) - superlattice , annealing (glass) , materials science , crystallography , epitaxy , thermal stability , analytical chemistry (journal) , x ray crystallography , chemistry , diffraction , nanotechnology , optics , physics , optoelectronics , organic chemistry , composite material , layer (electronics) , chromatography

We quantitatively interpret HAADF‐STEM images of SrRuO 3 /Pr 0.7 Ca 0.3 MnO 3 (SRO/PCMO) superlattices. The images were taken in a probe‐corrected ( c s = 0) FEI microscope at 300 kV. The specimen thickness is estimated by comparing experimental and simulated Z ‐contrast ratios. The intermixing at the interfaces is different for the growth of SRO on PCMO and that of PCMO on SRO. In addition, the thermal stability of SRO/PCMO superlattices is studied by HAADF‐STEM, based on a series of annealing experiments. Colored HAADF‐STEM image ( V = 300 kV, c s = 0 mm) of part of a SrRuO 3 /Pr 0.7 Ca 0.3 MnO 3 epitaxial superlattice.

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