La0.7Sr0.3MnO3/SrTiO3-(001) Heterostructure, Brown Millerite Oxygen Vacancies Formula: La0.7Sr0.3MnO3 Core Loss

Submitted by magnunor, February 10, 2016.

Author Comments: 35 nm La0.7Sr0.3MnO3 thin film grown on SrTiO3-(001) using PLD. After 1.5 years, brownmillerite structure (La0.7Sr0.3MnO2.5) had formed in the thin film.

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Spectrum Metadata

Specimen Name
ARM 200cF
Spectrum Type
Core Loss
Specimen Formula
La0.7Sr0.3MnO3
Data Range
644.7 eV - 682.8 eV
Elemental Edges
Mn_L2,3
Associated Spectra
CL La0.7Sr0.3MnO3/SrTiO3-(001) heterostructure
CL La0.7Sr0.3MnO3/SrTiO3-(001) heterostructure, oxygen vacancies
Microscope Name / Model
ARM 200cF
Gun Type
Cold Field Emission Gun
Incident Beam Energy
200 kV
Resolution
0.7 eV
Monochromated
No
Dispersion
0.1 eV/pixel
Acquisition Mode
stem
Convergence Semi-angle
27.42 mrad
Collection Semi-angle
66.89 mrad
Detector
GIF Quantum ER
Dark Current Correction
No
Gain Variation Spectrum
No
Calibration
Zero loss
Reference
M. Nord, P. E. Vullum, M. Moreau, J. E. Boschker, S. M. Selbach, R. Holmestad, T. Tybell (2015). Structural phases driven by oxygen vacancies at the La0.7Sr0.3MnO3/SrTiO3 hetero-interface Appl. Phys. Lett. 106:4 041604
DOI
10.1063/1.4906920
Reference URL
http://dx.doi.org/10.1063/1.4906920