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Summary
DescriptionPerovskite oxide thin film.jpg |
English: This shows an atomic resolution scanning transmission electron microscopy image of a perovskite oxide thin film system. The perovskite oxides La0.7SrMnO3 and LaFeO3 has been deposited onto a SrTiO3-(111) substrate, using pulsed laser deposition. The image has been acquired with the electron parallel to SrTiO3's [1-10] direction. |
Date | |
Source | Own work |
Author | Magnunor |
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Code
from scipy.ndimage import rotate import matplotlib.pyplot as plt import matplotlib.patheffects as patheffects import matplotlib.font_manager as fm from mpl_toolkits.axes_grid1.anchored_artists import AnchoredSizeBar from ase.visualize.plot import plot_atoms from ase.lattice.spacegroup import crystal import hyperspy.api as hs # Load, rotate and crop data s_adf = hs.load("s007_ADF.hdf5") # From https://zenodo.org/record/3476746 s_adf.data = rotate(s_adf.data, angle=95.4, reshape=False) s_adf_crop = s_adf.isig[:, 88:-88] aspect_ratio = s_adf_crop.data.shape[0] / s_adf_crop.data.shape[1] # Making figure fig, ax = plt.subplots(figsize=(7, 7 * aspect_ratio)) ax.imshow(s_adf_crop, extent=s_adf_crop.axes_manager.signal_extent) xmin = s_adf_crop.axes_manager[0].low_value xmax = s_adf_crop.axes_manager[0].high_value ymin = s_adf_crop.axes_manager[1].low_value ymax = s_adf_crop.axes_manager[1].high_value # Annotations path_effects = [patheffects.withStroke(linewidth=3, foreground='black', capstyle="round")] text_kwargs = {'fontsize': 38, 'color': 'white', 'path_effects': path_effects, 'transform': ax.transAxes} ax.text(0.05, 0.05, "SrTiO$_3$", ha="left", va="bottom", **text_kwargs) ax.text(0.05, 0.40, "LaFeO$_3$", ha="left", va="bottom", **text_kwargs) ax.text(0.05, 0.80, "La$_{0.7}$Sr$_{0.3}$MnO$_3$", ha="left", va="bottom", **text_kwargs) # Scalebar fontprops = fm.FontProperties(size=30) kwargs_sizebar = {'loc': 4, 'frameon': False, 'color': 'white', 'label_top': False} scalebar = AnchoredSizeBar(transform=ax.transData, size=2, label=u'2 nm', size_vertical=0.15, fontproperties=fontprops, **kwargs_sizebar) ax.add_artist(scalebar) scalebar.txt_label._text.set_path_effects(path_effects) # Plotting atom structure srtio3 = crystal( ['Sr','Ti','O'], [(0.0, 0.0, 0.0), (0.5, 0.5, 0.5), (0.5, 0.5, 0)], spacegroup=221, cellpar=3.905, size=(4, 4, 4)) plot_atoms(srtio3, ax, radii=0.43, rotation=('45x,0y,35z'), scale=0.100, offset=(7.35, 4.12), show_unit_cell=False) ax.set_xlim(xmin, xmax) ax.set_ylim(ymin, ymax) ax.set_axis_off() fig.subplots_adjust(0, 0, 1, 1) fig.savefig("perovskite_oxide_thin_film.jpg", dpi=200)
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author name string: Magnunor
Wikimedia username: Magnunor
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Creative Commons Attribution-ShareAlike 4.0 International
inception
18 October 2019
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image/jpeg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:14, 18 October 2019 | 1,400 × 1,272 (646 KB) | Magnunor | User created page with UploadWizard |
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