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Atomic Number Contrast of Barium (Ba) - Practical Electron Microscopy and Database - - An Online Book - |
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| Microanalysis | EM Book https://www.globalsino.com/EM/ | ||||||||
| This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers. | ||||||||
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In Figure 3092, the intensities of the Nb and Ni atom columns in [010] direction shows the -Ni-Nb-Nb- ordering in Ba3NiNb2O9 in P-3m1 (164) space group. Its lattice parameters are a = b = 5.7550(5) Å and c = 7.0656(2) Å.
Figure 3092. HAADF intensities of the Nb and Ni atom columns in [010] direction showing the -Ni-Nb-Nb- ordering. Brightest contrast: Ba (Z=88); brighter contrast: Nb (Z = 73); weak contrast: Ni (Z=46). [1]
[1] Jungmin Hwang, Magnetoelectric and Multiferroic Properties in Layered 3d Transition Metal Oxides, thesis, 2012.
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