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RECX Thin film metrology.

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Presentation on theme: "RECX Thin film metrology."— Presentation transcript:

1 RECX Thin film metrology

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9 XRR Phi-scan GIXRD Rocking curve Polar plot HRXRD / RSM Film thickness
Roughness Density Phi-scan In plane orientation GIXRD Enhance material probed Phase Stress Depth profiling Rocking curve Miscut Orientation Polar plot Texture HRXRD / RSM Texture Strain Orientation

10 XRR Phi-scan GIXRD Rocking curve Polar plot HRXRD / RSM Film thickness
Roughness Density Phi-scan In plane orientation GIXRD Enhance material probed Phase Stress Depth profiling Rocking curve Miscut Orientation Polar plot Texture HRXRD / RSM Texture Strain Orientation

11 XRR (X-ray reflectometry)
Reflectivity as function of angle to obtain information on: Film thickness Surface roughness Density

12 XRR (X-ray reflectometry)
Scattering from surfaces and interfaces at low angles, ~0-8o Variations in electron density arise from film thickness, roughness and density which can be determined for each layer ~50nm LaNiO3 on SrTiO3 Density Thickness Roughness k’ k Q Scattering occurs from variations in electron density Electron density Fouriertransform Refined parameters: LaNiO3 Thickness 48.98nm “ Roughness 0.30 nm “ Density 7.05 g/cm3 A surface layer of 1.4nm is also required to fully explain the results

13 XRR (X-ray reflectometry)
Layered thin films of Eu2O3 and TiO2 grown by ALD as conversion material with the aim of controlling the Eu-Eu distance.

14 XRR (X-ray reflectometry)
Layered thin films of Eu2O3 and TiO2 grown by ALD as conversion material with the aim of controlling the Eu-Eu distance. The double layer thicknesses: 10N = Å 20N = 15.9 Å 50N = 29.1 Å Half the double layer thickness of the 10N sample, 3.8 Å, is approx the same as the shortest Eu – Eu distance in cubic Eu2O3, 3.6 Å

15 XRR (X-ray reflectometry)

16 XRR Phi-scan GIXRD Rocking curve Polar plot HRXRD / RSM Film thickness
Roughness Density Phi-scan In plane orientation GIXRD Enhance material probed Phase Stress Depth profiling Rocking curve Miscut Orientation Polar plot Texture HRXRD / RSM Texture Strain Orientation

17 GIXRD (Grazing incident x-ray diffraction)
Increase the pathway through the sample Conventional q-2q

18 GIXRD (Grazing incident x-ray diffraction)
Increase the pathway through the sample GIXRD

19 GIXRD (Grazing incident x-ray diffraction)
A ZnO film of 200 nm deposited by ALD Conventional q-2q GIXRD

20 GIXRD (Grazing incident x-ray diffraction)
Depth profile analysis

21 XRR Phi-scan GIXRD Rocking curve Polar plot HRXRD / RSM Film thickness
Roughness Density Phi-scan In plane orientation GIXRD Enhance material probed Phase Stress Depth profiling Rocking curve Miscut Orientation Polar plot Texture HRXRD / RSM Texture Strain Orientation

22 HRXRD (High-resolution x-ray diffraction)
Increase the pathway through the sample

23 HRXRD (High-resolution x-ray diffraction)
Map the reciprocal space to obtain information on: Orientation Strain Texture … and a lot more…

24 HRXRD (High-resolution x-ray diffraction)

25 HRXRD (High-resolution x-ray diffraction)

26 HRXRD (High-resolution x-ray diffraction)

27 HRXRD (High-resolution x-ray diffraction)
Film of NaNbO3 on LaAlO3

28 XRR Phi-scan GIXRD Rocking curve Polar plot HRXRD / RSM Film thickness
Roughness Density Phi-scan In plane orientation GIXRD Enhance material probed Phase Stress Depth profiling Rocking curve Miscut Orientation Polar plot Texture HRXRD / RSM Texture Strain Orientation

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