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D. Chateigner, L. Lutterotti, O. Pérez, Ph. Boullay, B. Mc Mahon, J.R. Helliwell IUT-UCBN, CRISMAT, Caen, France Dept. Eng. Mat., Univ. Trento, I International Union of Crystallography, Chester, UK X-rays and electrons diffraction for nanopowders CODATA-VAMAS, Nano Task Group Workshop, Paris, 30-31st May 2013

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Page 1: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

D. Chateigner, L. Lutterotti, O. Pérez, Ph. Boullay, B. Mc Mahon, J.R. Helliwell

IUT-UCBN, CRISMAT, Caen, France

Dept. Eng. Mat., Univ. Trento, I International Union of Crystallography, Chester, UK

X-rays and electrons diffraction for nanopowders

CODATA-VAMAS, Nano Task Group Workshop, Paris, 30-31st May 2013

Page 2: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

EMT nanocrystalline zeolite

Ng, Chateigner, Valtchev, Mintova: Science 335 (2012) 70

Page 3: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Crystallite size (Å) along

Film thickness 10nm 15nm 20nm 25nm 35nm 40nm

[111] 176 153 725 254 343 379 [200] 64 103 457 173 321 386 [202] 148 140 658 234 337 381

10 nm 15 nm 20 nm

25 nm 35 nm 40 nm

Gold thin films

Page 4: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Microstructure of nanocrystalline materials: TiO2 rutile

20nm

► quantitative analysis of electron powder diffraction (ring) pattern ?

Page 5: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Intensity-spectra extraction

Page 6: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Full-Pattern Search-Match

www.iutcaen.unicaen.fr

Rutile nanocrystalline Electron Powder Diffraction pattern

Page 7: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

<Rh> = R0 + R1P20(x) + R2P2

1(x)cosϕ + R3P21(x)sinϕ + R4P2

2(x)cos2ϕ + R5P22(x)sin2ϕ + ...

Reflection for 3h (100mg)

TEM in seconds (few µg)

Page 8: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron
Page 9: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

TiO2 nanopowders

Page 10: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Popa R0 + R1

Page 11: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

Popa up to R4

Page 12: X-rays and electrons diffraction for · PDF fileX-rays and electrons diffraction for ... Nano Task Group Workshop, Paris, 30-31st May 2013. EMT ... quantitative analysis of electron

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