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X-ray powder diffractometer.

Published byAmberlynn Megan Chandler Modified over 6 years ago

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Presentation on theme: "X-ray powder diffractometer."— Presentation transcript:

1 X-ray powder diffractometer

2 X-ray powder diffractometer
film, image plate, or area detector

3 X-ray diffraction Braggs' law  = 2dhkl sin hkl Debye rings Diameters give s

4 X-ray powder diffractometer
film or image paper rarely used now

5 X-ray powder diffractometer
radiation counter

6 X-ray powder diffractometer

7 X-ray powder diffractometer

8 X-ray powder diffractometer

9 X-ray powder diffractometer

10 X-ray powder diffractometer

11 X-ray powder diffractometer

12 X-ray powder diffractometer

13 X-ray powder diffractometer

14 X-ray powder diffractometer

15 X-ray powder diffractometer

16 X-ray powder diffractometer

17 X-ray powder diffractometer

18 X-ray powder diffractometer

19 X-ray powder diffractometer

20 X-ray powder diffractometer

21 X-ray powder diffractometer
To maintain the focusing geometry, when counter is rotated at rate of 2/min, specimen is also rotated at rate of /min /min /min

22 X-ray powder diffractometer

23 X-ray powder diffractometer
Solid state detectors High energy (wavelength) resolution - no filter or monochromator needed Gives high intensities, very low backgrounds Problem with "deadtime"

24 X-ray powder diffractometer
Deadtime

25 X-ray powder diffractometer
Deadtime

26 X-ray powder diffractometer
Deadtime

27 X-ray powder diffractometer

28 X-ray powder diffractometer

29 X-ray powder diffractometer

30 X-ray powder diffractometer

31 X-ray powder diffractometer

32 X-ray powder diffractometer

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