BT-1 High Resolution Powder Diffractometer
Instrument Response Function
BT-1 instrumental resolution as
FWHM(Q) (Å-1) as a function of Q (Å-1)
using each of the three monochromators and looking at both the 7' and 15' collimation.
Monochromator information
| Monochromator |
in-pile
Collimation
(arcmin) |
Monochr.
2Theta
|
Relative
Bragg
Intensities |
Flux
(n s-1cm-2) |
Wavelength
(Å) |
Relative # of
reflections |
| Ge(311) |
60' |
75o |
5.78 |
1,160,000 |
2.079 |
50 |
| Ge(311) |
15' |
75o |
2.86 |
570,000 |
2.079 |
50 |
| Ge(311) |
7' |
75o |
1.44 |
290,000 |
2.079 |
50 |
| Cu(311) |
60' |
90o |
1.84 |
870,000 |
1.540 |
100 |
| Cu(311) |
15' |
90o |
1.00 |
440,000 |
1.540 |
100 |
| Cu(311) |
7' |
90o |
0.54 |
230,000 |
1.540 |
100 |
| Ge(733) |
60' |
120o |
0.31 |
330,000 |
1.197 |
200 |
| Ge(733) |
15' |
120o |
0.20 |
200,000 |
1.197 |
200 |
| Ge(733) |
7' |
120o |
0.11 |
120,000 |
1.197 |
200 |
