diff --git a/cif_pow.dic b/cif_pow.dic index fe53c72..1d73eb5 100644 --- a/cif_pow.dic +++ b/cif_pow.dic @@ -6484,6 +6484,118 @@ save_PD_INSTR _name.object_id PD_INSTR _category_key.name '_pd_instr.id' + loop_ + _description_example.case + _description_example.detail +; + _diffrn_radiation.id Hires_tube + + loop_ + _diffrn_radiation_wavelength.id + _diffrn_radiation_wavelength.type + _diffrn_radiation_wavelength.value + 1 'Cu K\a~1~' 1.540596 + + _pd_instr.id b4131be5 + _pd_instr.geometry + ; + Bragg-Brentano, pre-specimen double-bounce monochromator. + Dual strip detectors covering ~20° each. Scanned to cover all angles. + ; + _pd_instr.2theta_monochr_pre 45.31 + _pd_instr.monochr_pre_spec 'Ge 220' + _pd_instr.divg_eq_mono_spec 0.2 + _pd_instr.cons_illum_flag no + _pd_instr.detector_circle_radius 320 + _pd_instr.dist_mono_spec 402 + _pd_instr.dist_src_mono 39 + _pd_instr.beam_size_ax 10.5 + _pd_instr.slit_ax_mono_spec 10.0 + _pd_instr.slit_eq_mono_spec 0.5 + _pd_instr.soller_ax_mono_spec 2.5 + _pd_instr.source_size_ax 12 + _pd_instr.source_size_eq 0.4 + _pd_instr.location 'Physics, Anytown University.' +; +; + This instrument is identified by the id b4131be5. The instrument is + described as a Bragg-Brentano diffractometer with a pre-specimen, + double-bounce Ge 220 monochromator. It has two detectors; these are not + described here, see PD_INSTR_DETECTOR. The monochromator is set at + 45.31° 2θ. The equatorial divergence between the monochromator and + specimen is fixed at 0.2°; this instrument is not run in constant + illumination length mode. + + The distance from the virtual source to the specimen for all + measurement points is 320 mm, whereas the distance from the + monochromator to the specimen is 402 mm. The monochromator is + situated 39 mm from the source. The width of the beam on the specimen, + in the axial direction, is 10.5 mm, and the width of the beam is + defined at the monochromator by a 10 mm mask. There is a 0.5 mm + equatorial slit between the monochromator and specimen, which can be + assumed to be on the detector circle, and acts as the virtual source. + + There are 2.5° axial Soller slits between the monochromator and the + specimen. The size of the source in the X-ray tube is 12 x 0.4 mm. + + The instrument is located in the Department of Physics in Anytown + University. + + The radiation used in the instrument is defined by data names from the + DIFFRN_RADIATION_WAVELENGTH category. In this case, it is pure Cu K\a~1~ + radiation with a wavelength of 1.540596 Å. +; +; + _diffrn_radiation.id Cobalt_tube + loop_ + _diffrn_radiation_wavelength.id + _diffrn_radiation_wavelength.value + _diffrn_radiation_wavelength.wt + _diffrn_radiation_wavelength.type + _diffrn_radiation_wavelength.details + 1 1.7889847 0.378 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 2 1.7892524 0.144 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 3 1.7896946 0.127 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 4 1.7888515 0.088 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 5 1.7927905 0.197 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 6 1.7930637 0.095 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + 7 1.7934738 0.050 'Co K\a' 'G. Hölzer et al. Phys. Rev. A 56, 4554' + + _pd_instr.id 58b6d83b + _pd_instr.geometry Bragg-Brentano + _pd_instr.cons_illum_len 12.0 + _pd_instr.detector_circle_radius 117.5 + _pd_instr.dist_src_spec 117.5 + _pd_instr.beam_size_ax 9.8 + _pd_instr.slit_ax_src_spec 9.5 + _pd_instr.soller_ax_src_spec 5.0 + _pd_instr.source_size_ax 8.5 + _pd_instr.source_size_eq 0.4 + _pd_instr.location + 'ACME Measurements, 123 Main St. Maintown.' +; +; + This instrument is identified by the id 58b6d83b. The instrument is + described as a Bragg-Brentano diffractometer. The instrument is run + with a constant illumination length of 12 mm. + + The distance from the source to the specimen for all measurement points + is 117.5 mm, which is identical to the distance from the source to the + specimen, as the X-ray tube is mounted on the detector circle. The width + of the beam on the specimen, in the axial direction, is 9.8 mm, and the + width of the beam is defined at the source by a 9.5 mm mask. + + There are 5.0° axial Soller slits between the source and the specimen. + The size of the source in the X-ray tube is 8.5 x 0.4 mm. + + The instrument is located at ACME Measurements in Maintown. + + The radiation used in the instrument is defined by data names from the + DIFFRN_RADIATION_WAVELENGTH category. In this case, it is Co K\a + radiation as described by the constituent seven wavelengths, as + described by G. Hölzer et al. Phys. Rev. A 56, 4554. +; + save_ save_pd_instr.2theta_monochr_pre @@ -13659,8 +13771,9 @@ save_ disparate loop; they cannot be assigned values independently. Added examples to PD_CALC_OVERALL, PD_CALIB_INCIDENT_INTENSITY, PD_CHAR, - PD_DIFFRACTOGRAM, PD_MEAS_OVERALL, PD_PEAK, _pd_phase.id, PD_PHASE_MASSS, - PD_PREP, PD_PROC_LS, PD_QPA_CALIB_FACTOR, PD_QPA_INTERNAL_STD, PD_SPEC. + PD_DIFFRACTOGRAM, PD_INSTR, PD_MEAS_OVERALL, PD_PEAK, _pd_phase.id, + PD_PHASE_MASSS, PD_PREP, PD_PROC_LS, PD_QPA_CALIB_FACTOR, + PD_QPA_INTERNAL_STD, PD_SPEC. Add _pd_peak.overall_id.