2.3.3.3.212. NXxrd_pan¶
Status:
application definition, extends NXxrd
Description:
NXxrd_pan is a specialisation of NXxrd with extra properties ...
NXxrd_pan is a specialisation of NXxrd with extra properties for the PANalytical XRD data format.
Symbols:
No symbol table
- Groups cited:
NXdata, NXdetector, NXentry, NXinstrument, NXobject, NXsample, NXsource
Structure:
data_file: (optional) NX_CHAR
Name of the data file.
measurement_type: (required) NX_CHAR
Type of measurement.
definition: (required) NX_CHAR ⤆
Official NeXus NXDL schema to which this file conforms. ...
Official NeXus NXDL schema to which this file conforms.
Obligatory value:
NXxrd_pan
method: (required) NX_CHAR
Method used to collect the data ...
Method used to collect the data default=’X-Ray Diffraction (XRD)’
Obligatory value:
X-Ray Diffraction (XRD)
INSTRUMENT: (required) NXinstrument ⤆
xray_tube_material: (required) NX_CHAR
Type of the X-ray tube. ...
Type of the X-ray tube.
Any of these values:
Cu
|Cr
|Mo
|Fe
|Ag
|In
|Ga
xray_tube_current: (required) NX_FLOAT {units=NX_CURRENT}
Current of the X-ray tube.
xray_tube_voltage: (required) NX_FLOAT {units=NX_VOLTAGE}
Voltage of the X-ray tube.
k_alpha_one: (required) NX_FLOAT {units=NX_WAVELENGTH}
k_alpha_two: (required) NX_FLOAT {units=NX_WAVELENGTH}
ratio_k_alphatwo_k_alphaone: (required) NX_FLOAT {units=NX_DIMENSIONLESS}
Ku03b1 2/Ku03b1 1 intensity ratio.
kbeta: (optional) NX_FLOAT {units=NX_WAVELENGTH}
source_peak_wavelength: (optional) NX_FLOAT {units=NX_WAVELENGTH}
Wavelength of the X-ray source. Used to convert from 2-theta to Q.
DETECTOR: (required) NXdetector ⤆
experiment_config: (optional) NXobject
Collect user inputs e.g. name or path of the input file.
beam_attenuation_factors: (required) NX_CHAR
Beam attenuation factors over the path.
goniometer_x: (optional) NX_FLOAT {units=NX_LENGTH}
Goniometer position X.
goniometer_y: (optional) NX_FLOAT {units=NX_LENGTH}
Goniometer position Y.
goniometer_z: (optional) NX_FLOAT {units=NX_LENGTH}
Goniometer position Z
count_time: (required) NX_FLOAT {units=NX_TIME}
Total time of count.
two_theta: (required) NXobject
omega: (required) NXobject
experiment_result: (required) NXdata ⤆
All experiment results data such as scattering angle (2theta), ...
All experiment results data such as scattering angle (2theta), intensity, incident angle, scattering vector, etc will be stored here.
intensity: (required) NX_FLOAT (Rank: 1, Dimensions: [nDet])
Number of scattered electrons per unit time.
two_theta: (required) NX_FLOAT (Rank: 1, Dimensions: [nDet]) {units=NX_ANGLE}
Two-theta (scattering angle) of the diffractogram.
omega: (optional) NX_FLOAT (Rank: 1, Dimensions: [nDet]) {units=NX_ANGLE}
Incident angle of the diffractogram.
phi: (optional) NX_FLOAT (Rank: 1, Dimensions: [nDet]) {units=NX_ANGLE}
The phi range of the diffractogram.
chi: (optional) NX_FLOAT (Rank: 1, Dimensions: [nDet]) {units=NX_ANGLE}
The chi range of the diffractogram
q_parallel: (optional) NX_FLOAT {units=NX_ANY}
The scattering vector component, which is parallel to the sample surface.
q_perpendicular: (optional) NX_FLOAT {units=NX_ANY}
The scattering vector component, which is perpendicular to the sample surface.
q_norm: (optional) NX_FLOAT {units=NX_ANY}
The norm value of the scattering vector, q. The scattering vector is defin ...
The norm value of the scattering vector, q. The scattering vector is defined as a difference between the incident and scattered wave vectors. For details: https://en.wikipedia.org/wiki/Powder_diffraction and https://theory.labster.com/scattering-vector/
The desired view for scattering vectors.
q: (optional) NX_FLOAT
This concept corresponds to the norm value of the scattering vector(q). ...
This concept corresponds to the norm value of the scattering vector(q). The concept is the same as ‘q_norm’ of ‘experiment_result’ and should be linked to /entry[ENTRY]/experiment_result/q_norm.
intensity: (optional) NX_FLOAT
Number of scattered electrons per unit time at each scattering vector (q) ...
Number of scattered electrons per unit time at each scattering vector (q) value. The concept is the same as the ‘intensity’ of experiment_result and should be linked to /entry[ENTRY]/experiment_result/intensity.
q_parallel: (optional) NX_FLOAT
The scattering vector (q) component, which is parallel to the sample surfa ...
The scattering vector (q) component, which is parallel to the sample surface. This component is used in the Reciprocal Space Mapping (RSM) technique of X-ray diffraction method.
The concept is the same as ‘q_parallel’ of experiment_result, and should be linked to /entry[ENTRY]/experiment_result/q_parallel.
q_perpendicular: (optional) NX_FLOAT
The scattering vector component, which is perpendicular to the sample surf ...
The scattering vector component, which is perpendicular to the sample surface.
The concept is the same as ‘q_perpendicular’ of experiment_result, and should be linked to /entry[ENTRY]/experiment_result/q_perpendicular.
Description on sample.
sample_mode: (required) NX_CHAR
Mode of sample.
sample_id: (required) NX_CHAR ⤆
Id of sample.
sample_name: (required) NX_CHAR
Usually in xrd sample are being analysed, but sample might be identified b ...
Usually in xrd sample are being analysed, but sample might be identified by assumed name or given name.
Hypertext Anchors¶
List of hypertext anchors for all groups, fields, attributes, and links defined in this class.
/NXxrd_pan/ENTRY/experiment_config/beam_attenuation_factors-field
/NXxrd_pan/ENTRY/INSTRUMENT/SOURCE/k_alpha_one@units-attribute
/NXxrd_pan/ENTRY/INSTRUMENT/SOURCE/k_alpha_two@units-attribute
/NXxrd_pan/ENTRY/INSTRUMENT/SOURCE/ratio_k_alphatwo_k_alphaone-field
/NXxrd_pan/ENTRY/INSTRUMENT/SOURCE/source_peak_wavelength-field