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Reet (talk | contribs)
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1,736 edits
m →RS viewer: correcting spelling
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===RS viewer===
===RS viewer===
RS viewer is an utility for simulating and viewing the reciprocal space for one or more materials at a time. In the old software this was called 'Diffraction Space Simulation'. The utility is handy for finding 2θ angles, and how to position the goniometer for measuring in screwed geometry. The RS viewer can be opened from either the measurement tan or the HRXRD tab, by clicking the button in at the ribbon.
RS viewer is an utility for simulating and viewing the reciprocal space for one or more materials at a time. In the old software this was called 'Diffraction Space Simulation'. The utility is handy for finding 2θ angles, and how to position the goniometer for measuring in a skewed geometry. The RS viewer can be opened from either the XRD Measurement tab or the HRXRD tab by clicking the button on the ribbon.


In the RS viewer it is possible to make a sample model consisting of substrates and a number og layers on to. Unfortunately it is not possible to change the concentrations of different atoms in a composition as it is in the HRXRD sample building. But for each layer it is possible to change sample axis, eg. changing the substrate normal from (0 0 1) to (1 1 1). Using the RS viewer for setting up a Reciprocal space mapping (RSM) are done this way:
In the RS viewer it is possible to make a sample model consisting of substrates and a number of layers on top. Unfortunately it is not possible to change the concentrations of different atoms in a composition as it is in the HRXRD sample building. But for each layer it is possible to change sample axis, e. g. changing the substrate normal from (0 0 1) to (1 1 1). Using the RS viewer for setting up Reciprocal space mapping (RSM) is done in this way:
*Sample:
*Sample:
**Change the substrate to right material.
**Change the substrate to the desired material.
**Check that 'Normal Sz' under 'Sample Axes' is correct.
**Check that 'Normal Sz' under 'Sample Axes' is correct.
**Add layers by right clicking on an existing layer and click Insert New Layer.
**Add layers by right clicking on an existing layer and click Insert New Layer.
**Configure added layer with material and expected orientation.
**Configure the added layer(s) with the material type and expected orientation.
*Measurement:
*Measurement:
**Chose the goniometer geometry wanted used in the measurement, often Inplane is wanted to avoid tilting the sample.
**Choose the goniometer geometry desired for the measurement. Often In-plane is wanted to avoid tilting the sample.
**Chose if the reflection is symmetric or asymmetric for Out of plane (ω step).
**Choose if the reflection is symmetric or asymmetric for Out-of-plane (ω step).
**Chose X-ray target as Cu-K&alpha;<sub>1</sub>.
**Choose X-ray target as Cu-K&alpha;<sub>1</sub>.
*Reflection information:
*Reflection information:
**Select the layer for measurement.
**Select the layer for measurement.
**Select the reflection for measurement, either by clicking on the simulation map or by typing in the number. Only allowed reflections in the chosen geometry are shown.
**Select the reflection for measurement, either by clicking on the simulation map or by typing in the number. Only allowed reflections in the chosen geometry are shown.
**In the reflection box, infomation about the reflection, like 2&theta; |F|, |F|<sup>2</sup> and the incident and reflected angles are listed.
**In the reflection box, information about the reflection, like 2&theta; |F|, |F|<sup>2</sup> and the incident and reflected angles are listed.
**The five relevant axes for RSM configuration are listed below.
**The five relevant axes for RSM configuration are listed below.
**Numbers at the left side of the slider are offsets needed for the measurement.
**Numbers at the left side of the slider are offsets needed for the measurement.
**To the right it is possible to chose if the measurement should be done relative to the offset or in absolute values.
**To the right it is possible to choose if the measurement should be done relative to the offset or in absolute values.
**For the relevant axes, the measurement range can be set.
**For the relevant axes, the measurement range can be set.
**At the bottom, show area will highlight the measurement area defined, and offsets can be send to the goniometer, while areas can be send to measurement configuration.
**At the bottom, "show area" will highlight the measurement area defined, and offsets can be sent to the goniometer, while areas can be sent to measurement configuration.


For more information please click on ? in the RS viewer window or see [http://labmanager.dtu.dk/view_binary.php?fileId=4249 LabManager].
For more information please click on ? in the RS viewer window or see [http://labmanager.dtu.dk/view_binary.php?fileId=4249 LabManager].
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