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Bruker LYNXEYE XE User Manual

Bruker LYNXEYE XE User Manual

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D8 Series
User Manual
LYNXEYE XE User Manual
Original Instructions
XRD
Innovation with Integrity

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  • Page 1 D8 Series User Manual LYNXEYE XE User Manual Original Instructions Innovation with Integrity...
  • Page 2 All configurations and specifications are subject to change without notice. Order no. DOC-M88-EXX240 V1. Updated: March 11, 2014. © 2014 Bruker AXS GmbH, Karlsruhe, Germany. All trademarks and registered trademarks are the sole property of their respective owners. Printed in the Federal Republic of Germany.

  • Page 3: Table Of Contents

    Proper Lifting ......................... 1-4     Introduction ...................... 2-1     Basic Operation ....................3-1     LYNXEYE XE Power-Up Procedure ..................3-1     LYNXEYE XE Power-Down Procedure ................3-1     Performing a Measurement ....................3-1    ...
  • Page 4 User Manual LYNXEYE XE Detector System Description ..................4-1     The Detector .......................... 4-2     4.1.1 Detector Specifications ......................4-2     4.1.2 Environmental Ratings ......................4-3     4.1.3 Detector Components ......................4-4     4.1.4 Detector Cables and Connectors ................... 4-5  ...
  • Page 5 6.6.4 Setting the diffractometer to Default Values ................ 6-38     Preventive Maintenance and Troubleshooting ..........7-1     Cleaning the LYNXEYE XE Detector ................... 7-1     Troubleshooting ........................7-2     7.2.1 Display Data in the DIFFRAC.COMMANDER Window has Flatlined or is Nonexistent..7-2  ...
  • Page 6 User Manual LYNXEYE XE Detector (intentionally left blank) DOC-M88-EXX240 V1 – 03.2014...

  • Page 7: Safety Issues

    LYNXEYE XE Detector User Manual LYNXEYE XE™ Detector User Manual 1 Safety Issues This manual contains notices which you should follow to ensure your own personal safety, as well as to protect the product and connected equipment. These notices are highlighted in the manual by a...

  • Page 8: Qualified Personnel

    LYNXEYE XE Detector 1.1 Qualified Personnel The LYNXEYE XE™ may only be set up and operated in conjunction with this manual. Only personnel authorized by Bruker AXS is allowed to work on this equipment. All repairs, adjustments and align- ments performed on any components of the LYNXEYE XE must be carried out strictly in accordance with the established safety practices and standards of the country where the equipment is installed.
  • Page 9 Inside the LYNXEYE XE, Bias voltages up to 500 V DC can occur which are not accessible from the outside. After turning off the system, Bias voltages are still present. They dischar- ge over time.

  • Page 10: Proper Lifting

    User Manual LYNXEYE XE Detector Caution Use care when moving the detector head to avoid mechanical shock to the assembly. 1.4 Proper Lifting Installation of the detector requires lifting of components with heavy weight (e.g. enclosure front pan- el). Whenever possible, two or more people should lift objects together. Use proper lifting techniques at all times.

  • Page 11: Introduction

    The LYNXEYE XE is based on the silicon strip detector technology. The active area of the detector is 14.4 mm by 16 mm (along the scattering plane respectively perpendicular). The 192 strips of the sen- sor act as 192 individual detectors.
  • Page 12  0-D („point detector“) mode for high-resolution parallel-beam geometry  0-D mode and turned by 90° to cover an extremely large dynamic range Supplied with dedicated software the LYNXEYE XE can also be operated as a standalone solution. DOC-M88-EXX240 V1 – 03.2014...

  • Page 13: Basic Operation

    3.2 LYNXEYE XE Power-Down Procedure There is no special procedure to power down the LYNXEYE XE. It is recommended but not a must to set the detector bias to 0 V in TOOLS until the Bias voltage ramped down completely 3.3 Performing a Measurement...

  • Page 14: Select The Detector Type

    3.3.1 Select the Detector Type Select the COMMANDER plugin in the DIFFRAC.MEASUREMENT program. 1. Use the ‘File’ tab on the top of the screen and select ‘Application/Powder Diffraction. 2. Select detector type (LYNXEYE XE for 1D-mode) in the Selection tab. Selection Settings 3.

  • Page 15: Select The Scan Parameters

    LYNXEYE XE Detector User Manual 3.3.2 Select the Scan Parameters The following parameters must be selected prior to running a measurement: scan type, start, stop, speed, and increment (see Figure 3.1 and Figure 3.2). Additional settings may include divergence slit size, rotation of the stage, and generator settings for KV and mA.

  • Page 16: Discriminator Scan (Pulse Height Analysis, Pha)

    LYNXEYE XE as a detector in the selection field before the scans are available. 4. Time and Increment: Enter the scan time and increment here. LYNXEYE XE operation uses se- conds per step. You will get an error if the scan speed is faster than the configured slow speed.

  • Page 17: Determine Optimized Discriminator Settings

    Figure 3.3: Example of measurement parameters for DISCRIMINATOR scan 5. Start value, Stop value: when doing a DISCRIMINATOR scan the measuring unit is V. There are no default settings for the LYNXEYE XE. Approximate range for different tube materials is given in Table 6.2 and Table 6.3: 6.
  • Page 18 User Manual LYNXEYE XE Detector Cu response Disc. Disc. high Noise edge Charge sharing noise Figure 3.4: Example of a DISCRIMINATOR scan for PMMA sample, Cu radiation) Figure 3.5 shows a discriminator scan for a SiO2/Fe2O3 mixture (5:1), Cu radiation). The detector is positioned for the Quartz main reflection, Fe-fluorescence is generated by the Hematite phase.
  • Page 19 LYNXEYE XE Detector User Manual Fe-Kα Cu-Kα fluorescence response Figure 3.5: Example of a DISCRIMINATOR scan for SiO2/Fe2O3 mixture (5:1), Cu radiation) Note To ensure the correct allocation of intensities to the detector channels do NOT set the dis- criminator lower level lower than 1/2 of the level determined for the signal peak maximum!

  • Page 20: Instrument Performance Test

    User Manual LYNXEYE XE Detector 3.5 Instrument Performance Test For a quick performance test of the instrument use the NIST SRM 1976 standard sample and deter- mine the resolution of the main peak. The system should match the specifications in Table 3.1.
  • Page 21 LYNXEYE XE Detector User Manual Figure 3.6: EVA main window and result for Create Area Note The primary installation and Verification (DOC-M88-EXX157) may require additional test- ing. DOC-M88-EXX240 V1 – 03.2014...

  • Page 22: Detector Flood Field Correction

    LYNXEYE XE Detector 3.6 Detector Flood Field Correction The flood field correction is a special feature to improve the LYNXEYE XE detector performance for PSD Fixed Scans. It might be usable only for some special kind of applications. It does NOT influence or alter the characteristics of continuous scans.
  • Page 23 LYNXEYE XE Detector User Manual 1. Set the diffractometer to the measurement conditions and insert the optical elements you want to use later for the flood field correction. 2. Use a same in a 2th range where no peaks appear. For the PMMA sample 2th=80° is a useful po- sition.
  • Page 24 User Manual LYNXEYE XE Detector Figure 3.8: PSD real time display with PMMA sample, Cu radiation) 4. Switch to the DETECTOR plugin, set a ‘Measure time’ and start the flood field correction procedure by pressing the ‘Measure and Set’ button.
  • Page 25 LYNXEYE XE Detector User Manual Figure 3.10: Fixed scan with PMMA sample after correction, Cu radiation) DOC-M88-EXX240 V1 – 03.2014 3-13...
  • Page 26 User Manual LYNXEYE XE Detector Figure 3.11: PSD real time display with PMMA sample after correction, Cu radiation) Figure 3.12: Flood field correction is updated after determination 5. Save the configuration. 3-14 DOC-M88-EXX240 V1 – 03.2014...

  • Page 27: System Description

    4 System Description Figure 4.1: LYNXEYE XE detector The LYNXEYE XE consists of two components which are installed in the D8 system: The detector itself and the recognized optics. This section also contains information on the counterbalance, as the setting may vary depending on your configuration.

  • Page 28: The Detector

    User Manual LYNXEYE XE Detector 4.1 The Detector 4.1.1 Detector Specifications Table 4.1: Basic specifications of the LYNXEYE XE Detector Specifications Suitable systems All D8 diffraction solutions systems with DIFFRAC.Measurement Suite V3 or higher. Active area 14.4 mm (192 x 0.075mm) x 16 mm; (in and perpendicular to the...

  • Page 29: Environmental Ratings

    Length of cables between the detector and control rack Software DIFFRAC.Measurement Suite V3 or higher Included in delivery LYNXEYE XE detector; mounting and optics assembly, including 0.2mm Cu absorber, 2 open plug-in slits, connecting cables, Filter adapters, PMMA sample holder, transport box 4.1.2 Environmental Ratings Table 4.2 shows the range of environmental conditions for which the equipment is designed.

  • Page 30: Detector Components

    User Manual LYNXEYE XE Detector 4.1.3 Detector Components The detector contains the Silicon Strip Sensor, the signal pre-processing electronics (ASICs) and a non-volatile memory where all detector specific parameters are stored. The detector controller is inte- grated in the detector.

  • Page 31: Detector Cables And Connectors

    LYNXEYE XE Detector User Manual 4.1.4 Detector Cables and Connectors The detector has two cable connectors:  One LAN connector X1 for the detector’s communication including data readout  One 15 pin HD-SUB connector X2 for the detector power and clock pulses Figure 4.3: Block diagram of the detector wiring...
  • Page 32 User Manual LYNXEYE XE Detector B232X11 B296X11  B232X11 B231X5  D8‐Rack D8‐Rack    X648  X644  To detector X2  Figure 4.4: LYNXEYE XE Cable A17D100 version 4 DOC-M88-EXX240 V1 – 03.2014...

  • Page 33: Detector Status Leds

    LYNXEYE XE Detector User Manual 4.1.5 Detector Status LEDs Table 4.3 shows the different states of the detector’s LAN and back side LEDs. Table 4.3: States of the detector’s LAN and back side LEDs State ALARM Normal operation (blinking) or Alarm (lighting permanently).
  • Page 34 User Manual LYNXEYE XE Detector Figure 4.5: LYNXEYE XE Status LEDs and RESET hole DOC-M88-EXX240 V1 – 03.2014...
  • Page 35 LYNXEYE XE Detector User Manual  A17B100‐X2 Figure 4.6: LYNXEYE XE in 90° position showing LAN and power plug DOC-M88-EXX240 V1 – 03.2014...

  • Page 36: Detector Optics

    ‘Zero Offset’ value and allows to center a strip with respect to another optical slit in front of the LYNXEYE XE. Rotation (total range ca. 20 turns, loose the 2 fixing screws (1) by a 1/8 rotation) allows to align the strips with respect to the slit focus.
  • Page 37 LYNXEYE XE Detector User Manual Strip align Rotation  Strip align  Translation Optics recog‐ nition block   1 Figure 4.7: LYNXEYE XE alignment possibilities (cover removed) and optics block DOC-M88-EXX240 V1 – 03.2014 4-11...
  • Page 38 User Manual LYNXEYE XE Detector Figure 4.8: Plug-in slit and Axial Soller slit 4-12 DOC-M88-EXX240 V1 – 03.2014...

  • Page 39: Counterbalance

    Figure 4.9: DAVINCI plugin with standard components for LYNXEYE XE 4.3 Counterbalance There is no special counterbalance setting required for the LYNXEYE XE detector. The standard set- ting for the Scintillation counter should be used. Please refer to the counterbalance test sheet in the Instrument supplement folder.
  • Page 40 User Manual LYNXEYE XE Detector (intentionally left blank) 4-14 DOC-M88-EXX240 V1 – 03.2014...

  • Page 41: Hardware Installation In The D8

    Bruker AXS employees only! Note It is recommended to switch off the LYNXEYE XE detector Bias by the TOOLS plugin be- fore switching off the D8 mains power. Wait until the BIAS READY LED turned off to make...

  • Page 42: Shipping And Unpacking

    For Systems delivered without secondary slit systems the initial alignment of the system has to be done with the LYNXEYE XE detector in 0-D mode with 10 mm opening for theta and 0.075 mm opening for detector to determine the ZI-values with the glass slit. For addi- tional information about the parameters see section 6.6.3.
  • Page 43 4.2. The connection for the distribution board uses also a filter plug. The plug has to be attached to the socket B296X11 5. Use the network cable to connect the LYNXEYE XE and an unused LAN adapter port of the of the D8 control rack.
  • Page 44 User Manual LYNXEYE XE Detector B232X11 X644 B231X5 X648 Figure 5.1: A: Clock cable connector for AIBs. B: Power supply on D8 control rack DOC-M88-EXX240 V1 – 03.2014...
  • Page 45 LYNXEYE XE Detector User Manual Filter plug  Figure 5.2: Clock cable connector on board B296X11 Filter plug  Figure 5.3: Filter plug DOC-M88-EXX240 V1 – 03.2014...

  • Page 46: Mount The Detector To The 2-Theta Axis

    User Manual LYNXEYE XE Detector 5.3.2 Mount the Detector to the 2-Theta Axis The detector fits like other detectors on the universal detector mount. The detector is equipped with either a 0/90° or a 0° mount (Figure 5.4, Figure 5.6).
  • Page 47 LYNXEYE XE Detector User Manual 90° base Figure 5.6: LYNXEYE XE with 0° mount. Figure 5.4: LYNXEYE XE with 0/90° mount. Figure 5.7: Fixing the detector with the knurled Figure 5.5: Applying the Detector to the guidance screw. block. 4. Check the correct radius distance for your set up (especially when switching the applications in TWIN/TWIN systems).
  • Page 48 User Manual LYNXEYE XE Detector Note To confirm the proper measurement circle radius, measure from a point at the center of the sample stage (goniometer center) to a point approximately 9.7 mm behind the front side of the detector cover (see Figure 5.8). Use this as a reference when placing the detector on the track.

  • Page 49: Opco Registration Of Additional Components

    LYNXEYE XE Detector User Manual          Orientation of sensor strips Figure 5.9: Detector center and sensor strip orientation 5. Move the 2-theta drive through the complete range to make sure the detector moves freely and is not restricted by the cables.
  • Page 50 User Manual LYNXEYE XE Detector Figure 5.10: All components in CONFIG for LYNXEYE XE optics 5-10 DOC-M88-EXX240 V1 – 03.2014...
  • Page 51 LYNXEYE XE Detector User Manual Detector Mount LYNXEYE XE 0 degree DetectorOpticsMount1 DetectorOpticsMount2 Figure 5.11: Chip IDs for 0/90 Mount, 0° position, no components inserted for LYNXEYE XE DOC-M88-EXX240 V1 – 03.2014 5-11...
  • Page 52 User Manual LYNXEYE XE Detector Detector Mount LYNXEYE XE 90 degree Optics inserted in DOM1 Optics inserted in DOM2 DetectorOpticsMount1 DetectorOpticsMount2 Figure 5.12: Chip IDs for 0/90 Mount, 90° position, components inserted in both slots 5-12 DOC-M88-EXX240 V1 – 03.2014...
  • Page 53 LYNXEYE XE Detector User Manual Examples for registration Figure 5.13: Ni Filter registration. DOC-M88-EXX240 V1 – 03.2014 5-13...
  • Page 54 User Manual LYNXEYE XE Detector Figure 5.14: Soller registration Figure 5.15: Empty slit registration 5-14 DOC-M88-EXX240 V1 – 03.2014...
  • Page 55 LYNXEYE XE Detector User Manual Table 5.1: All available OpCo components for LYNXEYE XE Component Order Nr ICS Type Soller Ax. Soller 1.5 A17B109 Soller Ax. Soller 2.5 A17B108 Soller Ax. Soller 4 A17B107 Slit Ni filter for Cu A17B115 Ni filter for Cu (low β)
  • Page 56 User Manual LYNXEYE XE Detector (intentionally left blank) 5-16 DOC-M88-EXX240 V1 – 03.2014...

  • Page 57: Software Configuration

    Activate the CONFIGURATION plugin within the DIFFRAC.Measurement Center. The following steps describe the way how to introduce a LYNXEYE XE in the configuration from scratch, if the LYNXEYE XE was delivered separately. For a complete system, this integration was done at Bruker AXS test field and instead of these templates, similar configuration files are generated (includ- ing optics recognition9.
  • Page 58 Figure 6.1: Detector menu in CONFIGURATION plugin before inserting the LYNXEYE XE template 2. Insert a LYNXEYE XE template of your choice, depending on your x-ray wavelength and applica- tion type (High –energy- Resolution or High Count Rate’), e.g. ‘LYNXEYE XE_Diff-Align_Cu-Cr-Co- Fe-Tube.bfscn’...
  • Page 59 Figure 6.2: Template insert in CONFIGURATION plugin. 3. Click OK. 4. Together with section LYNXEYE XE, which contains all relevant detector parameters, additional sections which are responsible for optics recognition, appear (Figure 6.3 and Figure 6.4). The pa- rameters are described in a separate chapter.
  • Page 60 User Manual LYNXEYE XE Detector Figure 6.3: Default Template for diffractometer alignment (high count rate, Cr, Co and Cu rad.). Figure 6.4: Registers for diffractometer alignment Template DOC-M88-EXX240 V1 – 03.2014...
  • Page 61 6. You now can save and download this configuration and the detector will work but without energy discrimination or OpCo recognition. If you insert the Chip ID for your LYNXEYE XE, the Detector Optics and its two Detector Optics Mounts, OpCo recognition is working.

  • Page 62: Detector Trimming And Energy Calibration

    User Manual LYNXEYE XE Detector 6.3 Detector Trimming and Energy Calibration Trimming of the discriminators (veto, low and high) is required because the amplification in the two ASICs for each strip is varying a bit. Due to the fact that trimming is done by a one-point calibration, the trimming is perfect only for one photon energy (wavelength), it has to be repeated for each photon energy.
  • Page 63 LYNXEYE XE Detector User Manual Figure 6.7: Selecting DETECTOR Plugin for Veto Discrimination Figure 6.8: Selecting Mode and Gain for Veto Discrimination Select Mode and Gain as required for your application. Keep shutter closed for starting the calibration. Figure 6.9: Starting calibration for Veto Discrimination Select ‘Calibrate Detector’...
  • Page 64 User Manual LYNXEYE XE Detector Note ‘Qualify Calibration’ performs a check of the actual trimming values without changes. Figure 6.10: Result from Veto Trimming As a result from the Veto trimming individual trim values (192) for each strip and a global DAC (Digital Analogue Converter) Veto Threshold (here 0.028V) is determined and inserted in CONFIGURATION...
  • Page 65 LYNXEYE XE Detector User Manual Figure 6.11: Values modified by Veto Trimming DOC-M88-EXX240 V1 – 03.2014...

  • Page 66: Low And High Discriminator Trimming

    User Manual LYNXEYE XE Detector 6.3.2 Low and High Discriminator Trimming Instrument Setup: Switch to COMMANDER Plugin Use settings from Table 6.1 according to your anode material Set mA to adjust the intensity to <5000 cps / strip Θ=15°, 2 Θ =30°...
  • Page 67 LYNXEYE XE Detector User Manual Figure 6.12: Getting control in TOOLS to change values for Discriminator trimming. Activate your changes by pressing the field right next to the figure. Open the ‘PSD Real Time Display’ under ‘Commander’ and check the intensity.
  • Page 68 User Manual LYNXEYE XE Detector Figure 6.13: Intensity check for Discriminator trimming using values of Table 6.1. 6-12 DOC-M88-EXX240 V1 – 03.2014...
  • Page 69 LYNXEYE XE Detector User Manual Figure 6.14: Diffractometer settings for Cu-radiation Figure 6.15 shows the Discriminator screen with Advanced Settings opened. Energy, Mode and Gain are by default set to ‘High Resolution’ for your tube. Values in Advanced Settings are inserted auto- matically and normally need not to be changed.
  • Page 70 User Manual LYNXEYE XE Detector Open Figure 6.15: Selecting DETECTOR Plugin for Low and High Discriminators with X-Ray Figure 6.16: Result from Low and High Discriminators with X-Ray 6-14 DOC-M88-EXX240 V1 – 03.2014...

  • Page 71: Discriminator Setting And Kβ-Suppression

    LYNXEYE XE Detector User Manual The calibration will take several minutes. Result shall be at least ‘Satisfactory’. Especially for long wavelengths or ‘High Count Rate’ modus it might be impossible to get ‘Satisfactory’. Even in this case the energy resolution will be improved and can fulfill the specification.

  • Page 72: Discriminator Setting

    User Manual LYNXEYE XE Detector 6.3.3.1 Discriminator Setting Instrument set up for Discriminator scans: Use settings from Table 6.1 according to your anode material Set mA to adjust the intensity to <5000 cps / strip Θ=15°, 2 Θ =30° 2mm or 1° primary divergence kβ-Filter...
  • Page 73 LYNXEYE XE Detector User Manual Table 6.2: Detector parameters and settings for various target materials Tube Energy [eV] Mode Gain Peak Pos [V] Energy Resol.[eV] Kβ part DAC Veto Thr. 5414 High Res. High 0.141-0.155 <680 <8% 0.040 5414 High CPS High 0.149-0.162...
  • Page 74 User Manual LYNXEYE XE Detector Figure 6.19: CONFIGURATION Plugin with modified values after Veto and Discriminators Trimming Note Use a beta filter to determine the correct energy resolution. 6-18 DOC-M88-EXX240 V1 – 03.2014...
  • Page 75 LYNXEYE XE Detector User Manual Figure 6.20: Discriminator Scan with values from Figure 6.19 Save Discriminator Scan to file ‘Disc_Scan_Cu_High_Resolution.brml’ and open with DIFFRAC.EVA. DOC-M88-EXX240 V1 – 03.2014 6-19...
  • Page 76 User Manual LYNXEYE XE Detector Figure 6.21: Create Area for Scan to determine peak position and FWHM. The energy resolution (in eV) can be calculated by: FWHM/Obs.Max x PhotonEnergy. In this example 0.0164/0.2108 x 8041 eV = 626 eV is achieved.
  • Page 77 LYNXEYE XE Detector User Manual Figure 6.22: Inserting Values for ‘DAC High’ and ‘DAC Low Threshold’. Perform a Discriminator scan under the same conditions but without kβ-filter. This scan gives a visual impression how well kα- and kβ-radiation are separated.
  • Page 78 User Manual LYNXEYE XE Detector Figure 6.23: Discriminator scan for Cu radiation without Ni-filter. Depending on your application (e.g. GM mirror or kα1 monochromator) it may also useful to use one of the following discriminator settings (example for this detector), which increases the intensity by a few percent: DAC Low/High Threshold should be set to 0.208V and 0.3V for fluorescence suppression (requires kβ-...

  • Page 79: Check Of Kβ-Suppression

    LYNXEYE XE Detector User Manual 6.3.3.2 Check of kβ-suppression It is assumed that a ‘Spatial Calibration’ for your detector distance is performed and detector parame- ters for ‘Full Discrimination’ as in Figure 6.22 are applied. Instrument set up for scans to check the kβ-suppression: Use settings from Table 6.1 according to your anode material.
  • Page 80 User Manual LYNXEYE XE Detector Figure 6.25: Locked coupled scan with open discriminators showing CuKα1/2-, -Kβ- and WLα peaks 4. Set Disc.Low to (Obs.Max – 0.012V=0.198) and Disc.High to (Obs.Max + 0.012V=0.222) in Tools and activate them 5. Perform a Locked Coupled scan from 31 to 36° 2Th and save the file as LC_LL0d198- UL0d222.brml.
  • Page 81 LYNXEYE XE Detector User Manual Figure 6.26: Locked coupled scan with closed discriminators showing CuKα -, little -Kβ- and WLα peaks 6. Load both files into EVA and evaluate the intensities for Cu-Kα1/2 (range 34.5 to 35.7 deg.) and -Kβ peaks (range 31.2 to 32.1 deg.), save evaluation as Cu-Kbeta-suppression.eva DOC-M88-EXX240 V1 –...
  • Page 82 User Manual LYNXEYE XE Detector Figure 6.27: Evaluation of Locked coupled scans with open and closed discriminators showing CuKα -, -Kβ- und WLα peaks 7. Kβ-part: Determine the intensity ratio of Cu-Kβ/Cu-Kα1/2 of LC_LL0d198-UL0d222.brml: Here: 4.536/302.6 = 0.013 (Limit I-ratio < 0.02) 8.
  • Page 83 LYNXEYE XE Detector User Manual Table 6.3: Detector properties various target materials Tube Energy Mode Gain Energy Peak Pos Kα-ratio Kβ part DAC Veto [eV], Kα Resol.[eV] Thr. [V] >0.75 5414 High Res. High <680 0.141-0.155 <0.08 0.040 >0.75 6930 High Res.

  • Page 84: Spatial Calibration

    LYNXEYE XE Detector 6.4 Spatial Calibration Prior to calibration, the system must be aligned using the LYNXEYE XE detector in 0D mode. To make use of many strips as possible, it is necessary to download the default parameters for resolution and offset of the actual detector radius, see chapter 6.5.
  • Page 85 LYNXEYE XE Detector User Manual Figure 6.28: Starting the ‘Resolution’ and ‘Offset’ determination 9. As ‘Results’ you get new values for ‘Zero Offset’ and ‘Resolution’. Quality should at least ‘Satisfy- ing’. You must double click on ‘Evaluation’ to open it and check the ‘Draw Data Frame’ box to dis- play the scans, see Figure 6.29.
  • Page 86 User Manual LYNXEYE XE Detector Figure 6.29: Result of the ‘Resolution’ and ‘Offset’ determination 10. ‘Save to File’ stores the measured frames for further evaluation. 11. To Activate the Results you must press ‘Apply to Instrument’, does not require a download.
  • Page 87 LYNXEYE XE Detector User Manual Figure 6.30: Saving the ‘Resolution’ and ‘Offset’ scans 12. Perform a locked coupled scan using 0.05s/0.008° from 34.5 to 35.7° in 2Th to check the result of the spatial calibration, see Figure 6.31 DOC-M88-EXX240 V1 – 03.2014...
  • Page 88 User Manual LYNXEYE XE Detector Figure 6.31: Position check of the ‘Resolution’ and ‘Offset’ determination The detector is now completely adjusted concerning energy calibration (for one mode: Cu radiation and high energy resolution) and spatial calibration. At this point, the Configuration and the State file should be saved (e.g. as Cu-HighGain- HighResolution.bfcfg and Cu-HighGain-HighResolution.zip from the CONFIGURATION and DETEC-...

  • Page 89: Changing Detector Settings With State Files

    LYNXEYE XE Detector User Manual Note Save the Configuration and the State file from the CONFIGURATION and DETECTOR plugin. 6.5 Changing Detector Settings with State Files Loading state files are an easy method to change detector parameters without the need to download a configuration file.
  • Page 90 User Manual LYNXEYE XE Detector 3. Reconnect to the diffractometer: 6-34 DOC-M88-EXX240 V1 – 03.2014...

  • Page 91: Mode

    100 kcps, depending on the detector mode. This will give the option to measure some 10 million cps. Even if in most cases not needed, the LYNXEYE XE in 0-D Mode can be com- bined with the Automatic or Rotary Absorber in Auto Mode.
  • Page 92 User Manual LYNXEYE XE Detector Figure 6.32: Selecting LYNXEYE XE 0D-mode and Detector Slit 6-36 DOC-M88-EXX240 V1 – 03.2014...
  • Page 93 LYNXEYE XE Detector User Manual Figure 6.33: Available scan types for LYNXEYE XE 0D-mode. Figure 6.34: Selecting scan mode for scan types. DOC-M88-EXX240 V1 – 03.2014 6-37...

  • Page 94: Aligning The Diffractometer

    In case you want to use your actual High (energy) Resolution Configuration, you should reduce the count rate by absorbers to maximum 10 kcps/strip.  For Tube Scans the opening of the LYNXEYE XE should be set to 10mm.  For Detector Scans the opening of the LYNXEYE XE should be set to 0.075mm.
  • Page 95 LYNXEYE XE Detector User Manual 4. Calculate the ‘Calibration of the Theoretical Position’ and apply it, see Figure 6.35. Click on the ‘Advanced Settings’ tab to activate the input fields. Use the default values and change the secondary track radius if necessary, do not alter other values. Press ‘Calculate’.
  • Page 96 User Manual LYNXEYE XE Detector (intentionally left blank) 6-40 DOC-M88-EXX240 V1 – 03.2014...

  • Page 97: Preventive Maintenance And Troubleshooting

    7 Preventive Maintenance and Troubleshooting The components of the diffractometer are basically maintenance-free for the user. However, Bruker AXS recommends a yearly preventive maintenance inspection. To schedule this inspection or for technical support, contact your local Bruker AXS Service Department.

  • Page 98: Troubleshooting

    User Manual LYNXEYE XE Detector 7.2 Troubleshooting 7.2.1 Display Data in the DIFFRAC.COMMANDER Window has Flat- lined or is Nonexistent.  Check if the motor clock cable is properly installed.  Check if the BIAS button is illuminated. 7.2.2 Locked Coupled Scan Does Not Start/Finish ...

  • Page 99: The Detector Is Not Selectable/Active In Commander

    7.2.4 High Background in Scans  Fluorescence from sample: adjust lower discriminator setting.  Detector Bias not set correctly.  One strip became noisy: perform a fixed scan for all strips to identify the noisy one, contact Bruker AXS. 7.2.5 High Kβ-Part in Scans ...
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  • Page 101: References

    LYNXEYE XE Detector User Manual 8 References The following list of documentation is useful for operation the LYNXEYE XE detector: Part Number Description D8 ADVANCE Introductory User Manual (Preinstallation, Safety, Specifica- DOC-M88-ZXX146 tions) D8 DISCOVER Introductory User Manual (Preinstallation, Safety, Specifica-...
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  • Page 103: Assessories And Spare Parts List

    Accessories and Spare parts Part Number Description A24D245 LYNXEYE XE detector 300µm thick, 0/90° holder for D8 A25, Univ. Det. Mount (UDM) required A24D246 LYNXEYE XE detector 300µm thick, 0° holder for D8 A25, UDM required A24D245 LYNXEYE XE detector 500µm thick, 0/90° holder for D8 A25, UDM required A24D246 LYNXEYE XE detector 500µm thick, 0°...
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