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AZtecHKL

The most powerful EBSD software available, AZtecHKL combines speed and accuracy of results for routine analysis, with the flexibility and power required for applications that push the frontiers of EBSD.

  • Advanced EBSD software with data acquisition and analysis - all in real-time
  • Unleashes the potential of the the world's first CMOS-based EBSD detector, Symmetry
  • Seamless, simultaneous EBSD and EDS acquisition, AZtecSynergy
  • Transmission Kikuchi Diffraction (TKD), formerly referred to as t-EBSD, capability as standard


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Unmatched in breadth and accuracy, AZtecHKL is a must for anyone serious about EBSD analysis...

AZtec couples Oxford Instruments’ understanding of real customer needs for routine EBSD analysis, with the flexibility and power required for applications that push the frontiers of EBSD.

Developed by the market leader with global customer support and over 40 years experience in nanoanalysis, AZtec meets the ever more challenging requirements of analysis at the nanoscale.

Fast and powerful

  • Unleash the latest generation of CMOS EBSD detectors for high-speed and high-sensitivity data acquisition
  • Acquire, process and display high-speed data in real-time
  • Interact with your data during acquisition using 64-bit processing power and multitasking software

Easy to use

  • A guided workflow for system set-up and data acquisition ensures that everyone gets the right results every time
  • Intelligent tools, such as automatic background correction, ensure accurate results on all samples

Flexible

  • Experts can adjust settings to solve difficult applications
  • Optimise data post-acquisition using powerful re-analysis tools
  • Present data and results in customisable reports

Innovative

  • Unique Tru-I® algorithms achieve the highest number of accurately indexed EBSPs
  • Simultaneous EBSD and EDS analysis, including using EDS data to differentiate similar crystal structures
  • Refined accuracy indexing* delivers an outstanding angular resolution of 0.05˚
  • Powerful tools included as standard, e.g. a TKD optimised indexing routine and modules for advanced data analysis

* Patent pending

Download Centre

AZtecHKL

This 16 page brochure illustrates why AZtec is the leading EBSD analysis platform on the market. Covers both hardware and software.

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EBSD Explained

EBSD Explained is a 24 page tutorial that not only gives newcomers a solid foundation in the underlining science of the subject, but also shows how the theory is applied in practice to get reliable and accurate EBSD results.

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Symmetry

Symmetry, the world's first EBSD detector based on CMOS sensor technology, is set to revolutionise EBSD analysis.

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AZtec Tru-I, the EBSD indexing engine, ensures that users collect the best quality patterns and can solve them accurately, reliably and automatically. Pattern collection and solving are performed in real-time.

Collect the high-quality patterns which are essential to obtaining accurate EBSD data.
  • AZtec has an optimised system design, for the collection of excellent patterns, even at high speeds or high binning
    • The signal strength and noise are quantified and can be used as a measure of pattern quality

Dynamic background correction enables pattern by pattern contrast optimisation.
  • Excellent quality patterns can be achieved from all materials
    • includes multiphase materials, where the phases can have significantly different atomic numbers
  • Dynamic background correction automatically masks screen imperfections
Intelligent band detection

AZtec implements an intelligent band detection routine that determines which of the detected bands should be used in the indexing.

  • Intelligent band detection uses both the average intensity of the band and its position in the area of interest
  • Improves the percentage of correctly indexed points, especially for materials exhibiting indistinct bands or where pattern quality is low

Magnetic Field Correction solves distorted patterns

In some applications, high magnetic fields from the SEM lenses distort the electron backscattered diffraction patterns. This distortion curves the Kikuchi bands and shifts the pattern centre but can be corrected automatically using AZtec.

  • The correction straightens the bands and corrects the pattern centre so patterns can be correctly solved
  • A dipole correction described in Oxford Instruments’ US patent 7442930B2 is applied
Class Indexing

The EBSD indexing routine is critical in achieving accurate results - AZtec uses a new method, Class Indexing.

  • This method is robust and the correct solution can be achieved even if one or more detected band is not included in the list of reference reflectors
  • The system is less sensitive to the operator selecting the number of bands and reflectors
Distinguish similar crystal structures

AZtec correctly identifies phases with similar crystal structures by comparing bandwidth.

Refined Accuracy Algorithm

A new and innovative ‘Refined Accuracy Algorithm*’extends traditional EBSD analysis to deliver unrivalled accuracy and level of detail...

  • Refines the position of the Kikuchi bands after indexing so the most accurate orientation measurements are achieved
  • Overcomes the well-documented limitations of the Hough transform
  • The Ni patterns (below) illustrate the optimisation benefits:
    • Pattern A shows the initial band detection based on Hough
    • Pattern B shows the band position after refinement by the new method

AZtec Refined Accuracy delivers:

  • Class-leading orientation measurement accuracy ...in real-time
    • enhances boundary characterisation
    • identifies subtle subgrain microstructures
    • optimises the fit between the acquired pattern and solution

AZtecHKL contains many intelligent EBSD Acquisition Tools that make data acquisition faster, easier...better

AutoCal
Change acquisition conditions and still collect quality EBSD patterns at the click of a button
  • Collect accurate data routinely under a full range of working distance and detector insertion distance – without recalibrating
  • AutoCal is a sophisticated geometric correction which works seamlessly and automatically to calculate calibration parameters based upon changes in geometry
  • Compensates for changes to the projection parameters resulting from beam movement at low magnification
  • The system is quick and easy to set up, whatever the user experience level
AZtec corrects for changes in acquisition conditions automatically and in real-time

Optimising the system for data acquisition is easier and more automated than ever before

  • Automatic detector exposure
  • Intelligent dynamic background
  • Detector control from within the user interface
  • Change SEM conditions – kV, probe current, magnification, or stage tilt – without recalibrating,
    • and still, collect an optimised EBSP which is correctly solved

AutoLock

  • AutoLock is an integrated drift correction tool that corrects EBSD and EDS data simultaneously, resulting in the most accurate maps.
  • A unique blend of predictive and reactive drift correction routines
  • Corrects drift on tilted and untilted samples
  • Essential for high magnification nanoscale EBSD
Image Registration

All AZtec acquired images can be used for specimen navigation and relocation at a later date - even on a different microscope.

  • AZtec takes control of the microscope stage and seamlessly relocates to points of interest
  • During a session, any acquired image or map is automatically registered, enabling easy relocation to previously analysed areas#
  • Any image can be used for navigation i.e. an EBSD map can be used to navigate to an area of interest
  • Manually registering images enables specific areas of a specimen to be further investigated at a later date, even on another microscope

Microstructure Imaging using Forescatter diodes (FSD) highlights regions of interest for further investigation. AZtec, coupled with any Nordlys EBSD detector, is a powerful solution for all EBSD applications.

The Nordlys detectors can incorporate up to 6 forescattered detector diodes

  • AZtec enables independent image acquisition from each diode
  • Flexibility to customise and mix any combination of these images
  • Automatic colour FSD highlights details that may be missed by greyscale imaging alone

Optimise settings and re-analyse without needing to re-acquire data. With AZtecHKL users can process both post-acquisition and offline.

AZtecHKL re-analysis is completely flexible:

  • Optimise solver settings, or add additional phases, and re-analyse the data offline
  • It is not necessary to know all the phases in the sample before acquiring data

AZtec Large Area Mapping enables the unattended collection of high-resolution data (images with simultaneous EBSD and EDS maps) from large specimen areas.

  • A setup wizard guides users through the process, making Large Area Map acquisition routine
  • Designed for tilted EBSD geometry to ensure that sample focus is maintained during acquisition
  • Automatic image alignment during acquisition ensures a seamless LAM dataset both before and after montaging
  • Acquire up to 1500 fields at 8K image resolution and 4K EBSD map resolution to create an image data set of 96 billion pixels and an EBSD dataset of 24 billion pixels
  • Interactive both during and after acquisition: view all the data in the large image and zoom into the fine detail
  • A single montaged data set (up to 64 Million datapoints in size) can be interrogated in AZtec as a standard Site of Interest to extract:
    • X-ray maps, EDS layer maps, Autophase maps and spectra
    • IPF, Euler and phase maps, and individual EBSPs

 

TKD (Transmission Kikuchi Diffraction, sometimes referred to as t-EBSD), used for the collection of EBSD data in transmission mode in the SEM, is increasingly applied for materials characterisation at the nanoscale.

Despite significant technological developments in recent years, the conventional EBSD technique is still limited by the pattern source volume to resolutions in the order of 25-100 nm. This is insufficient to measure accurately truly nanostructured materials (with mean grain sizes below 100 nm).

A new approach to SEM-based diffraction has emerged. This uses an electron-transparent sample coupled with conventional EBSD hardware and software. This technique referred to as transmission EBSD (t-EBSD: Keller and Geiss, 2012) or SEM Transmission Kikuchi Diffraction (TKD: Trimby, 2012) has been proven to enable spatial resolutions better than 10nm.

TKD advantages
  • Spatial resolution better than 10 nm
  • Ideal for the routine characterisation of nanostructured material
  • EBSD analysis of highly deformed samples

AZtec is the system of choice for TKD analysis. It includes an optimised TKD mode as the standard for acquiring the most accurate maps - even at the nanometer scale. EBSPs collected in transmission mode have a gnomonic distortion and this innovative technology detects the bands in these patterns more accurately, ultimately delivering a higher hit rate.

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