New Maud version 2.33

Small bugs fixing release. Proceed to the download page.

New Maud version 2.32

Many improvements and bug fixes especially for structure solution. Check the readme in the help for more. Proceed to the download page.

New Maud version 2.31

Small bug fixed, check the readme for more. Proceed to the download page.

New Maud version 2.30

New version after nearly a year. This version has been released just in time for the Erice school. Several bugs corrected, some new stuff and methods, check the readme for more. Proceed to the download page.

Workshop: Combined Analysis Using X-ray and Neutron Scattering

June 28th - July 2nd, 2010, Caen (France) - Organised by CRYSTMAT and INEL. Registration deadline : June 1st, 2010. I will be present there and attendees will have good time to learn Maud! More information at the registration web site

New Maud version 2.22

This is mainly a bug fixing release Anyone using 2.2 must upgrade to this. Corrected a bug that it was preventing to launch Maud on Java version 1.5 (it was only 1.6). Several bugs corrected, check the readme. Fixing regards atoms/isotopes selection, CIF importing, background interpolation, sample displacement errors. Superflip method added. Proceed to the download page.

New Maud version 2.2

Main modifications are: isotopes for neutron diffraction, early qualitative model for fluorescence fitting (use atom concentrations from phases). Check the readme in the help. Proceed to the download page.

Maud tutorials on YouTube

Check out the YouTube Maud videos. Already a couple of tutorial were uploaded and more to come. These are in high definition for a better vision. Look at them if you want to know the inner secrets of Maud and many tricks on its use.

New Maud version 2.1

Corrected a bug that prevented to toggle the phases plot on windows. Finished the WSODF method of Popa and Balzar for Strain ODF. Thanks to Sebastien Merkel (http://merkel.ZoneO.net/) for providing his model for strain analysis. Well suited for diamond cell high pressure analyses. You should get a look also to his tutorial pages on residual strain etc. Added the possibility to define/edit manually the background points for the interpolated background. From the interpolated background options panel select the button to edit manually the points and in the appearing plot window select from the menu Tools->edit interpolated points manually the points will appears. Use the right mouse button on them to remove or to add a new one. Only the x coordinate matter for positioning new ones. If you toggle the checkbox to view the background in the plot options, you can see later where the background really is. This new release is named 2.1 for a radical change. There is a new way Maud treats the scale factors/phase fractions. The new way improve the convergence and robustness of the refinement especially in the early stage. In the old behaviour, you usually refine an instrument intensity and all phase fractions apart one (that balance to one and the program take care of doing it). In the new behaviour, you should refine not the instrument intensity, but all the phase fractions (this s done automatically by the wizard). So the program take care of normalizing the phase fractions to 1 at the end of each iteration and to transfer the normalization factor to the instrument intensity. So it is more similar to just refinening phase scale factors internally (like most Rietveld program do), but you end up dealing directly with volume fraction like you are used in Maud. Another advantage is that you can fix the volume phase fraction of one or more phase and the program will keep that fraction constant (this is something not available usually in Rietveld programs). If you deal with multiple datasets, you keep fixed the instrument intensity of the first dataset, but refine all the others instrument intensities (or you can decide initially to refine all the instrument intensities; this will increase the correlation with the phase fractions parameters and the esd or error for them; but you can fix it later when you are near convergences to get better esd on the phase fractions). If you want the old behaviour (because you like it or in certain circustances could be better) you can force it by changing the preference "forcePhaseVolumeFraction.asScaleFactors" to false. Last but not least there is a new model to refine random disordered turbostratic structures like clays or graphites using the Ufer model as implemented in the BGMN Rietveld program (check the web site http://www.bgmn.de for more specific info). This is a very clever way to deal with this kind of structures. The model is called "Single Layer" as Ufer, Kleeberg, Bergman and coworkers named it and you select it in the advanced panel when editing a phase, under the structure factors models. You need a good structure definition for the crstal structure of the basic layer and how many layers you want to generate (Ufer et al. indicate 10 as a good number), then play with the crystallites sizes (may be you need also to use the Popa anisotropic model) to model the line broadening. You don't need to define a supercell, Maud will compute it from the normal cell and the number of layers you select. Proceed to the download page.

New Maud version 2.075

Corrected and improved the switching to monoclinic 1st setting (or c setting) when working with texture. This is strictly necessary if you are using a texture model like EWIMV/WIMV, standard functions or harmonic based. You need to work in this setting to get the correct texture. It is sufficient to switch to the corresponding space group ending in :c or :c1 whatever and the program will switch cell parameters and atoms (also imported Fhkl lists). Added the possibility to toggle the visibility of the residuals and reflection positions and background in the plot options. Clicking with the right mouse button over the phase label or peak positions in the plot will show a menu that may enable or disable the plot of the fitting for the selected phase. Each phase may plot now its own computed pattern in different color. Proceed to the download page.

New Maud version 2.07

New version to correct a bug on 2.066 causing problems to the least squares routine. Found a trick to reduce Choleski negative diagonal problems. Proceed to the download page.

New Maud version 2.066

Finally Maud is working properly again for texture and structure factor extraction. Now it is possible to have datasets avoiding texture. Each datafile may have its own 2theta displacement. D19 neutron images natively supported (data ending in "_LAMP" can be loaded directly by the Browse... command). Electron diffraction supported for the kinematical case, no absorption correction for the moment (someone has an electronic table?). So TEM images may be refined also for the structure factors (atomic parameters) if obtained in kinematical regime. Other bugs corrected, something regarding loading datafiles and getting the getXData exception..... Also corrected a bug where for multiple textured phases the last one should be enabled to get the extraction working. Fixed some problems with COD submission. Proceed to the download page.

Corrected Mac OS X Maud version 2.064

By mistake the Mac OS X versions of Maud where missing some jar libraries. A couple of them are for future enhancements but one is important (swingx.jar). You may notice it is missing as the Wizard frame does not appear when called. I have uploaded new archives of the Maud.app including the libraries. Proceed to the download page.

New Maud version 2.064

The new version includes a version for Mac OS X in 64 bit, but to run it you need an Intel mac at least core2duo and Leopard. Proceed to the download page.

Hippo Texture Analysis Wizard

A new tutorial for texture analysis using TOF instruments and in particular Hippo at LANSCE has been added. It explain how to start and perform an analysis having GSAS data as input. Can be used also for other kind of analyses, not only texture.

New Maud version 2.061

Finally after more than 6 months the new Maud version has been uploaded. Proceed to the download page.

New Maud version 2.058

The new version open the Hippo wizard also to other similar instruments arranged in TOF banks. Added a new texture model, the exponential harmonic. It use an exponential function for the ODF ensuring the positive condition. But the pole figure computation method has to be arranged in a completely different way so it is very slowly. Be carefull to use it cause of the amount of time needed for computation. Proceed to the download page.

New Maud version 2.050

The Hippo wizard to help setup an analysis for Hippo LANSCE instrument has been finalized. The refinement wizard also is more Hippo aware. In principle a texture anaysis can be done easily throgh the Hippo wizard to setup it and the refinement wizard->texture analysis to refine it. You have to remember to add at least one phase and choose the more appropriate texture model. Proceed to the download page.

New Maud version 2.049

The new release works well with multiprocessor machines (in the preferences, with parallel_processing.threads_maxNumber you can choose how many concurrent threads, equivalent to number of processors to use). An Hippo wizard to help setup an analysis for Hippo LANSCE instrument has been added to the new analysis menu item. Some improvements in the plot (Q plotting added, see under the graphics->Plot options). Fixed the choose directory starting bug under Windows/Linux. Proceed to the download page.

Maud and history

Some years ago I received an e-mail from Prof. Wenk about this. Now I found by casualty even a web page on it. Want to know the hidden history of Maud and the connection to the Los Alamos Lab.? Check out this story.

New Maud poll in the forum

There are two new polls in the Maud forum. I kindly ask to give your opinion on the question there. You can just vote if you don't want to leave a message. To answer the poll proceed to the Maud forum.

The QPA tutorial has been updated

The Quantitative phase analysis tutorial has been updated and finished. There are some tips about analyzing the results and plotting. Have a look to the changed steps 4 and 5. Proceed to the Quantitative phase analysis.

The Maud forum is back

The Maud forum has been restored after a hacker attack last fall. Unluckily all posts were lost but the users were preserved. The new forum has been updated and patched, just proceed to the forum the Maud forum page.

More example models added

More examples has been added in the developer kit. In particular for datafile formats, geometry/Lorentz-polarization correction, angular and intensity calibrations and size-strain models. See the Maud developer page.

Developing models for Maud

A downloadable dev kit and instructions has been added to the Maud web pages for developers who want to build their own models with Maud. This is only the beginning and only one example for residual strain models is presented. More to come in the future. More information at the Maud developer page.

New Maud version 2.044

Some improvements, working on XGrid. Improved the Le Bail structure factor extraction for multiphase analysis. New Simplex algorithm added to the available algorithms. First release of the associate dev-kit to develop Maud extensions/plugins/new models. Proceed to the download page.

New Maud version 2.043

This release correct a bug related to loading multispectra files. Again a system for Xgrid distribute computing has been introduced. It is still under testing, so it is not visible to the normal user for the moment. More information in a near future. Proceed to the download page.

New Maud version 2.042

Happy New Year! Enjoy the new Maud version with bug corrections. Proceed to the download page.

New Maud version 2.037

Minor version, some bugs corrected. Major one concerning computation in batch mode that was introduced in one of the last versions. Now batch mode works again. Instructions will follow in a tutorial under preparation. Proceed to the download page.

New Maud version 2.036

New important version with several bugs corrected. It is strongly advised to update to this new version. Most of them concern input/output and plots. Also the parameter list panel has been affected and it does not stop anymore to work in certain conditions. 2D transmission images integration has been corrected. There was a bug introduced in one of the last versions that was affecting the y direction. Actually the integration has been speeded up and the integration line does not appear anymore during the integration. The edit button in the main window toolbar has been moved to the left before the add a new object button, to have it more ready for the heavy use. Proceed to the download page.

The brochure of the Maud Rietveld school

The brochure for the Maud Rietveld school is available as a PDF file for download. You can print as an A4 double side and fold in three. It contains all information and the program for the three days.

New Maud version 2.033

A new Maud version has been uploaded to correct several bugs. The printing has been fixed along with some plots and WIMV input. Along with the print also the copy of the graphic objects works better. Try the copy command in the standalone plot window or in the pole figure plot. You can paste then in other programs the resulting picture. Also the results printing will print all pages and not only the visible one. Proceed to the download page.

Maud Rietveld School (12-14 October, 2005)

7 September 2005 - A Maud Rietveld school will be held in Riva Del Garda (TN) Italy, on 12-14 October, 2005 with the support of Italstructures. There could be some empty seats, but not too many as the school has been intended only for a limited (in numbers) audience for practical reasons. The school will focus mainly on:

• Introduction to the Maud program version 2.0 and Rietveld refinements
• Rietveld refinement strategies with Maud
• Quantitative phase and amorphous analysis
• Size-strain and microstructural analysis
• Ab-initio structure solutions with Maud
• Structural refinements

There could be some additional sessions on request by the partecipants:

• Rietveld texture analysis
• Residual Stress and Texture analysis
• Reflectivity analysis with Maud
• Thin film characterization
• Working with diffraction images from 2D detectors
• Polymer structural and microstructural characterization
• Nanocrystalline materials analysis

Each session will have a practical session with hand on the program, Maud version 2.0
To partecipate to the school you should contact as soon as possible Italstructures.
A detailed program will be available soon.

New Maud web location

7 September 2005 - With the new Maud version 2.0 also the principal web page of Maud has been relocated to http://www.ing.unitn.it/~maud and it is no more as a subfolder of Luca Lutterotti home page. The ccp14 should reflect the change. Until that the new Maud pages will be only availables directly on the main location (no mirroring). The site has been enhanced adding more sections that will be expanded in the future. Several Maud application examples has been uploaded in the Maud in action section in the form of presentation pdfs or posters. The downloading has been simplify and other sections added.

New Maud forum

7 September 2005 - A Maud dedicated forum has been launched today. The forum can be used to exchange information between the authors and the users as well as between the users. As for the nature of the forum, everything will remain stored there for future references searchable by the new ones. See the Forum page.

Maud Bug Reporter

7 September 2005 - A bug reporting system for Maud has been launched today based on bugzilla. The purpose of the system is to keep track of all bugs and requests reported by the users and their progress. The direct e-mail to the author system is no longer reliable these days. So everyone is encouraged to use the new Bug Reporter system. See the Bug Reporter page.

New Maud version 2.0

6 September 2005 - The new Maud version 2.0 has been uploaded. The interface has undergone some changes but more have to come. The inner structure has also been revised completely and one of the main changes is that the Instrument now is inside the dataset. Each dataset has its own instrument. For this reason there could be some problem reading old analysis files with different datasets sharing the same instrument (something not advisable). In such case you may loose the instrument for some dataset. But you may import it from the same old analysis file for the datasets missing it.

Maud RSS feed launch

6 September 2005 - A RSS feed system has been introduced for Maud. It will keep track of the new Maud releases and news using simple RSS feeds directly from the program or through a RSS feed reader. Maud version 2.0 can load directly the feeds at the address http://www.ing.unitn.it/~maud/feed/MaudRSSfeed.xml. These can be loaded also by an RSS feed enabled internet browser. To load them from Maud, if you are connected to the internet, just select "Load Maud RSS feed" from the "Special" menu of Maud. In the Maud preferences you can choose if to load them directly in a Maud window (default) or laod the feeds by your preferred browser that will be launched directly by Maud