Cathodoluminescence imaging on quartz in sandstone

Studying formation of sedimentary rocks and crystallization histories of sapphires with the same technique: cathodoluminescence

Posted by Delmic on Dec 18, 2018 1:00:00 PM

Studying formation of sedimentary rocks, observing changes in the chemical composition of zircons, and understanding underlying causes for luminescence of sapphires: all of these are possible with one versatile technique. Cathodoluminescence (CL) is a very useful method of data acquisition in geosciences as it reveals information not readily provided by other techniques.

The excitation of electrons in the sample that produces the light seen through a cathodoluminescence system occurs in specific chemical impurities or intrinsic defects within a geological structure.

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Topics: cathodoluminescence, geological materials, Geology, sem, cathodoluminescence sem


Integrated correlative light and electron microscopy: A new technique for geological materials

Posted by Delmic on May 3, 2018 3:00:00 PM

Integrated correlative light and electron microscopy (iCLEM) is a technique, in which both fluorescence imaging and electron imaging can be performed on one instrument without needing to transfer the sample. Correlative microscopy approach is being used worldwide for cancer research, in marine biology, neuroscience, and cell biology. Recently this technique has also been applied in the field of geology to gain an insight into the sedimentary organic matter in geological materials.

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Topics: iclem, correlative light and electron microscopy, correlative microscopy, Geology, geological materials, SECOM, fluorescence microscopy, scanning electron microscope, electron microscopy, Presentation


Thoughts on the various applications, techniques, and complications to be discovered in the fascinating fields of both cathodoluminescence and correlative light and electron microscopy.

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