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Imaging · dataset · 2026

Cathodoluminescence Image Processing Script

Listed in Teesside University Research Data Repository

The CL_Image_Processing_v21.m script processes .dm4 type cathodoluminescence data generated by Gatan Digital Micrograph software, outputted as a data cube (2 spatial axes as a constructed image, 1 spectral axes preset as wavelength or energy).

Description

It utilised a fitting algorithm for up to two gaussian response peaks, which is then mapped of all individual properties for comparisons (intensities, energies, peak widths and more).

Absorptance plots are also built within each pixel and used to generate Urbach Energy maps, constrained spectrally by the peak behaviour of the CL response. In its current form, it is primarily optimised to analyse CdSeTe and CdSe semiconductor films, however the script can run wider spectral analysis to be transferrable for other materials, and can be further optimised within the script if necessary.

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Note

Ensure that the two additional script files (ReadDMFile.m and fire.m) are placed in the same folder as the processing script for the file to work. Additionally a wavelength/energy range must be in the data file name (the format will be displayed in an error message

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Where it is published

Catalogue records · 1

Topics

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Image 75%
Provenance · 1 source records, 8 field assertions
SourceKeyLast seenRaw
Teesside University Research Data Repositoryoai:data.mendeley.com/r4ny92mmgr.19 h agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · researchdata tees ac ukconnector:researchdata_tees_ac_uk@1.0.0
concepts[field].local:field:earth-environmentalmapping · researchdata tees ac ukconnector:researchdata_tees_ac_uk@1.0.0
concepts[modality].local:modality:imageenrichment · researchdata tees ac ukkeyword-concept-rules@1.0.0title+description (75%)
concepts[modality].local:modality:microscopymapping · researchdata tees ac ukvocabulary-mapper@1.0.0keywords['Microscopy']
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publication_datesource · researchdata tees ac ukconnector:researchdata_tees_ac_uk@1.0.0
titlesource · researchdata tees ac ukconnector:researchdata_tees_ac_uk@1.0.0/metadata/dc/title