GENERAL INFORMATION 1. Title of Dataset: Dataset supporting publication "3D reconstruction of the magnetization vector via XMCD-PEEM". 2. Authors: Miguel A. Cascales Sandoval, A. Hierro-Rodríguez, S. Ruiz-Gómez, L. Skoric, C. Donnelly, M. A. Niño, D. McGrouther, S. McVitie, S. Flewett, N. Jaouen, M. Foerster, and A. Fernández-Pacheco. 3. Date of data collection: 2020-2022. 4. Date of data publication on repository: Pending. 5. Geographic location of data collection: ALBA Synchrotron (Spain), Glasgow (UK), Zaragoza (Spain). 6. Information about funding sources that supported the collection of the data (including research project reference/acronym): This work was supported by UKRI through an EPSRC studentship, EP/N509668/1 and EP/R513222/1, the European Community under the Horizon 2020 Program, Contract No. 101001290 (3DNANOMAG), the MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1), and the Aragon Government through the Project Q-MAD. The ALBA Synchrotron is funded by the Ministry of Research and Innovation of Spain, by the Generalitat de Catalunya and by European FEDER funds. 7. Recommended citation for this dataset: Same as title. SHARING/ACCESS/CONTEXT INFORMATION 1. Usage Licenses/restrictions placed on the data (please indicate if different data files have different usage license): CC-BY 2. Links to publications/other research outputs that cite the data: N/A 3. Links to publications/other research outputs that use the data: N/A 4. Links to other publicly accessible locations of the data: N/A 5. Links/relationships to ancillary data sets: N/A 6. Was data derived from another source? If so, please add link where such work is located: N/A DATA & FILE OVERVIEW 1. File List: The data is structured in different folders for each of the figures: - Figure3: contains the numpy arrays for plotting the data corresponding to the figure. The attached notebook shows how to read and plot the data. - Figure4: contains the numpy arrays for plotting the data corresponding to the figure. The attached notebook shows how to read and plot the data. 2. Relationship between files, if important: N/A 3. Additional related data collected that was not included in the current data package: N/A 4. Are there multiple versions of the dataset? If so, please indicate where they are located: N/A METHODOLOGICAL INFORMATION 1. Description of methods used for collection/generation of data: Data was generated from XMCD-PEEM experiments. 2. Methods for processing the data: Self-developed python code provided with data. 3. Instrument- or software-specific information needed to interpret/reproduce the data, please indicate their location: Figures can be readily generated with the corresponding python jupyter notebooks located in each of the folders. 4. Standards and calibration information, if appropriate: N/A 5. Environmental/experimental conditions: N/A 6. Describe any quality-assurance procedures performed on the data: Scientific standards 7. People involved with sample collection, processing, analysis and/or submission, please specify using CREDIT roles All authors contributed to this work. 8. Author contact information: Miguel Ángel Cascales Sandoval: Amalio Fernández-Pacheco: amaliofp@unizar.es