This dataset supports the manuscipt "Magnetic damping in ferromagnetic/heavy-metal systems: The
role of interfaces and the relation to proximity induced magnetism".

A description of the data and file formats is included below.
Please contact Del Atkinson <del.atkinson@durham.ac.uk with any questions.

The data for each figure is in the corresponding folder, with the file name providing the description of the data.

X-ray data was taken using synchrotron radiation at APS, and damping data using a ferromagnetic resonance system in Poznan. SIMS data was taken using a CAMECA SC Ultra system as described in the paper.

Fits can be determined from methods described in the paper


Raw data for determining the damping for Cu based samples within the Cu folder. This folder contains cubfolders corresponding to different spacer layer thicknesses, within each folder is raw field swept FMR data at a given frequency given by the name of the file. Each file has 3 coloumns; field, real and imaginary components. Samples are as described here:

5583	Cu (2 nm)/ CoFe (7 nm) / Pt (Wedge up to 6 nm starting at 3mm)/ Cu (5 nm)/Pt (Wedge up to 6 nm starting at 3mm)/
5582	Cu (2 nm)/ CoFe (7 nm) / Pt (Wedge up to 12 nm starting at 3mm)/ Cu (5 nm)
5580	Cu 2/CoFe 7/Pt 1/Cu wedge 0-5 starting at 4 mm/Pt 1
5576	Cu (2 nm)/ CoFe (7 nm) / Cu (Wedge up to 10 nm) / Pt (10nm)
5572	Cu (2 nm)/ CoFe (7 nm) / Cu (5 nm) / Au (Wedge up to 12nm)
5571	Cu (2 nm)/ CoFe (7 nm) / [Cu (5 nm) / Pt (Wedge up to 2nm)] x6
5568	Cu (2 nm)/ CoFe (7 nm) / [Cu (5 nm) /a Pt (Wedge up to 6 nm)] x2
5567	Cu (2 nm)/ CoFe (7 nm) / Cu (5 nm) / Pt (Wedge up to 12 nm)
5565	Cu 2/CoFe 2-8/Cu 2


Raw data for determining the damping for Au based samples within the Au folder. This folder contains cubfolders corresponding to different spacer layer thicknesses, within each folder is raw field swept FMR data at a given frequency given by the name of the file. Each file has 3 coloumns; field, real and imaginary components. Samples are as described here:

5930
Cu(2 nm) / Co25Fe75 (7nm) / Au (wedge) / Pd (4nm).    Au wedge 0 to 3 nm.
5929
Cu(2 nm) / Co25Fe75 (7nm) / Au (wedge) / Cu (4nm).    Au wedge 0 to 3 nm.
5928
Cu(2 nm) / Co25Fe75 (7nm) / Pt (2 nm) / Au (wedge) / Pt (2 nm). Au wedge 0 to 3 nm.
5927
Cu(2 nm) / Co25Fe75 (7nm) / Au (wedge) / Pt (4nm).     Au wedge 0 to 3 nm


Specific data for other figures is described below

Figure 1
Folder contains cubfolders corresponding to different spacer layer thicknesses, within each folder is raw field swept FMR data at a given frequency.

Figure 3
XRMR data within .dat files with raw x ray data and fits for structural and asymetry components as plotted in the paper with columns description in header.

Figure 4
Folder contains 3 files corresponding to the hysterresis loops, with coloumns of field, and counts, and one file with the flipping ratio vs position (in microns) with columns of position and counts.

Figure 8
Folder contains .dat files corresponding to the three panels shown in the paper. Headers describe columns within each file.

Figure 9
XRMR data within .dat files with raw x ray data and fits for structural and asymetry components as plotted in the paper with columns description in header. Positions -7, 0 and 6 for Pt edge and -2 0 and 6 for Au edge correspond to the increase in Au thickness as described in the text.

Figure 10
Can be determined from the fits in figure 9

Figure 11
Folder contains subfolders for Au and Pt edge data. For each edge, spec files for the hysteresis loops are labelled with the Au thickness and can be opened with PyMCA. Counts as a function of potision are found in the .txt files, with headers describing each column.
