@misc{9248476,
  abstract     = {{To study Si and Fe based microwires coated with TiN we will need to design and test
a cell on a tabletop X-ray setup called easyXAFS300. To do this we have developed a
X-ray absorption spectroscopy spectroelectrical (XAS-SEC) cell. To test the easyX-
AFS300 equipment on the soft part of the X-ray spectrum we have cooperated with
Hang Yin to measure a Lanthanum halide compound Cs3LaCl6. These compounds
are interesting for there luminescence properties and are thought to have a use as
X-ray scintillators. It has been shown in previous XPS measurements that In dopant
will cause a structural change in this compound. We seek to determine this in a x-ray
near edge spectroscopy (XANES) measurement. To measure these microwires we also
need to be able to make XAS-SEC measurements where we have looked at different
designs for a XAS-SEC cell and design our own 3D-printed version. For our XAS-SEC
measurement we have a potassium iron hexacyanide compound where we induce a ox-
idation change electrochemically and measure that change in a XANES measurement.
For this thesis I have done a course to learn how to preform X-ray absorption measure-
ments (XAS) at MaxIV and how to preform electrochemical measurements as well as
how to make 3D designs. We were able to preform our lanthanum measurement but
unable to confirm previous XPS measurements. While we had several problems with
leaks and water absorption of our 3D-printed XAS-SEC cell. We where able to in-
duce a electrochemical change and measure that change with XANES measurements
despite not being in electrochemical control. This show that with a better designed
cell that these measurement are possible on Si and Fe based micorwires.}},
  author       = {{Roos, Johan}},
  language     = {{eng}},
  note         = {{Student Paper}},
  title        = {{Spectro-electrochemistry using X-ray absorption spectroscopy on a tabletop X-ray machine}},
  year         = {{2026}},
}