Dear
I study a binary alloy (Fe98.7Cu1.3) where a phase change from bcc to fcc is
evident (at the Cu K edge of course) and it depends on the annealing time. I
have 4 samples A,B,C,D, where the A shows a perfect bcc structure, while the D
a clear fcc structure. B and C have structure that is
Hi Sebastiano,
I study a binary alloy (Fe98.7Cu1.3) where a phase change from bcc to fcc
is evident (at the Cu K edge of course) and it depends on the annealing
time. I have 4 samples A,B,C,D, where the A shows a perfect bcc structure,
while the D a clear fcc structure. B and C have
Sebastiano:
Sounds like a martensitic transition since it depends on the annealing
time. Thus, as Bruce wrote, XANES and EXAFS may be expected to be
different, due to the different lengths scales - if the boundaries of
local fcc regions are small. Another origin of this discrepancy in x and
y
