Biomedical Engineering Reference
In-Depth Information
Fig. 8.33
Bright-field TEM
image of an interface of a
YBa
2
Cu
3
O
7
matrix/Y
2
Ba-CuO
5
precipitate prepared by the
tripod polishing technique.
This image shows all of the
interfaces surrounding the
precipitate and the matrix
twinning, ending in
dislocations on the surface of
the precipitate. (
J. Ayache,
CNRS, CSNM, Orsay
)
Fig. 8.34
Bright-field TEM
image of a
YBa
2
Cu
3
O
7
/Y
2
BaCuO
5
interface prepared using the
ion milling technique,
showing selective abrasion of
the interface, and significant
irradiation damage in the
matrix and precipitate.
(
J. Ayache, CNRS, CSNM,
Orsay
)
3.2.6 Comparison of “Tripod Polishing” and “Ion Milling” Techniques
Tripod Polishing Technique (“Techniques” Chapter 4, Section 3) - Ion Milling
Technique (“Techniques” Chapter 3, Section 5)
Multilayer composite ceramic material: YBa
2
Cu
3
O
7
/SrTiO
3
Comparison discussion
: Obviously, the tripod polishing technique produces
the best results on the microstructure of the interfaces in the multilayer material
(Fig.
8.35)
. In fact, this technique can be used to analyze all of the defects at the
Search WWH ::
Custom Search