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Multistep damage evolution process in cubic zirconia irradiated with MeV ions
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10.1063/1.3236567
/content/aip/journal/jap/106/7/10.1063/1.3236567
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/7/10.1063/1.3236567

Figures

Image of FIG. 1.
FIG. 1.

(a) RBS spectra recorded with 3.07 MeV ions, in random (filled circles) and -axial (open symbols) directions, on YSZ single crystals irradiated with 4 MeV Au ions at the indicated fluences. Crosses: virgin crystal. [(b) and (c)] RBS spectra recorded with (b) 1.6 MeV and (c) 2.4 MeV ions, in random (filled circles) and -axial (open squares) directions, on YSZ single crystals irradiated with 4 MeV Au ions at . Crosses: virgin crystal. Lines are fits to RBS data with the McChasy Monte Carlo code (Refs. 23 and 24).

Image of FIG. 2.
FIG. 2.

(a) Depth distributions of the damage accumulated in the Zr sublattice of YSZ single crystals irradiated with 4 MeV Au ions at the indicated fluences. The RBS/C analyses were performed with 3.07 MeV He ions. (b) Depth distributions of the damage accumulated in the Zr sublattice of an YSZ single crystal irradiated with 4 MeV Au ions at . The RBS/C analyses were performed with He ions at the indicated energies.

Image of FIG. 3.
FIG. 3.

Variation in as a function of the square root of the energy of the analyzing He beam for an YSZ crystal irradiated with 4 MeV Au ions at a fluence of .

Image of FIG. 4.
FIG. 4.

scans recorded in the vicinity of the (400) reflection for virgin and 4 MeV Au irradiated YSZ single crystals at the indicated fluences. Note that the intensity plotted in logarithmic scale is also displayed as a function of the normalized deviations from the reciprocal lattice vector , which is equal to the elastic strain in the direction normal to the surface sample.

Image of FIG. 5.
FIG. 5.

RSMs in the vicinity of the (400) Bragg reflection for YSZ crystals irradiated with Au ions at (a) and (b) . The intensity is in logarithmic scale, and positions are located either by the in-plane and out-of-plane components of the scattering vector or by the corresponding normalized deviations from the reciprocal lattice vector . Note that the quantity is equal to the normal strain.

Image of FIG. 6.
FIG. 6.

Bright-field TEM micrographs on YSZ crystals irradiated with 4 MeV Au ions at the indicated fluences. Lines are values of measured by RBS/C.

Image of FIG. 7.
FIG. 7.

Summary of RBS/C (variation in , open squares), XRD (variation in , filled circles), and TEM (micrographs) results. Note the logarithmic scale for the fluence axis. Lines are fits to RBS/C and XRD data according to Eq. (1) derived from the MSDA model (Refs. 18 and 19).

Image of FIG. 8.
FIG. 8.

Variation in as a function of the irradiation dose (in dpa) for YSZ crystals irradiated with various heavy ions. RBS/C analyses were all done with 3.07 MeV. Lines are fits to the data according to Eq. (1) derived from the MSDA model (Refs. 18 and 19). The TEM micrographs were recorded in similar conditions in the middle of the sharp transition characteristic of step 2.

Image of FIG. 9.
FIG. 9.

Histograms: nuclear and electronic energy losses as a function of depth for YSZ samples irradiated with 450 keV Xe and 4 MeV Au ions. Plots: projected ranges of implanted ions. These data were calculated with the SRIM Monte Carlo code (Ref. 32).

Tables

Generic image for table
Table I.

Parameters extracted from the fits to RBS/C and XRD experimental data with the MSDA model [Eq. (1)]. Values of and are given in dpa unit for all irradiations and also in fluence unit for 4 MeV Au irradiation.

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/content/aip/journal/jap/106/7/10.1063/1.3236567
2009-10-08
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multistep damage evolution process in cubic zirconia irradiated with MeV ions
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/7/10.1063/1.3236567
10.1063/1.3236567
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