1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Observation of the effect of grain orientation on chromium segregation in longitudinal magnetic media
Rent:
Rent this article for
USD
10.1063/1.2169873
/content/aip/journal/jap/99/3/10.1063/1.2169873
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/3/10.1063/1.2169873

Figures

Image of FIG. 1.
FIG. 1.

EFTEM core-loss ratio images of (a) , for which elemental fluctuations do not correspond only with grain boundaries, and (b) , showing Cr-enriched grain boundaries.

Image of FIG. 2.
FIG. 2.

Cross-sectional view of longitudinal magnetic media hard disk (not to scale).

Image of FIG. 3.
FIG. 3.

(a) Cross-sectional view of the concavity needed for induced-curvature method. (b) Schematic of traditional “dimpled” curvature.

Image of FIG. 4.
FIG. 4.

Appearance of sample in the optical microscope after etching.

Image of FIG. 5.
FIG. 5.

Charts of average grain-boundary and grain-interior compositions for (a) (83 boundaries and 38 interiors tested) and (b) (54 boundaries and 16 interiors tested). The overall average composition agrees well with the nominal composition.

Image of FIG. 6.
FIG. 6.

TEM image (a) and energy-dispersive x-ray spectra from grain-interior (b) and grain-boundary (c) nanoprobe positions in media.

Image of FIG. 7.
FIG. 7.

EFTEM ratio images of (a) and (b) .

Image of FIG. 8.
FIG. 8.

TEM micrographs of grains in [(a) and (b)] with -axis orientations delineated and measured.

Image of FIG. 9.
FIG. 9.

Cr vs -axis interangle for .

Image of FIG. 10.
FIG. 10.

Cr vs -axis interangle for .

Image of FIG. 11.
FIG. 11.

TEM micrographs of showing -axis and grain-boundary habit plane interangles for both grains surrounding the boundary. Both (a) and (b) are examples of low Cr boundaries.

Image of FIG. 12.
FIG. 12.

TEM micrographs of showing -axis and grain-boundary habit plane interangles for both grains surrounding the boundary. Both (a) and (b) are examples of high Cr boundaries.

Tables

Generic image for table
Table I.

Coincidence results from grain-boundary habit plane study.

Loading

Article metrics loading...

/content/aip/journal/jap/99/3/10.1063/1.2169873
2006-02-07
2014-04-25
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of the effect of grain orientation on chromium segregation in longitudinal magnetic media
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/3/10.1063/1.2169873
10.1063/1.2169873
SEARCH_EXPAND_ITEM