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.
Relationship between flux pinning and microstructure in thin films with columnar grains formed by molecular beam epitaxy
Rent:
Rent this article for
USD
10.1063/1.2720272
/content/aip/journal/apl/90/14/10.1063/1.2720272
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2720272
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of film deposition based on MBE. Magnesium (Mg) and boron (B) were respectively evaporated by an effusion cell and an electron-beam evaporator. The angle between the supply direction of element flux and the substrate plane was 45° for Mg and 75° for boron.

Image of FIG. 2.
FIG. 2.

Cross-section TEM images of thin films: (a) film and (b) film . In both films, columnar grain growth of can be observed. In film , the columnar grains grew at a right angle with respect to the substrate plane. In film , the growth of columnar grains was inclined in a direction perpendicular to the substrate plane. The dashed line shows a columnar grain boundary. Similar boundaries are indicated by the arrows.

Image of FIG. 3.
FIG. 3.

Relationship between at and the angle of external magnetic field to the films: (a) film and (b) film . For film , showed a maximum value at exactly 90°. For film , the peak of was obtained at about 80°, corresponding to the growth angle of columnar grains.

Image of FIG. 4.
FIG. 4.

Magnetic field dependence of at for films in a magnetic field (a) parallel and (b) perpendicular to the film plane. (a) With a parallel field, of both films (films and ) showed similar dependence on magnetic field. (b) However, with a perpendicular field, for film showed higher values than those for film .

Loading

Article metrics loading...

/content/aip/journal/apl/90/14/10.1063/1.2720272
2007-04-06
2014-04-23
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Relationship between flux pinning and microstructure in MgB2 thin films with columnar grains formed by molecular beam epitaxy
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2720272
10.1063/1.2720272
SEARCH_EXPAND_ITEM