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.
Reduction in anti-ferromagnetic interactions in ion-beam deposited Fe3O4 thin films
Rent:
Rent this article for
USD
10.1063/1.3699309
/content/aip/journal/jap/111/7/10.1063/1.3699309
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3699309
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

GAXRD patterns of Fe3O4 films grown at different substrate temperatures (Glancing angle −0.5°).

Image of FIG. 2.
FIG. 2.

Raman spectra for all the film-samples deposited at 150, 175, 200, 225, and 250 °C recorded at room temperature in the range of 100–1000 cm−1.

Image of FIG. 3.
FIG. 3.

R vs T dependence of all samples deposited at different temperatures. Only the 175 °C sample (Δ) shows the sharp change in R around 115 K. Curve (•) with arrow to the right shows the AC susceptibility vs T behavior of the 175 °C sample. Inset shows the ln(ρ) vs T−1/2 behavior of the 175 °C deposited sample with linear fit in the temperature range of 240–115 K and below in the vicinity of the Verwey transition.

Image of FIG. 4.
FIG. 4.

The in-plane magnetization hysteresis loops of the 175 °C sample recorded at 300, 140, 115, 70, and 50 K. The inset shows the fitting (solid line in red) of the magnetization curve (filled square symbols) in the first quadrant using the M = MS (1 – b/Hn) corresponding to T = 300 K for this film sample.

Image of FIG. 5.
FIG. 5.

The out-of-plane magnetization hysteresis loops measured on the 175 °C sample recorded at 300, 140, 115, 70, and 50 K.

Image of FIG. 6.
FIG. 6.

Temperature dependence of the coercivity of the 175 °C deposited magnetite films obtained in H-parallel and H-perpendicular cases with respect to film plane. The change in the slope of coercivity around 115 K corresponds to the Verwey transition. The inset shows the variation of saturation moment, MS with temperature for this sample.

Image of FIG. 7.
FIG. 7.

The room temperature in-plane and out-of-plane magnetization hysteresis loops measured on the sample deposited at 250 °C.

Loading

Article metrics loading...

/content/aip/journal/jap/111/7/10.1063/1.3699309
2012-04-03
2014-04-16
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reduction in anti-ferromagnetic interactions in ion-beam deposited Fe3O4 thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3699309
10.1063/1.3699309
SEARCH_EXPAND_ITEM