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.
Effect of barium-deficiency on the structural, magnetic, and magnetocaloric properties of La0.6Sr0.2Ba0.2−xxMnO3 (0 ≤ x ≤ 0.15)
Rent:
Rent this article for
USD
10.1063/1.4792730
/content/aip/journal/jap/113/7/10.1063/1.4792730
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792730

Figures

Image of FIG. 1.
FIG. 1.

Observed (solid circles) and calculated (solid line) XRD patterns of La0.6Sr0.2Ba0.2−XXMnO3 (x = 0.0 and x = 0.1) at room temperature. The difference between these spectra is plotted at the bottom. Bragg reflections are indicated by ticks.

Image of FIG. 2.
FIG. 2.

Ba deficient dependences of the lattice parameters a, b, and c and variation of 〈Mn–O–Mn〉 angles and 〈Mn–O〉 lengths as a function of deficient content.

Image of FIG. 3.
FIG. 3.

Magnetization measurements as a function of temperature for La0.6Sr0.2Ba0.2−XXMnO3 (x = 0.00, 0.05, 0.10, and 0.15) samples under 0.05 T. The inset shows the plot of dM/dT versus T and TC versus x.

Image of FIG. 4.
FIG. 4.

Isothermal magnetization M(H) for La0.6Sr0.2Ba0.2−XXMnO3 samples at several temperatures: (a) x = 0.00 and (b) x = 0.15.

Image of FIG. 5.
FIG. 5.

Arrot curves M2 versus μ 0 H/M for La0.6Sr0.2Ba0.2−XXMnO3 samples: (a) x = 0.05 and (b) x = 0.1.

Image of FIG. 6.
FIG. 6.

Spontaneous magnetization and inverse of susceptibility versus T for La0.6Sr0.2Ba0.2MnO3. The inset shows the ln-ln plot for determining the critical exponent β and γ.

Image of FIG. 7.
FIG. 7.

M vs μ 0H isotherm measured at TC = 350 K. The inset shows the ln-ln plot for determining the critical exponent δ and modified Arrott plot for La0.6Sr0.2Ba0.2MnO3.

Image of FIG. 8.
FIG. 8.

Magnetic entropy change versus temperature for the La0.6Sr0.2Ba0.2−XXMnO3 samples at several magnetic applied field changes: (a) x = 0.00, (b) x = 0.05, (c) x = 0.10, and (d) x = 0.15.

Image of FIG. 9.
FIG. 9.

Experimental and theoretical magnetic entropy change ΔSM for x = 0.05 for ΔH = 1 T and 3 T. The insets show the temperature dependence of Landau coefficients A(T), B(T), and C(T). The units forA(T), B(T), and C(T) are T2 kg/J, T4 kg3/J3, and T6 kg5/J5, respectively.

Tables

Generic image for table
Table I.

Refined structural parameters of La0.6Sr0.2Ba0.2−XXMnO3 (0.0 ≤ x ≤ 0.15) compounds at room temperature.

Loading

Article metrics loading...

/content/aip/journal/jap/113/7/10.1063/1.4792730
2013-02-19
2014-04-16
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of barium-deficiency on the structural, magnetic, and magnetocaloric properties of La0.6Sr0.2Ba0.2−x◻xMnO3 (0 ≤ x ≤ 0.15)
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792730
10.1063/1.4792730
SEARCH_EXPAND_ITEM