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|Title:||Structural transformation and ferroelectromagnetic behavior in single-phase Bi[sub 1-x]Nd[sub x]FeO₃multiferroic ceramics|
|Authors:||Yuan, G. L.|
Or, Derek Siu-wing
Liu, Z. G.
|Publisher:||American Institute of Physics|
|Source:||Applied physics letters, 31 July 2006, v. 89, no. 5, 052905, p. 1-3|
|Abstract:||Single-phase Bi[sub 1-x]Nd[sub x]FeO₃ (BNFO[sub x]) (x = 0–0.2) multiferroic ceramics were prepared to study the effects of Nd substitution on their crystal structure and ferroelectromagnetic behavior. Rietveld refinement of x-ray diffraction data showed a continual transformation of crystal structure from the rhombohedral structure of BNFO[sub x = 0] (BiFeO₃) to a triclinic structure in BNFO[sub x = 0.05–0.15] and a pseudotetragonal structure in BNFO[sub x = 0.175–0.2]. Ferroelectromagnetic measurements revealed the existence of ferroelectricity with remnant polarization of ∼ 9 μC/cm² in BNFO[sub x = 0–0.175], paraelectricity in BNFO[sub x = 0.2], and weak ferromagnetism with remnant magnetizations of 0.07–0.227 emu/g in BNFO[sub x = 0.15–0.2]. Magnetoelectric coupling was obvious in BNFO[sub x = 0.15–0.175] near the Néel temperature of ∼ 380 °C.|
|Rights:||© 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in G. L. Yuan et al., Appl. Phys. Lett. 89, 052905 (2006) and may be found at http://apl.aip.org/applab/v89/i5/p052905_s1|
|Appears in Collections:||AP Journal/Magazine Articles|
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