DOI: 10.1063/1.2430652. Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process

Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process

10.1063/1.2430652

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Multiferroic thin films with the general formula BiFe1−xScxO3 (x=0.0, 0.1, 0.3, and 0.5mol%) (BFS) were synthesized on Pt∕Ti∕SiO2∕Si substrates through a sol-gel deposition method. From the x-ray diffraction (XRD) analysis, it was observed that the unit cell volume increased upon Sc doping up to 0.3mol%. Impure phase appeared for the BFS (Sc: 0.5mol%) films. Leakage current, ferroelectric, and magnetic properties were also found to improve for Sc doping up to 0.3mol%. Room temperature magnetic coercive field for in-plane orientation of films showed the lowest value for BFS (Sc: 0.3mol%) films, which indicates that BFS (Sc: 0.3mol%) films were more magnetically soft. Room temperature value of the magnetodielectric effect in the presence of magnetic field of 8kOe was found to have maximum of 3.36% for the BFS (Sc: 0.3mol%) films. From the x-ray photoelectron spectroscopy measurements, it was observed that the Fe has mixed valency states of 2+ and 3+. The ratio of Fe2+ and Fe3+ was found to decrease slightly in BFS (Sc: 0.3mol%) films. The improved leakage current and M-H loops support the authors’ observation.

Bibliography

Shannigrahi, S. R., Huang, A., Chandrasekhar, N., Tripathy, D., & Adeyeye, A. O. (2007). Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process. Applied Physics Letters, 90(2).

Authors 5

S. R. Shannigrahi (first)
A. Huang (additional)
N. Chandrasekhar (additional)
D. Tripathy (additional)
A. O. Adeyeye (additional)

References 14 Referenced 113

10.1126/science.1080615 / Science (2003)
10.1080/00150199408245120 / Ferroelectrics (1994)
10.1063/1.1626267 / Appl. Phys. Lett. (2003)
10.1063/1.1458695 / Appl. Phys. Lett. (2002)
10.1063/1.372439 / J. Appl. Phys. (2000)
10.1070/PU1982v025n07ABEH004570 / Sov. Phys. Usp. (1982)
10.1063/1.2222242 / Appl. Phys. Lett. (2006)
10.1063/1.2189453 / Appl. Phys. Lett. (2006)
10.1063/1.1881776 / J. Appl. Phys. (2005)
10.1063/1.2112181 / Appl. Phys. Lett. (2005)
10.1063/1.2336489 / J. Appl. Phys. (2006)
10.1016/j.ssc.2004.12.049 / Solid State Commun. (2005)
10.1063/1.2349491 / J. Appl. Phys. (2006)
10.1063/1.2191947 / Appl. Phys. Lett. (2006)

Dates

Type	When
Created	18 years, 7 months ago (Jan. 8, 2007, 7 p.m.)
Deposited	2 years, 1 month ago (July 2, 2023, 11:55 p.m.)
Indexed	3 weeks, 4 days ago (July 30, 2025, 6:48 a.m.)
Issued	18 years, 7 months ago (Jan. 8, 2007)
Published	18 years, 7 months ago (Jan. 8, 2007)
Published Online	18 years, 7 months ago (Jan. 8, 2007)
Published Print	18 years, 7 months ago (Jan. 8, 2007)

Funders 0

None

BibTeX

@article{Shannigrahi_2007, title={Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process}, volume={90}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2430652}, DOI={10.1063/1.2430652}, number={2}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Shannigrahi, S. R. and Huang, A. and Chandrasekhar, N. and Tripathy, D. and Adeyeye, A. O.}, year={2007}, month=jan }

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  "abstract": "<jats:p>Multiferroic thin films with the general formula BiFe1\u2212xScxO3 (x=0.0, 0.1, 0.3, and 0.5mol%) (BFS) were synthesized on Pt\u2215Ti\u2215SiO2\u2215Si substrates through a sol-gel deposition method. From the x-ray diffraction (XRD) analysis, it was observed that the unit cell volume increased upon Sc doping up to 0.3mol%. Impure phase appeared for the BFS (Sc: 0.5mol%) films. Leakage current, ferroelectric, and magnetic properties were also found to improve for Sc doping up to 0.3mol%. Room temperature magnetic coercive field for in-plane orientation of films showed the lowest value for BFS (Sc: 0.3mol%) films, which indicates that BFS (Sc: 0.3mol%) films were more magnetically soft. Room temperature value of the magnetodielectric effect in the presence of magnetic field of 8kOe was found to have maximum of 3.36% for the BFS (Sc: 0.3mol%) films. From the x-ray photoelectron spectroscopy measurements, it was observed that the Fe has mixed valency states of 2+ and 3+. The ratio of Fe2+ and Fe3+ was found to decrease slightly in BFS (Sc: 0.3mol%) films. The improved leakage current and M-H loops support the authors\u2019 observation.</jats:p>",
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