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Magnetocapacitance and impedance spectroscopy of Ba0.7Sr0.3TiO3/La0.67Sr0.33MnO3 and Ba0.8Sr0.2TiO3/La0.67Sr0.33MnO3 thin film heterostructures
- Authors
- Tarale, Arjun N.; Joshi, Pradeep B.; Kulkarni, Shrinivas B.; Reddy, Varimalla Raghavendra; Gupta, Mukul; Pawar, Rajendra C.; Lee, Sunyong Caroline
- Issue Date
- Jun-2014
- Publisher
- Kluwer Academic Publishers
- Keywords
- Sol-gel technique; Magnetocapacitance; Impedance spectroscopy; Thin films
- Citation
- Journal of Sol-Gel Science and Technology, v.70, no.3, pp 346 - 354
- Pages
- 9
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Sol-Gel Science and Technology
- Volume
- 70
- Number
- 3
- Start Page
- 346
- End Page
- 354
- ISSN
- 0928-0707
1573-4846
- Abstract
- The paper discuses synthesis of Ba0.7Sr0.3TiO3/La0.67Sr0.33MnO3 and Ba0.8Sr0.2TiO3/La0.67Sr0.33MnO3 thin film heterostructures by sol-gel (citrate gel route) method. The XRD spectra are determined for confirmation of crystalline phases of Ba0.7Sr0.3TiO3, Ba0.8Sr0.2TiO3 and La0.67Sr0.33MnO3 thin films. The observed variation of Cp, tan delta, magnetocapacitance (Mc), real part of dielectric constant epsilon', imaginary part of dielectric constant epsilon aEuro(3)as a function of frequency, magnetoresistance R(H) and magnetoimpedance Z(H) are presented in the paper. Further the observed impedance spectra as a function of frequency f is also presented in the paper. The observed variation of Mc is qualitatively correlated with the stress induced effect and magnetoresistasnce effect occurring simultaneously.
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Related Researcher
- Lee, Sunyong Caroline
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)