DOI: 10.1063/1.1825057. Artificial ferroelectricity in perovskite superlattices

Artificial ferroelectricity in perovskite superlattices

10.1063/1.1825057

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Artificial superlattices of SrZrO3(SZO)∕SrTiO3(STO) were fabricated by molecular-beam epitaxy. Lattice parameters showed that the lattice distortion (c∕a ratio) attained a maximum value in the [(SZO)10∕(STO)10]4 superlattice. Dielectric relaxation was observed in the [(SZO)1∕(STO)1]40 and [(SZO)10∕(STO)10]4 superlattices in the low frequency domain. Dielectric permittivity of the SZO∕STO superlattices was over 10 000 at 110MHz. The SZO∕STO superlattices showed clear Q–V hysteresis curves, which indicated that ferroelectricity was induced artificially in the superlattices in spite of the paraelectric nature of SZO and STO. The origin of the ferroelectricity was related to the anisotropic lattice distortion in the superlattice structure.

Bibliography

Tsurumi, T., Harigai, T., Tanaka, D., Nam, S.-M., Kakemoto, H., Wada, S., & Saito, K. (2004). Artificial ferroelectricity in perovskite superlattices. Applied Physics Letters, 85(21), 5016â5018.

Authors 7

Takaaki Tsurumi (first)
Takakiyo Harigai (additional)
Daisuke Tanaka (additional)
Song-Min Nam (additional)
Hirofumi Kakemoto (additional)
Satoshi Wada (additional)
Keisuke Saito (additional)

References 14 Referenced 76

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10.1143/JJAP.33.5192 / Jpn. J. Appl. Phys., Part 1 (1994)
10.1143/JJAP.37.5104 / Jpn. J. Appl. Phys., Part 1 (1998)
10.1063/1.112837 / Appl. Phys. Lett. (1994)
10.1063/1.1433180 / J. Appl. Phys. (2002)
10.1063/1.1625780 / J. Appl. Phys. (2003)
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10.1016/S0921-5107(98)00237-2 / Mater. Sci. Eng., B (1998)
10.1088/0953-8984/15/25/401 / J. Phys.: Condens. Matter (2003)
10.1063/1.1320040 / Appl. Phys. Lett. (2000)
{'key': '2024020404303735500_c11', 'first-page': '709', 'volume': '430', 'year': '2004', 'journal-title': 'Nature (London)'} / Nature (London) (2004)
10.1143/JJAP.36.5575 / Jpn. J. Appl. Phys., Part 1 (1997)
{'key': '2024020404303735500_c13', 'first-page': '1286', 'volume': '67', 'year': '1998', 'journal-title': 'Oyo Butsuri'} / Oyo Butsuri (1998)
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Dates

Type	When
Created	20 years, 9 months ago (Nov. 23, 2004, 10:21 p.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 11:30 p.m.)
Indexed	1 year, 7 months ago (Feb. 4, 2024, 12:10 a.m.)
Issued	20 years, 9 months ago (Nov. 22, 2004)
Published	20 years, 9 months ago (Nov. 22, 2004)
Published Print	20 years, 9 months ago (Nov. 22, 2004)

Funders 0

None

BibTeX

@article{Tsurumi_2004, title={Artificial ferroelectricity in perovskite superlattices}, volume={85}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1825057}, DOI={10.1063/1.1825057}, number={21}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Tsurumi, Takaaki and Harigai, Takakiyo and Tanaka, Daisuke and Nam, Song-Min and Kakemoto, Hirofumi and Wada, Satoshi and Saito, Keisuke}, year={2004}, month=nov, pages={5016–5018} }

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