Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2Cu3O7-x/LaAlO 3 heterostructure prepared by Nd:YAG pulsed laser deposition

C. Björmander; A. M. Grishin; B. M. Moon; J. Lee; K. V. Rao

doi:10.1063/1.111191

Ferroelectric/superconductor PbZr_0.52Ti_0.48O ₃/Y₁Ba₂Cu₃O_7-x/LaAlO ₃ heterostructure prepared by Nd:YAG pulsed laser deposition

C. Björmander, A. M. Grishin, B. M. Moon, J. Lee, K. V. Rao

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Abstract

Ferroelectric/superconductor PbZr_0.52Ti_0.48O ₃/Y₁Ba₂ Cu₃O_7-x heterostructures have been grown on single-crystal LaAlO₃ in a Nd:YAG pulsed laser deposition system. The cuprate superconductor is used as the metallic electrode for polarizing the lead zirconate titanate (PZT) layer. X-ray diffraction and rocking curve data evidence almost epitaxial growth of both the PZT (≊4500 Å) and the (YBCO) (≊2500 Å) layers on LaAlO ₃ substrates. Ferroelectric measurements yield remnant polarization values (at 177 kV/cm) of 29 μC/cm², and coercive fields in the range of 70-85 kV/cm. The electrical resistivity of the PZT layer is determined to be 5×10⁸ Ω cm. The electrical resistivity data for the YBCO underlayer even in the presence of the PZT overlayer yields T _c=89.5 K with a transition width of δT=1 K. In summary, excellent characteristics of coexisting superconducting and ferroelectric properties have been achieved in laser deposited PZT/YBCO/LaAlO₃ heterostructures. As far as we know this is the first time such a result has been obtained by using a Nd:YAG pulsed laser deposition technique.

Original language	English
Pages (from-to)	3646-3648
Number of pages	3
Journal	Applied Physics Letters
Volume	64
Issue number	26
DOIs	https://doi.org/10.1063/1.111191
Publication status	Published - 1994
Externally published	Yes

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Physics and Astronomy (miscellaneous)

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@article{952c180626b94a949a82fb1666a2e693,

title = "Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2Cu3O7-x/LaAlO 3 heterostructure prepared by Nd:YAG pulsed laser deposition",

abstract = "Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2 Cu3O7-x heterostructures have been grown on single-crystal LaAlO3 in a Nd:YAG pulsed laser deposition system. The cuprate superconductor is used as the metallic electrode for polarizing the lead zirconate titanate (PZT) layer. X-ray diffraction and rocking curve data evidence almost epitaxial growth of both the PZT (≊4500 {\AA}) and the (YBCO) (≊2500 {\AA}) layers on LaAlO 3 substrates. Ferroelectric measurements yield remnant polarization values (at 177 kV/cm) of 29 μC/cm2, and coercive fields in the range of 70-85 kV/cm. The electrical resistivity of the PZT layer is determined to be 5×108 Ω cm. The electrical resistivity data for the YBCO underlayer even in the presence of the PZT overlayer yields T c=89.5 K with a transition width of δT=1 K. In summary, excellent characteristics of coexisting superconducting and ferroelectric properties have been achieved in laser deposited PZT/YBCO/LaAlO3 heterostructures. As far as we know this is the first time such a result has been obtained by using a Nd:YAG pulsed laser deposition technique.",

author = "C. Bj{\"o}rmander and Grishin, {A. M.} and Moon, {B. M.} and J. Lee and Rao, {K. V.}",

year = "1994",

doi = "10.1063/1.111191",

language = "English",

volume = "64",

pages = "3646--3648",

journal = "Applied Physics Letters",

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T1 - Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2Cu3O7-x/LaAlO 3 heterostructure prepared by Nd:YAG pulsed laser deposition

AU - Björmander, C.

AU - Grishin, A. M.

AU - Moon, B. M.

AU - Lee, J.

AU - Rao, K. V.

PY - 1994

Y1 - 1994

N2 - Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2 Cu3O7-x heterostructures have been grown on single-crystal LaAlO3 in a Nd:YAG pulsed laser deposition system. The cuprate superconductor is used as the metallic electrode for polarizing the lead zirconate titanate (PZT) layer. X-ray diffraction and rocking curve data evidence almost epitaxial growth of both the PZT (≊4500 Å) and the (YBCO) (≊2500 Å) layers on LaAlO 3 substrates. Ferroelectric measurements yield remnant polarization values (at 177 kV/cm) of 29 μC/cm2, and coercive fields in the range of 70-85 kV/cm. The electrical resistivity of the PZT layer is determined to be 5×108 Ω cm. The electrical resistivity data for the YBCO underlayer even in the presence of the PZT overlayer yields T c=89.5 K with a transition width of δT=1 K. In summary, excellent characteristics of coexisting superconducting and ferroelectric properties have been achieved in laser deposited PZT/YBCO/LaAlO3 heterostructures. As far as we know this is the first time such a result has been obtained by using a Nd:YAG pulsed laser deposition technique.

AB - Ferroelectric/superconductor PbZr0.52Ti0.48O 3/Y1Ba2 Cu3O7-x heterostructures have been grown on single-crystal LaAlO3 in a Nd:YAG pulsed laser deposition system. The cuprate superconductor is used as the metallic electrode for polarizing the lead zirconate titanate (PZT) layer. X-ray diffraction and rocking curve data evidence almost epitaxial growth of both the PZT (≊4500 Å) and the (YBCO) (≊2500 Å) layers on LaAlO 3 substrates. Ferroelectric measurements yield remnant polarization values (at 177 kV/cm) of 29 μC/cm2, and coercive fields in the range of 70-85 kV/cm. The electrical resistivity of the PZT layer is determined to be 5×108 Ω cm. The electrical resistivity data for the YBCO underlayer even in the presence of the PZT overlayer yields T c=89.5 K with a transition width of δT=1 K. In summary, excellent characteristics of coexisting superconducting and ferroelectric properties have been achieved in laser deposited PZT/YBCO/LaAlO3 heterostructures. As far as we know this is the first time such a result has been obtained by using a Nd:YAG pulsed laser deposition technique.

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Ferroelectric/superconductor PbZr_0.52Ti_0.48O ₃/Y₁Ba₂Cu₃O_7-x/LaAlO ₃ heterostructure prepared by Nd:YAG pulsed laser deposition

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