Influence of Pb and la contents on the lattice configuration of La-substituted Pb(Zr,Ti)O3 films fabricated by CSD method

Hiromi Shima; Ken Nishida; Hiroshi Funakubo; Takashi Iijima; Takashi Katoda; Hiroshi Naganuma; Soichiro Okamura

doi:10.1109/TUFFC.2009.1091

Influence of Pb and la contents on the lattice configuration of La-substituted Pb(Zr,Ti)O₃ films fabricated by CSD method

Hiromi Shima, Ken Nishida, Hiroshi Funakubo, Takashi Iijima, Takashi Katoda, Hiroshi Naganuma, Soichiro Okamura

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The influence of Pb and La contents on the lattice configuration in La-substituted Pb(Zr_0.65,Ti_0.35)O₃ (La- PZT) films was systematically investigated. La-PZT films with various La and Pb contents were fabricated on Pt/Ti/SiO2/Si substrates by chemical solution deposition (CSD). In the La- PZT films with a Pb content ratio of 125% relative to a stoichiometric value, La ions were substituted for not only A-site ions but also B-site ions at La contents greater than 3 mol%. La substitution for B-site seems to cause larger reduction of the unit cell size. In addition, we found that in the La-PZT films with a La content of 3 mol%, the Pb content of 116 mol% (120% relative to a stoichiometric value) was optimum from the viewpoint of site occupancy. This indicates that excess Pb prevented the A-site substitution of La ions.

Original language	English
Article number	4815298
Pages (from-to)	687-691
Number of pages	5
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	56
Issue number	4
DOIs	https://doi.org/10.1109/TUFFC.2009.1091
Publication status	Published - 2009 Apr
Externally published	Yes

ASJC Scopus subject areas

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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title = "Influence of Pb and la contents on the lattice configuration of La-substituted Pb(Zr,Ti)O3 films fabricated by CSD method",

abstract = "The influence of Pb and La contents on the lattice configuration in La-substituted Pb(Zr0.65,Ti0.35)O3 (La- PZT) films was systematically investigated. La-PZT films with various La and Pb contents were fabricated on Pt/Ti/SiO2/Si substrates by chemical solution deposition (CSD). In the La- PZT films with a Pb content ratio of 125% relative to a stoichiometric value, La ions were substituted for not only A-site ions but also B-site ions at La contents greater than 3 mol%. La substitution for B-site seems to cause larger reduction of the unit cell size. In addition, we found that in the La-PZT films with a La content of 3 mol%, the Pb content of 116 mol% (120% relative to a stoichiometric value) was optimum from the viewpoint of site occupancy. This indicates that excess Pb prevented the A-site substitution of La ions.",

author = "Hiromi Shima and Ken Nishida and Hiroshi Funakubo and Takashi Iijima and Takashi Katoda and Hiroshi Naganuma and Soichiro Okamura",

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AU - Shima, Hiromi

AU - Nishida, Ken

AU - Funakubo, Hiroshi

AU - Iijima, Takashi

AU - Katoda, Takashi

AU - Naganuma, Hiroshi

AU - Okamura, Soichiro

PY - 2009/4

Y1 - 2009/4

N2 - The influence of Pb and La contents on the lattice configuration in La-substituted Pb(Zr0.65,Ti0.35)O3 (La- PZT) films was systematically investigated. La-PZT films with various La and Pb contents were fabricated on Pt/Ti/SiO2/Si substrates by chemical solution deposition (CSD). In the La- PZT films with a Pb content ratio of 125% relative to a stoichiometric value, La ions were substituted for not only A-site ions but also B-site ions at La contents greater than 3 mol%. La substitution for B-site seems to cause larger reduction of the unit cell size. In addition, we found that in the La-PZT films with a La content of 3 mol%, the Pb content of 116 mol% (120% relative to a stoichiometric value) was optimum from the viewpoint of site occupancy. This indicates that excess Pb prevented the A-site substitution of La ions.

AB - The influence of Pb and La contents on the lattice configuration in La-substituted Pb(Zr0.65,Ti0.35)O3 (La- PZT) films was systematically investigated. La-PZT films with various La and Pb contents were fabricated on Pt/Ti/SiO2/Si substrates by chemical solution deposition (CSD). In the La- PZT films with a Pb content ratio of 125% relative to a stoichiometric value, La ions were substituted for not only A-site ions but also B-site ions at La contents greater than 3 mol%. La substitution for B-site seems to cause larger reduction of the unit cell size. In addition, we found that in the La-PZT films with a La content of 3 mol%, the Pb content of 116 mol% (120% relative to a stoichiometric value) was optimum from the viewpoint of site occupancy. This indicates that excess Pb prevented the A-site substitution of La ions.

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Influence of Pb and la contents on the lattice configuration of La-substituted Pb(Zr,Ti)O₃ films fabricated by CSD method

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