Effects of La concentration on the texturing and the electrical properties of sol-gel derived PLT thin films

Chaun Gi Choi, Chang Jung Kim, Dae Sung Yoon, Joon Sung Lee, Won Jong Lee, Kwang Soo No

Research output: Contribution to journalArticle

Abstract

Lanthanum doped lead titanate (PLT) thin films consisting of different La concentrations were fabricated on Pt/Ti/SiO2/Si using sol-gel method. The films were dried at 440°C for 5 min and fired at 600°C using rapid thermal annealing (RTA) for 1min. The preferred orientation (texturing) and the morphology of the PLT film were changed with La concentration and a possible cause of the texturing has been discussed. The effects of La doping to the Lead titanate films on the dielectric constants, P-E hysteresis loop and pyroelectric coefficient were measured and discussed.

Original languageEnglish
Pages (from-to)83-87
Number of pages5
JournalMetals and Materials International
Volume4
Issue number1
DOIs
Publication statusPublished - 1998 Jan 1
Externally publishedYes

Fingerprint

Texturing
Sol-gels
Electric properties
electrical properties
gels
Thin films
thin films
Lead
Lanthanum
Rapid thermal annealing
Hysteresis loops
lanthanum
Sol-gel process
Permittivity
hysteresis
Doping (additives)
permittivity
annealing
causes
coefficients

Keywords

  • Electrical properties
  • PLT
  • RTA
  • Sol-gel
  • Thin film

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Effects of La concentration on the texturing and the electrical properties of sol-gel derived PLT thin films. / Choi, Chaun Gi; Kim, Chang Jung; Yoon, Dae Sung; Lee, Joon Sung; Lee, Won Jong; No, Kwang Soo.

In: Metals and Materials International, Vol. 4, No. 1, 01.01.1998, p. 83-87.

Research output: Contribution to journalArticle

Choi, Chaun Gi ; Kim, Chang Jung ; Yoon, Dae Sung ; Lee, Joon Sung ; Lee, Won Jong ; No, Kwang Soo. / Effects of La concentration on the texturing and the electrical properties of sol-gel derived PLT thin films. In: Metals and Materials International. 1998 ; Vol. 4, No. 1. pp. 83-87.
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