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Electrical and microstructural properties of BaTiO3 thin films on p-Si substrates grown by metalorganic chemical vapor deposition

  • T. W. Kim
  • , M. Jung
  • , Y. S. Yoon
  • , W. N. Kang
  • , H. S. Shin
  • , S. S. Yom
  • , Jong Yong Lee
  • Kwangwoon University
  • Korea Institute of Science and Technology
  • Korea Advanced Institute of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Metalorganic chemical vapor deposition of BaTiO3 using Ba(tmhd)2, Ti(OC3H7)4, and N2O via thermal pyrolysis was performed in order to produce BaTiO3 insulator gates with a dielectric constant of high magnitude. Transmission electron microscopy results showed that the BaTiO3 films has a polycrystalline. Room-temperature current-voltage and capacitance-voltage measurements clearly revealed metal-insulator-semiconductor behavior for the samples with a BaTiO3 insulator gate. The dielectric constant determined from the capacitance-voltage measurements was as large as 1157. These results indicate that the BaTiO3 layer may be used for high-density dynamic-memory applications.

Original languageEnglish
Pages (from-to)565-568
Number of pages4
JournalSolid State Communications
Volume86
Issue number9
DOIs
StatePublished - Jun 1993
Externally publishedYes

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