Comparison of the Electrical Properties of ZnO Thin Films on Different Substrates by Pulsed Laser Deposition

M. Echizen, S. Motoyama, T. Tatsuta, O. Tsuji, R. S. Katiyar*, A. Kumar, J. F. Scott

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

ZnO thin films were deposited on SiO2/Si(100) and single-crystal MgO substrate using pulsed laser deposition. High-quality ZnO thin films were fabricated on both substrates successfully. Interdigital transducer-shaped Al electrodes were used for measuring electrical properties. Electrical current as a function of voltage, temperature-dependent I-V, and impedance of ZnO thin films were measured. ZnO thin films on MgO substrate show ohmic behavior. On the other hand, ZnO thin films on SiO2/Si(100) substrate show good thermal stability but Schottky-like diode behavior.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
JournalIntegrated Ferroelectrics
Volume133
DOIs
Publication statusPublished - 2012

Keywords

  • ZnO thin films
  • pulsed laser deposition
  • SiO2/Si(100) substrates
  • single crystal MgO
  • MBE GROWTH
  • DOPED ZNO
  • TEMPERATURE
  • TRANSISTOR

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