Dielectric properties of SrBi2Ta2O9 films in the low-temperature range

  • Pingxiong Yang*
  • , Ming Guo
  • , Meirong Shi
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The dielectric properties and the voltage tunability of SrBi 2Ta2O9 thin films in the low temperature range of 10-300 K, were investigated. The crystallographic structure of the SBT thin films was characterized by X-ray diffraction (XRD) and the microstructure of the films was observed by atomic force microscopy (AFM). The origin of temperature effect of tunability may arise from switchable polarization that are frozen at low temperature which suppress magnitude of capacitance peaks. The results show that SBT films are promising materials for application in electrically tunable microwave devices.

Original languageEnglish
Pages (from-to)6329-6331
Number of pages3
JournalJournal of Materials Science
Volume40
Issue number23
DOIs
StatePublished - Dec 2005

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