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Blue and infrared cathodoluminescence induced by carbon-irradiation in SrTiO3 single crystal

  • Jaehoon Rho
  • , Sunghoon Jung
  • , Sangwon Shin
  • , Jihwan Kwon
  • , Miyoung Kim
  • , Jonghan Song
  • , Eunjip Choi
  • University of Seoul
  • Korea Institute of Science and Technology
  • Seoul National University

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We show that blue-CL (λ=430nm) can be induced in SrTiO3 single crystal at room temperature by irradiating it with 60 KeV carbon ion (C-) beam. An infrared CL-emission (λ=770nm) is induced simultaneously. Transmission electron microscopy (TEM) measurement exhibits an 200 nm thick surface layer formed by the C- irradiation. We show that the emitting region can be patterned into any desired shape by fabricating the STO surface using Pt-based micro-lithography technique.

Original languageEnglish
Pages (from-to)1687-1689
Number of pages3
JournalJournal of Luminescence
Volume130
Issue number10
DOIs
StatePublished - Oct 2010

Keywords

  • Cathodoluminescence
  • Ion bean
  • Photoluminescence
  • SrTiO

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