Study of OH absorption mode due to domain inversion in lithium niobate crystals

P. C. Tsai, C. T. Chia, H. F. Lu, S. H. Lin

研究成果: 書貢獻/報告類型會議貢獻

摘要

Recently, the significant change of OH spectra of highly Mg-doped LiNbO3 during polarization reversal process have been found experimentally. However, there is no proper theory and model to explain the unusual phenomena. Based on the Nb-vacancy model, the OH absorption band for highly Zn and Mg doped LiNbO3 single crystals under coercive field were calculated. Theoretical investigation of OH absorption band under the forward and back coercive field are also investigated. Our result shows the Zn2+ and Mg2+ ions sit at Li lattice sites for highly doped LiNbO3 single crystals. The theoretical prediction of the disappearing and the reappearing of the OH absorption band after polarization reversal agrees well with the experimental result, and this indicates that Zn2+ and Mg2+ ions do not substitute the Nb-lattice sites.

原文英語
主出版物標題2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF
頁面324-325
頁數2
DOIs
出版狀態已發佈 - 2007 十二月 1
事件2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF - Nara-city, 日本
持續時間: 2007 五月 272007 五月 31

其他

其他2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF
國家日本
城市Nara-city
期間07/5/2707/5/31

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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