Photorefraction Dependent on Composition in LiNbO 3  Crystals with and without MgO Doping | Zendy

Kan S. | Zendy; Sakamoto M. | Zendy; Okano Y. | Zendy; Yoon D. H. | Zendy; Fukuda T. | Zendy; Oguri O. | Zendy; Sasaki T. | Zendy

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Photorefraction Dependent on Composition in LiNbO 3 Crystals with and without MgO Doping

Author(s) -

Kan S.,

Sakamoto M.,

Okano Y.,

Yoon D. H.,

Fukuda T.,

Oguri O.,

Sasaki T.

Publication year - 1996

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170310314

Subject(s) - doping , stoichiometry , composition (language) , crystal (programming language) , materials science , photoconductivity , chemical composition , analytical chemistry (journal) , crystallography , mineralogy , chemistry , optoelectronics , organic chemistry , linguistics , philosophy , computer science , programming language

The photorefraction in LiNbO 3 single crystals dependent on the melt composition with and without MgO doping was investigated. It was found that 1 mol% MgO‐doped crystal with nearly stoichiometric composition has a strong photorefraction resistance. compared with a congruent composition. In an undoped crystal, the photorefraction was shown to be pronounced as incrcasing Li content of a melt from 48.6 to 58 mol% Li 2 O. These results were discussed from a viewpoint of the relationship between the photoconductivity and the concentration of cation‐site vacancies or Nb on Li‐site.

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