Control of Intrinsic Defects in Lithium Niobate Single Crystal for Optoelectronic Applications
AbstractA single crystal of lithium niobate is an important optoelectronic material. It can be grown from direct melt only in a lithium deficient non-stoichiometric form as its stoichiometric composition exhibits incongruent melting. As a result it contains a number of intrinsic point defects such as Li-vacancies, Nb antisites, oxygen vacancies, as well as different types of polarons and bipolarons. All these defects adversely influence its optical and ferroelectric properties and pose a deterrent to the effective use of this material. Hence, controlling the defects in lithium niobate has been an exciting topic of research and development over the years. In this article we discuss the different methods of controlling the intrinsic defects in lithium niobate and a comparison of the effect of these methods on the crystalline quality, stoichiometry, optical absorption in the UV-vis region, electronic band-gap, and refractive index. View Full-Text
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Bhatt, R.; Bhaumik, I.; Ganesamoorthy, S.; Bright, R.; Soharab, M.; Karnal, A.K.; Gupta, P.K. Control of Intrinsic Defects in Lithium Niobate Single Crystal for Optoelectronic Applications. Crystals 2017, 7, 23.
Bhatt R, Bhaumik I, Ganesamoorthy S, Bright R, Soharab M, Karnal AK, Gupta PK. Control of Intrinsic Defects in Lithium Niobate Single Crystal for Optoelectronic Applications. Crystals. 2017; 7(2):23.Chicago/Turabian Style
Bhatt, Rajeev; Bhaumik, Indranil; Ganesamoorthy, Sarveswaran; Bright, Riscob; Soharab, Mohammad; Karnal, Ashwani K.; Gupta, Pradeep K. 2017. "Control of Intrinsic Defects in Lithium Niobate Single Crystal for Optoelectronic Applications." Crystals 7, no. 2: 23.
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