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Preparation of Epitaxial LiNbO_3 Thin Film by MOCVD and Its Properties

机译:MOCVD制备外延LINBO_3薄膜及其性质

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Lithium niobate (LiNbO_3) thin films were deposited on Al_2O_3(001) substrates using metal-organic chemical vapor deposition (MOCVD), with Li(dpm) and Nb(C_2H_5)_5 as precursors. By optimizing the conditions of thin film deposition, the c-axis oriented and epitaxially grown LiNbO_3 thin films with stoichiometric composition were deposited on an Al_2O_3(001) substrate. The refractive index of the stoichiometric LiNbO_3 thin film was 2.24 at λ= 632.8 nm, which is close to that of bulk crystal.
机译:使用金属 - 有机化学气相沉积(MOCVD),用Li(DPM)和Nb(C_2H_5)_5作为前体沉积铌酸锂(LINBO_3)薄膜沉积在Al_2O_3(001)衬底上。通过优化薄膜沉积的条件,沉积在Al_2O_3(001)衬底上沉积具有化学计量组合物的C轴和外延生长的LINBO_3薄膜。化学计量LiNBO_3薄膜的折射率为2.24,λ= 632.8nm,接近散装晶体的折射率。

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