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  • Physics  (2)
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  • 1
    Online Resource
    Online Resource
    Controllable doping concentration and defects in Zn:Ru:Fe:LiNbO 3 by [Li]/[Nb] ratios
    World Scientific Pub Co Pte Ltd ; 2022
    In:  Modern Physics Letters B Vol. 36, No. 06 ( 2022-02-28)
    Details
    In: Modern Physics Letters B, World Scientific Pub Co Pte Ltd, Vol. 36, No. 06 ( 2022-02-28)
    Abstract: Lithium niobate is a crystal with excellent electric-optic and nonlinear optical properties. Double-doped and multi-doped lithium niobate are widely used in a wide variety of optical devices. A series of Zn:Ru:Fe:LiNbO 3 crystals with different lithium-niobium molar ([Li]/[Nb] ) ratios were grown by the Czochralski method. The structures of the crystals with different [Li]/[Nb] ratios are analyzed using X-ray diffraction patterns and infrared spectra. The effect of the [Li]/[Nb] ratio dependence of the doped element concentration and segregation coefficient was studied using an inductive coupled plasma-atomic emission spectrometer (ICP-AES). It was found that the doping elements do not change the crystal structure, and the change of the [Li]/[Nb] ratio will affect the concentration and the occupancy of the doped ions in the crystal. The segregation coefficient and defect structures can be controlled by different [Li]/[Nb] ratios in Zn:Ru:Fe:LiNbO 3 crystal.
    Type of Medium: Online Resource
    ISSN: 0217-9849 , 1793-6640
    URL: Article
    DOI: 10.1142/S0217984921505953
    RVK:
    UA 5534.B
    Language: English
    Publisher: World Scientific Pub Co Pte Ltd
    Publication Date: 2022
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  • 2
    Online Resource
    Online Resource
    Dopant Occupancy and UV–Vis–NIR Spectroscopy of Sc:Yb:Tm:LiNbO 3 in the 300–3000 nm Wavelength Range
    Wiley ; 2020
    In:  Crystal Research and Technology Vol. 55, No. 6 ( 2020-06)
    Details
    In: Crystal Research and Technology, Wiley, Vol. 55, No. 6 ( 2020-06)
    Abstract: A series of Sc:Yb:Tm:LiNbO 3 crystals with variable Sc 3+ (0, 1, 2, and 3 mol%) concentration are grown by the Czochralski method. The effective distribution coefficients of Sc 3+ , Yb 3+ , and Tm 3+ ions in the Sc:Yb:Tm:LiNbO 3 crystals are determined by inductively coupled plasma atomic emission spectrometer. Sc 3+ ions distribute uniformly in crystals when Sc 3+ concentration reaches up to 3 mol%. The influence of Sc 3+ concentration on the dopant occupancy and defect structure of Sc:Yb:Tm:LiNbO 3 crystals is investigated by IR transmission spectra. Threshold concentration of Sc 3+ ions in Sc:Yb:Tm:LiNbO 3 crystals is nearly 3 mol%. By analyzing UV–vis–NIR absorption spectra, absorption property of Sc:Yb:Tm:LiNbO 3 crystals is improved by doping Sc 3+ ions. Additionally, the Sc:Yb:Tm:LiNbO 3 crystals can be pumped by commercially available high power AlGaAs LDs.
    Type of Medium: Online Resource
    ISSN: 0232-1300 , 1521-4079
    URL: Issue
    URL: Article
    DOI: 10.1002/crat.v55.6
    DOI: 10.1002/crat.201900176
    RVK:
    UA 1000
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 1480828-6
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