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[期刊论文]

Curvature-dependent strain-induced photoluminescence modulations in flexible Er-doped Pb0.98La0.02Zr0.95Ti0.05O3 antiferroelectric thin films prepared by the sol-gel method

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author:

Huang, L. (Huang, L..) [1] | Xiong, R. (Xiong, R..) [2] | Xie, J. (Xie, J..) [3] | Unfold

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Abstract:

Tunable photoluminescence (PL) has wide applications in optical waveguides and communication. Since the PL intensity is strongly dependent on the crystal field symmetry, curvature-dependent strain-induced PL modulation is expected in flexible antiferroelectric (AFE) thin film materials. Here, flexible Er-doped Pb0.98La0.02Zr0.95Ti0.05O3 (PLZT) AFE thin films were prepared via the sol-gel method. A giant and reversible PL intensity modulation (482%) was achieved during the bending process. Based on density functional theory (DFT) calculations and Raman spectra measurements, the relationship amongst the curvature-dependent strains, crystal structure, and PL modulation was discussed. The induced strain leads to lattice distortion and even a phase transition, both of which contribute to the reduction in crystal symmetry and thus significantly enhance the PL intensity. © 2023 Elsevier Ltd

Keyword:

Antiferroelectric thin film Flexibility Phase transition Photoluminescence Strain

Community:

  • [ 1 ] [Huang L.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Xiong R.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Xie J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Liu Q.]Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China
  • [ 5 ] [Zhang Y.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Yang Q.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Zhao C.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Wu X.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 9 ] [Lin T.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Lin C.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 11 ] [Gao M.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 12 ] [Sa B.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China

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Source :

Journal of the European Ceramic Society

ISSN: 0955-2219

Year: 2023

Issue: 16

Volume: 43

Page: 7455-7462

5 . 8

JCR@2023

5 . 8 0 0

JCR@2023

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

30 Days PV: 1

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