Polarization dependence of the luminescence properties of the erbium doped KNbO 3 ferroelectric ceramics

Cheng Hung Wen, Sheng-Yuan Chu, Cheng Kuo Wen

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

The polarization dependence of the Stokes photoluminescence (PL) spectra of erbium doped Potassium niobate (KNbO 3) ceramics has been investigated by studying the relations between PL spectra with the poling electric field, poling time. All the Stark splitting components of 4S 3/24I 15/2 transition were evident after the poling process. The experiments also showed that the polarization enhances the fine structure and modifies the intensity ratio of the 4S 3/24I 15/2, 4F 9/24I 15/2 and the 4S 3/24I 3/2 transitions at different poling electric fields and poling times. From the similar tendency between the frequency shift of PL spectra Δv and the planar electromechanical coupling factor Kp demonstrate indirectly that the Stark splitting was produced by the dipole moment of erbium ions state interacting with the internal local electric field due to polarization.

Original languageEnglish
Pages (from-to)267-275
Number of pages9
JournalIntegrated Ferroelectrics
Volume69
DOIs
Publication statusPublished - 2005 Dec 1
Event16th International Symposium on Integrated Ferroelectrics, ISIF-16 - Gyeongju, Korea, Republic of
Duration: 2004 Apr 52004 Apr 8

Fingerprint

Erbium
Ferroelectric ceramics
erbium
Luminescence
Photoluminescence
Electric fields
ceramics
Polarization
luminescence
photoluminescence
electric fields
polarization
Electromechanical coupling
niobates
Dipole moment
frequency shift
Potassium
potassium
tendencies
dipole moments

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Control and Systems Engineering
  • Ceramics and Composites
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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title = "Polarization dependence of the luminescence properties of the erbium doped KNbO 3 ferroelectric ceramics",
abstract = "The polarization dependence of the Stokes photoluminescence (PL) spectra of erbium doped Potassium niobate (KNbO 3) ceramics has been investigated by studying the relations between PL spectra with the poling electric field, poling time. All the Stark splitting components of 4S 3/2 → 4I 15/2 transition were evident after the poling process. The experiments also showed that the polarization enhances the fine structure and modifies the intensity ratio of the 4S 3/2 → 4I 15/2, 4F 9/2 → 4I 15/2 and the 4S 3/2 → 4I 3/2 transitions at different poling electric fields and poling times. From the similar tendency between the frequency shift of PL spectra Δv and the planar electromechanical coupling factor Kp demonstrate indirectly that the Stark splitting was produced by the dipole moment of erbium ions state interacting with the internal local electric field due to polarization.",
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Polarization dependence of the luminescence properties of the erbium doped KNbO 3 ferroelectric ceramics. / Wen, Cheng Hung; Chu, Sheng-Yuan; Wen, Cheng Kuo.

In: Integrated Ferroelectrics, Vol. 69, 01.12.2005, p. 267-275.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Polarization dependence of the luminescence properties of the erbium doped KNbO 3 ferroelectric ceramics

AU - Wen, Cheng Hung

AU - Chu, Sheng-Yuan

AU - Wen, Cheng Kuo

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N2 - The polarization dependence of the Stokes photoluminescence (PL) spectra of erbium doped Potassium niobate (KNbO 3) ceramics has been investigated by studying the relations between PL spectra with the poling electric field, poling time. All the Stark splitting components of 4S 3/2 → 4I 15/2 transition were evident after the poling process. The experiments also showed that the polarization enhances the fine structure and modifies the intensity ratio of the 4S 3/2 → 4I 15/2, 4F 9/2 → 4I 15/2 and the 4S 3/2 → 4I 3/2 transitions at different poling electric fields and poling times. From the similar tendency between the frequency shift of PL spectra Δv and the planar electromechanical coupling factor Kp demonstrate indirectly that the Stark splitting was produced by the dipole moment of erbium ions state interacting with the internal local electric field due to polarization.

AB - The polarization dependence of the Stokes photoluminescence (PL) spectra of erbium doped Potassium niobate (KNbO 3) ceramics has been investigated by studying the relations between PL spectra with the poling electric field, poling time. All the Stark splitting components of 4S 3/2 → 4I 15/2 transition were evident after the poling process. The experiments also showed that the polarization enhances the fine structure and modifies the intensity ratio of the 4S 3/2 → 4I 15/2, 4F 9/2 → 4I 15/2 and the 4S 3/2 → 4I 3/2 transitions at different poling electric fields and poling times. From the similar tendency between the frequency shift of PL spectra Δv and the planar electromechanical coupling factor Kp demonstrate indirectly that the Stark splitting was produced by the dipole moment of erbium ions state interacting with the internal local electric field due to polarization.

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