The influence of high magnetic field on electric-dipole emission spectra of Eu3+ in different single crystals

Abstract

In this work, the effect of pulsed high magnetic field on the integral intensity of the electric-dipole emission spectrum of Eu 3+ in YVO 4 :Eu 3+ and GdVO 4 :Eu 3+ single crystals was studied and the results showed magnetic field induced luminescence suppression in YVO 4 :Eu 3+ and luminescence expansion in GdVO 4 :Eu 3+ . The single crystals were prepared by the optical floating zone method. The strong effect of the magnetic field on the splitting and emission of 5 D 0 -7 F 2 and 5 D 0 -7 F 4 transitions in Eu 3+ was investigated. The integral luminescence intensities of Eu 3+ are proportional to the magnetic field at higher than 15 T. For GdVO 4 :Eu 3+ , the integral intensity increases with the strengthening of magnetic field, and is completely opposite to that for YVO 4 :Eu 3+ . In this study, the dependence of luminescence integral intensity on the magnetic field was proposed to be the result of the structural change induced by high magnetic field which changes the symmetry of Eu 3+ ions in single crystals.

Magnetic field modulated upconversion luminescence in NaYF4:Yb,Er nanoparticles

“…the Zeeman effect, tuning luminescence from lanthanide ions by an external magnetic field has been demonstrated in different systems. 24,25,31,32 In this paper, hexagonal NaYF 4 doped with an ion pair of Yb 3+ -Er 3+ is chosen to probe the magnetic field tuned UC luminescence. Likewise, the UC luminescence of lanthanide ions doped nanoparticles and phosphors also couples strongly with magnetic field as a result of the change in crystal local symmetry and intra-ion transitions of lanthanide ions.…”

Physical Manipulation of Lanthanide‐Activated Photoluminescence

“…Du et al [85] observed the luminescence suppression in YVO 4 :Eu while a luminescence intensification in GdVO 4 :Eu single crystals for the two electric dipole transitions 5 D 0 → 7 F 2 and 5 D 0 → 7 F 4 of Eu 3+ . Du et al [85] observed the luminescence suppression in YVO 4 :Eu while a luminescence intensification in GdVO 4 :Eu single crystals for the two electric dipole transitions 5 D 0 → 7 F 2 and 5 D 0 → 7 F 4 of Eu 3+ .…”

Spin‐Glass‐Like Freezing Behavior and Magnetic Anisotropy in GdVO4 Single Crystal

“…[ 3,4 ] Through codoping Dy 3+ and Eu 3+ ions into single phase R VO 4 materials, multicolor photoluminescence including white light can be easily realized. [ 5,6 ] With these outstanding properties plus the chemical and thermal stability, R VO 4 materials will be also given potential applications in the field of nanophosphors, optical polarizers, lithium ion batteries, birefringent and nuclear waste storage materials. [ 7–11 ]…”