title: [Preparation and luminescence of nanocrystalline ZrO2 : Pr3+ and ZrO2 : Pr3+, Sm3+].
abstract: The nanocrystalline ZrO2 : Pr3+ and ZrO2 : Pr3+, Sm3+ powders with room temperature sharp characteristic emissions were prepared by coprecipitation method. Luminescence properties of nanocrystalline ZrO2 : Pr3+ with different sintering temperatures and doping concentrations were studied. The energy transfer between the nanocrystalline ZrO2 host and the dopants was observed. The different Pr3+ concentration dependence of emission intensities of levels 3P0 and 1D2 was discussed. The dependence on Pr3+ concentration in nanocrystalline ZrO2 : Pr3+, Sm3+ of the emission intensity of 4G(5/2)-6H(7/2) transitions of Sm3+ ions and the energy transfer between Pr3+ and Sm3+ ions were investigated and discussed.
authors.affiliation: Department of Physics, Harbin Normal University, China.
authors.forename: Jin-xia
authors.initials: JX
authors.lastname: Liu
authors.forename: Shu-chen
authors.initials: SC
authors.lastname: Lü
authors.forename: Xiu-ming
authors.initials: XM
authors.lastname: Li