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Hydrothermal Synthesis and Optical Properties of Magneto-Optical Na3FeF6:Tb3+ Octahedral Particles.

ABSTRACT: Sodium iron hexafluoride (Na3FeF6), as a colorless iron fluoride, is expected to be an ideal host for rare earth ions to realize magneto-optical bi-functionality. Herein, monodispersed terbium ions (Tb3+) doped Na3FeF6 particles are successfully synthesized by a facile one-pot hydrothermal process. X-ray diffraction (XRD) and Field emission scanning electron microscopy (FESEM) reveal that the Tb3+ doped Na3FeF6 micro-particles with regular octahedral shape can be assigned to a monoclinic crystal structure (space group P21/c). Under ultraviolet light excitation, the Na3FeF6:Tb3+ octahedral particles given orange-red light emission originated from the 5D4?7FJ transitions of the Tb3+ ions. In addition, the magnetism measurement indicates that Na3FeF6:Tb3+ octahedral particles are paramagnetic with high magnetization at room temperature. Therefore, the Na3FeF6:Tb3+ powders may find potential applications in the biomedical field as magnetic-optical bi-functional materials.

SUBMITTER: Zhao Z 

PROVIDER: S-EPMC7013557 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Hydrothermal Synthesis and Optical Properties of Magneto-Optical Na<sub>3</sub>FeF<sub>6</sub>:Tb<sup>3+</sup> Octahedral Particles.

Zhao Zhiguo Z   Li Xue X  

Materials (Basel, Switzerland) 20200110 2

Sodium iron hexafluoride (Na<sub>3</sub>FeF<sub>6</sub>), as a colorless iron fluoride, is expected to be an ideal host for rare earth ions to realize magneto-optical bi-functionality. Herein, monodispersed terbium ions (Tb<sup>3+</sup>) doped Na<sub>3</sub>FeF<sub>6</sub> particles are successfully synthesized by a facile one-pot hydrothermal process. X-ray diffraction (XRD) and Field emission scanning electron microscopy (FESEM) reveal that the Tb<sup>3+</sup> doped Na<sub>3</sub>FeF<sub>6</su  ...[more]

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