کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1494612 992914 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis of Er-doped Lu2O3 nanoparticles and transparent ceramics
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Synthesis of Er-doped Lu2O3 nanoparticles and transparent ceramics
چکیده انگلیسی

Transparent rare earth-doped Lu2O3 ceramics have received much attention for use in solid-state scintillator and laser applications. The fabrication of these ceramics, however, requires ultrafine and uniform powders as precursors. Presented here is the synthesis of Er-doped Lu2O3 nanopowders by a solution precipitation method using Er-doped lutetium sulfate solution and hexamethylenetetramine as a precipitant and the fabrication of Er-doped Lu2O3 transparent ceramics from these nanopowders. The precipitated precursors were calcined at 1100 °C for 4 h in order to convert the precursors into Lu2O3 nanoparticles with an average particle size of 60 nm. Thermal decomposition and phase evolution of the precursors were studied by simultaneous thermal analysis (STA), Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). Er-doped Lu2O3 transparent ceramics were fabricated from these nanopowders using vacuum sintering followed by hot isostatic pressing at 1700 °C for 8 h. The transparent ceramics exhibit an optical transmittance of 78% at a wavelength of 1.55 μm.


► Er:Lu2O3 nanoparticles were prepared by a solution precipitation method.
► Er:Lu2O3 transparent ceramics were successfully fabricated from these nanoparticles.
► The optical transmittance of the transparent ceramics was 78% at 1.55 nm.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Materials - Volume 35, Issue 7, May 2013, Pages 1426–1430
نویسندگان
, , , ,