Ceramic Grade Lutetium Oxide

Описание

Ceramic Grade Lutetium Oxide (Lu2O3) is an important rare earth oxide with the molecular formula Lu2O3 and CAS number 12032-20-1. It has a wide range of applications in the field of ceramics, especially in the manufacture of magnetic materials, optical glass, ceramic colorants, laser materials, luminescent materials, electronic materials, etc. 3. Lutetium oxide-based transparent ceramic materials will play a key role in future digital radiographic technology systems, especially for static digital imaging and fluorescence inspection. In addition, it is also a new type of polycrystalline laser working medium.

Physical and chemical properties：

Structure and morphology：
Lutetium oxide can form different crystal structures under different conditions, including hexagonal, monoclinic and cubic structures. Through the first-principles calculation of density functional theory, its mechanical, thermodynamic, electronic structure and optical properties under different structures can be obtain. For example, the optical properties of cubic Lu2O3 can be characteriz by calculating its optical absorption spectrum and refractive index in the high pressure range.

Particle size and morphology：
In the preparation of Er3+:Lu2O3 nanopowders, the study found that using ammonium bicarbonate as a precipitant, (NH4)2SO4 and PAM as dispersants, and calcining the precursor at 1000℃ for 2 hours, Er3+:Lu2O3 nanopowders with a particle size of 50-60nm, a shape close to spherical and good dispersibility can be obtain. When tartaric acid is use as a precipitant, the particle size of the nanopowder obtained under the same conditions is about 75nm, but the sintering activity is relatively low.

Luminescence properties
Er3+:Ceramic Grade Lutetium oxide  powders and transparent ceramics exhibit upconversion luminescence of red and green light under 980nm excitation, and the relative intensity ratio of red light to green light increases with increasing concentration. This phenomenon is mainly attribut to the effect of cross relaxation (2H11/2, 4S3/2) + 4F9t2→4I15/2→4I13/2. In addition, the infrare luminescence emission spectrum of Er3+:Lu2O3 transparent ceramics at 1533nm shows that the strongest infrared light emission is achieved when the Er3+ doping concentration is between 2.0 and 3.0 at.%, with the maximum value reach at 3.0 at.
Main uses:
Ceramics field
In the ceramic field, lutetium oxide is mainly use to manufacture high-performance transparent ceramic materials. These materials have excellent physical and optical properties and are suitable for use as laser gain media for ceramic scintillators, high-power lasers, short-pulse lasers, as well as in biology, medicine, environmental testing, and military fields.

In summary, the application of lutetium oxide (Lu2O3) in ceramics is not limited to its basic physical and chemical properties, but also includes its wide application in high-performance transparent ceramics and other fields.