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Gallium (Ga) is a Rare Metal with a content of 1.5×10^-3% in the earth's crust. It is extremely dispersed and is often associated with minerals such as aluminum, zinc, and coal. It is not easy to extract. Gallium and its compounds are mainly used in the semiconductor industry. With the rapid development of the electronics industry, the use of gallium is becoming more and more extensive. Gallium has become one of the supporting materials for new technical materials required by contemporary communications, large-scale integrated circuits, aerospace, energy and other industries.

In the field of catalysis, rare earth oxides can be used as catalyst materials for fuel cell cathodes to improve the performance of fuel cells. For example, rare earth oxides such as samarium oxide (Sm2o3) and cerium oxide (CeO2) can be used as cathode materials for solid oxide fuel cells (SOFCs).

Yttrium oxide Y₂O₃ is an important rare earth compound with unique heat resistance, corrosion resistance, high temperature stability, high dielectric constant and a series of excellent optical properties. It is widely used in advanced ceramics, optoelectronics, catalysts and efficient additives for functional composite materials.

Chemical-Mechanical Polishing (CMP) is a technology that uses the synergistic effect of chemical reaction and mechanical removal to achieve surface smoothness.

The high-purity rare earth metal ytterbium target preparation technology is applied to the metal cathode layer of OLED display screens. Rare earth metal ytterbium is used to replace metal magnesium and silver cathodes. It is used in OLED display screens including mobile phones and new digital watches. It has the characteristics of low energy consumption, high resolution and high color saturation. It can make mobile phones and other electronic products have longer battery life without increasing battery energy consumption.

Rare earth hexaborides (LaB6, CeB6, SmB6, GdB6, etc.) all have the ability of thermal electron emission. Their characteristics are compared in the figure below. Among them, lanthanum hexaboride is widely used because of its lowest work function and highest emission current density.

The FDA issued an emergency authorization for Gilead Scientific's antiviral drug Remdesivir, allowing the drug to be used for the treatment of suspected and diagnosed children and adults with COVID-19 in severely ill hospitals. 

Rare earth polishing powder refers to a powder of mixed light rare earth oxides with cerium oxide as the main component, which is used to improve the surface finish of products or parts.

Lanthanum Bromide (LaBr3 : Ce) Scintillation Crystal is a new type of inorganic scintillation crystal material with the hottest research and application in the world at present. It has the excellent characteristics of high light output, short attenuation time and high energy resolution.