Product Name: Erbium diboride (ErSi2)

Specification: 0.8-10um (D50)

Shape: irregular

Color: Black gray

Features: Good electrical conductivity

Applications: high temperature anti-oxidation coating material, ‌ electric heating element, ‌ integrated electrode film and other fields

Erbium disilicide 

Molecular formula: ErSi2 

Density: seven point two six zero 

Molecular weight: two hundred and twenty-three point four three 

CAS Number: 12020-28-9 

Preparation process: Er、Si、 Heat the mixture in an electric furnace for 10-12 hours. 

Application areas: 

ErSi, as an intermetallic compound formed between erbium and silicon, is mainly used based on the unique physical and chemical properties of erbium (such as optical and magnetic properties) and the structural characteristics of silicides. 

1. Optoelectronics and Fiber Optic Communication 

Erbium doped material extension: Erbium ion (Er ³ ⁺) is the core material of erbium-doped fiber amplifiers (EDFAs) in fiber optic communication, but erbium silicide can play a role in silicon-based photonics through nanostructures or composite materials, such as: 

Near infrared light-emitting devices: Erbium silicide can be used as a silicon-based luminescent material for integrated optical circuits or optical communication chips. 

Photodetector: has potential in optoelectronic conversion devices within a specific wavelength range (such as the 1.5 μ m communication band). 

2. Magnetic materials and spintronics 

Magnetic storage technology: The strong magnetic anisotropy of erbium and the ordered structure of silicides can be used in high-density magnetic recording media or spintronic devices such as magnetoresistance memory. 

Magnetic refrigeration materials: Some erbium based compounds exhibit magnetocaloric effects at low temperatures, and erbium silicide can be used as a research object for new magnetic refrigeration working fluids. 

3. Semiconductors and Microelectronics 

Silicon based device integration: Similar to other rare earth silicides (such as ErSi ₂), it can be used as a low resistance contact layer or Schottky barrier layer in integrated circuits to enhance the high-frequency performance of the device. 

High temperature semiconductor: Its high melting point and stability make it suitable for high-temperature electronic devices or power semiconductors. 

4. Nuclear industry and radiation protection 

Neutron absorbing material: Erbium has a large neutron capture cross section, and erbium silicide can be used for nuclear reactor control rods or neutron shielding components, but its irradiation stability needs to be verified. 

5. Catalysis and Energy Conversion 

Catalytic reaction: The catalytic activity of erbium can be used for reactions such as methane reforming and water splitting to produce hydrogen, but its active sites and stability need to be experimentally verified. 

Thermoelectric materials: with high electrical conductivity and low thermal conductivity, can be used in waste heat power generation devices. 

6. Quantum technology 

Quantum bit carrier: The special energy level structure (long-lived dry state) of erbium ions can be integrated with silicon-based quantum devices through erbium silicide for solid-state quantum computing platforms. 

7. High temperature structural materials 

Extreme environment coating: The high-temperature oxidation resistance of erbium silicide can be used for coating aviation engine blades or inner wall protective layers of nuclear fusion devices, and toughening materials need to be combined to solve the brittleness problem. 

Storage method: This product should be sealed and stored in a dry and cool environment. It should not be exposed to air for a long time to prevent moisture from causing aggregation, affecting dispersion performance and usage effect. In addition, it should be avoided from heavy pressure and not in contact with oxidants. It should be transported as ordinary goods.