| Catalogue Code | IN-Er-01 IN-Er-02 |
| CAS No. | 12061-16-4 |
| Chemical Formula | Er2O3 |
| Compound Name | Erbium Oxide |
| Purity (%) | >99.9 |
| Dimensions | Dia. 1”, Thick. 0.125” Dia. 2”, Thick. 0.25” |
Introduction
Erbium oxide (Er₂O₃) is a high-performance material used in thin-film deposition techniques, including sputtering. It is a rare earth oxide with a cubic crystal structure and excellent thermal stability, making it an ideal candidate for applications requiring robust and durable films. Er₂O₃ is notable for its optical, electronic, and magnetic properties, enabling its use in various high-tech applications. Erbium oxide’s properties are used in many applications, including protective and corrosion-resistant coatings, electrically insulating coating materials, pH sensing membranes, and alternative gate oxides to replace silicon oxide in metal oxide semiconductor devices.
Properties
The table below contains all the critical properties of Erbium oxide:
| Properties | Description |
| Appearance and Shape | Solid, Thin film, Disc |
| Molar mass | ~382.52 g/mol |
| Magnetic Type | paramagnetic |
| Density | ~ 9.14 g/cm³ |
| Thermal conductivity | ~ 5 W/m·K |
| Melting Point | ~ 2,380 °C |
Applications
Erbium oxide has many applications, including:
- Optical Coatings: Used for anti-reflective and protective coatings in infrared and laser systems.
- Electronic Devices: Erbium oxide is a dielectric layer in capacitors, transistors, and other microelectronics.
- Photonic Materials: Enables efficient light amplification in waveguides and optical amplifiers.
- Nuclear Industry: Coatings for materials requiring neutron absorption due to Er₂O₃’s high neutron absorption cross-section.
- Spintronics and Data Storage: Exploits its magnetic and electronic properties for next-generation memory technologies.
FAQs
Answere: Due to its unique dielectric, optical, and magnetic properties, erbium oxide is primarily used for depositing thin films in optical coatings, electronic devices, photonic applications, and magnetic materials.
Answere: IErbium Oxide has high thermal stability, good electrical conductivity, and strong optical absorption in the infrared range, making it ideal for fiber optic communication, lasers, and advanced electronics coatings.
Answere: Erbium oxide has excellent infrared transmission and high thermal stability, making it ideal for anti-reflective and protective coatings in infrared and laser systems.
Answere: Erbium oxide has a high melting point (~2340°C) and chemical inertness, allowing it to withstand the intense heat and conditions in sputtering processes without degradation.
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