Europium Sulfide (EuS) Semiconductors

Topics Covered

Description
Applications
Chemical Properties
Electrical Properties
Mechanical Properties
Safety Information

Description

Europium sulfide is an inorganic compound with the chemical formula EuS. It crystallizes in face-centered cubic crystal lattice. It acts as a ferromagnetic compound below 16.6 K. Europium sulfide exhibits simple paramagnetic properties above this temperature. It is stable in air up to 500°C, and begins to decompose at 1470°C in an inert environment.

Applications

Europium sulfide finds applications in the following:

  • Laser window materials
  • Insulating ferromagnets
  • Ferromagnetic semiconductors
  • Luminescent, optomagnetic and magnetoresistant materials.

Chemical Properties

The chemical properties of europium sulfide are provided in the table below:

Chemical Properties
Chemical Formula EuS
Molecular Weight 184.03
CAS No. 12020-65-4
Group Europium – NA
Sulfur - 16
Crystal Structure Cubic

Electrical Properties

The electrical properties of europium sulfide are provided in the table below:

Electrical Properties
Magnetic Susceptibility 0.0238

Mechanical Properties

The mechanical properties of europium sulfide are provided in the tables below:

Mechanical Properties
Density 5.75 g/cm3
Melting Point 1667°C

Safety Information

Safety Information
GHS Hazard Statements H315- Causes skin irritation
H320- Causes eye irritation
H332- Harmful if inhaled
H335- May cause respiratory irritation.
Safety Precautions S 24/25 - Avoid contact with skin and eyes
S 28A - After contact with skin, wash immediately with plenty of water
S 37 - Wear suitable gloves
S 45 - In case of accident or if you feel unwell, seek medical advice immediately.

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