Zinc Antimonide (ZnSb) Semiconductors

Topics Covered

Description
Applications
Chemical Properties
Electrical Properties
Mechanical and Optical Properties
Safety Information

Description

Zinc antimonide is a gray solid with a chemical formula ZnSb. It consists of zinc and antimonide ions. Its properties are between that of alloy and salt. Zinc antimonide reacts with water to form stibine. It acts as a reducing agent, and is prepared by heating zinc and antimony.

Applications

Zinc antimonide finds applications in the following:

  • Transistors
  • Thermal imagers
  • Infrared detectors
  • Magnetoresistive devices

Chemical Properties

The chemical properties of zinc antimonide are provided in the table below:

Chemical Properties
Chemical Formula ZnSb
Molecular Weight 434.06
CAS No. 12039-35-9
Group Zinc – 12
Antimony - 15
Crystal Structure Orthorhombic

Electrical Properties

The electrical properties of zinc antimonide are provided in the table below:

Electrical Properties
Band Gap 0.56 eV

Mechanical and Optical Properties

The mechanical and optical properties of zinc antimonide are provided in the tables below:

Mechanical Properties
Density 6.33 g/cm3
Melting Point 565°C
Optical Properties
Refractive Index 4.7

Safety Information

Safety Information
GHS Hazard Statements H313 - Causes skin irritation
H318 - Causes eye irritation
H330 - Harmful if inhaled
H371 - Causes damage to organs through prolonged or repeated exposure.
Safety Precautions P233: Keep container tightly closed
P260: Do not breathe dust/fume/gas/mist/vapours/spray
P284: Wear respiratory protection
P352: Wash with soap and water
P332+313: If skin irritation occurs: Get medical advice/attention.

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