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Gallium Metal

Gallium Metal

Gallium Metal
Product Number NRE-8017
CAS No. 7440-55-3
Formula Ga
Molecular Weight 69.72 g/mol
Purity 99.9%
Color Silver-gray
Density 5.91 g/cm3
Melting Point 29.76 °C
Boiling Point 2,400 °C

Gallium Metal

Gallium is a unique element with several interesting properties, including its low melting point, which is just above room temperature. These properties make gallium useful in various applications across different industries. Here are some notable applications of gallium metal:

Semiconductor Industry: Gallium is used in the production of gallium arsenide (GaAs) semiconductors. GaAs semiconductors are used in high-frequency, high-power electronic devices, such as microwave transistors, laser diodes, and solar cells. They offer advantages over traditional silicon-based semiconductors for specific applications.

Thermometers: Gallium is often used in high-precision thermometers because of its unique property of expanding as it solidifies. This property allows for accurate temperature measurements in a specific temperature range.

Alloys: Gallium is sometimes alloyed with other metals to create materials with unique properties. For example, gallium-aluminum alloys have low melting points and are used in various applications, including as a component in fire sprinkler systems that release water at a specific temperature.

Liquid Metal Cooling: Gallium’s low melting point makes it suitable for use in liquid metal cooling systems for electronics. These systems are used in high-performance computers and servers to dissipate heat more efficiently than traditional air or liquid cooling systems.

Solar Panels: Gallium is used in the production of thin-film photovoltaic solar panels. These panels can be more efficient than traditional silicon-based solar panels under certain conditions.

LEDs (Light Emitting Diodes): Gallium is used in the production of LEDs, particularly in the form of gallium nitride (GaN) LEDs. GaN LEDs are known for their efficiency and are used in various lighting applications, including displays and general lighting.

Medical Imaging: Gallium-67, a radioactive isotope of gallium, is used in nuclear medicine for imaging and diagnosing various medical conditions, such as cancer and inflammation.

Gamma Radiation Shielding: Gallium is used in certain radiation shielding applications due to its ability to absorb gamma radiation.

Aerospace Industry: Gallium alloys can be used in aerospace applications, where materials need to withstand extreme temperatures and stresses.

Art and Sculpture: Gallium has been used by artists and sculptors due to its unique physical properties, such as its ability to remain a solid at room temperature but melt in the hand.