Description

Terbium is a silvery-white, soft, and malleable rare earth metal belonging to the lanthanide series. It is valued for its unique luminescent and magnetic properties, making it a critical component in advanced technologies. This high-purity material is essential for manufacturers and researchers in the electronics, green energy, and specialty materials sectors.

Application

• Phosphors and Luminescent Materials: A key activator in green phosphors for trichromatic lighting, display screens (CRTs, LEDs), and X-ray intensifying screens.
• Solid-State Devices: Used in terbium-doped crystals like TGG (Terbium Gallium Garnet) for optical isolators and Faraday rotators in laser systems.
• Magnetostrictive Alloys: A vital component of Terfenol-D (Tb-Dy-Fe alloys), which exhibits giant magnetostriction for high-precision sensors, actuators, and sonar transducers.
• Data Storage: Employed in magneto-optical recording media and as a doping agent in thin films for next-generation memory devices.
• Medical Imaging: Serves as a doping agent in scintillation crystals (e.g., LSO, LYSO) used in positron emission tomography (PET) scanners.
• Research & Development: Used as a starting material or dopant in the synthesis of novel magnetic, superconducting, and catalytic materials.
• Nuclear Applications: Utilized as a dopant in ceramic fuels and as a neutron absorber in control rods due to its high thermal neutron capture cross-section.

Basic Information

Product Name	Terbium
CAS No.	7440-27-9
Molecular Formula	Tb
Molecular Weight	158.92535 g/mol
Synonyms	Terbium metal; Terbium element; Terbium ingot; Terbium foil; Terbium powder; Terbium pieces; Terbium sputtering target; Tb; Atomic number 65
EINECS	231-137-6

Quality Control

Our Terbium is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing purity and trace metal impurities, supporting applications requiring precise material specifications. Quality is verified through advanced analytical techniques including ICP-MS and GD-MS.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., argon) in a cool, dry, well-ventilated area to minimize oxidation and moisture absorption. For long-term storage of fine powders, consider storage under an inert liquid such as mineral oil.

Specification

Item	Specification
Appearance	Silvery-white metal, solid form (ingot, pieces, foil, powder)
Assay (Tb, basis)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N) available
Trace Rare Earth Impurities (ICP-MS)	< 100 ppm total (for 4N grade)
Major Metallic Impurities (e.g., Fe, Ni, Cr)	< 10 ppm each
Oxygen Content	< 100 ppm (for vacuum-sealed pieces/ingots)
Form / Particle Size (Powder)	Customizable (e.g., -40 mesh, -100 mesh, -325 mesh)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.