Description

Terbium Oxide is a high-purity inorganic compound, primarily the sesquioxide (Tb4O7), known for its unique luminescent and magnetic properties. This material is a critical component in advanced phosphors and solid-state devices, enabling precise control over light emission and electronic behavior. It is essential for manufacturers and researchers in the electronics, green technology, and specialty glass sectors seeking to develop high-performance materials.

Application

• Phosphor Manufacturing: A key activator in green phosphors for trichromatic fluorescent lamps, LED backlighting, and X-ray intensifying screens.
• Solid-State Devices: Used in magneto-optical recording media, magnetostrictive alloys (Terfenol-D), and as a dopant in solid oxide fuel cells (SOFCs) and optical fibers.
• Specialty Glass & Ceramics: Imparts specific optical properties and stability to glasses and ceramic capacitors used in high-tech applications.
• Catalysis: Serves as a catalyst or catalyst component in certain organic synthesis and oxidation reactions.
• Research & Development: A fundamental material for academic and industrial R&D in materials science, photonics, and magnetism.

Basic Information

Product Name	Terbium Oxide
CAS No.	12035-91-5
Molecular Formula	Tb4O7 (common form)
Molecular Weight	747.70 g/mol (for Tb4O7)
Synonyms	Terbium(III,IV) oxide; Terbium sesquioxide; Diterbium trioxide; Terbia; Tb4O7; Terbium oxide (Tb4O7); Terbium tetraoxide
EINECS	234-856-3

Quality Control

Our Terbium Oxide is produced and tested under a strict quality management system. Each batch is analyzed to ensure high chemical purity and consistency, with traceability from raw material to final product. A comprehensive Certificate of Analysis (COA) detailing purity, rare earth impurities, and physical characteristics is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be kept in a desiccated environment to prevent absorption of water and carbon dioxide.

Specification

Item	Specification
Appearance	Brown powder
Identification (XRD)	Conforms to Tb4O7 structure
Purity (Tb4O7)	≥ 99.9% (99.99% & 99.999% available)
Rare Earth Impurities	≤ 100 ppm (Total)
Non-Rare Earth Impurities	Contact for details
Particle Size (D50)	1-5 µm (Other sizes upon request)
Loss on Ignition	≤ 1.0 %

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