Certified by China Rare Earth Group
High-Purity Terbium Oxide Tb4O7 12036-41-8 99.99% Supplier
Global Supplier of 99.9~99.999% Tb₄O₇
As an authorized partner of China Rare Earth Group, Ruisen delivers ultra-high purity Terbium Oxide (Tb4O7) with ISO9001-certified production and REACH/RoHS compliance.
Tell us your needs – we’ll provide the best price and free samples!
Ruisen, authorized by the China Rare Earth Group, is your trusted global supplier for high-quality Terbium Oxide (Tb₄O₇).
We cater to diverse market needs, supplying industries, distributors, and research institutions worldwide with this versatile rare earth oxide.
Free Technical Consultation by material science experts
Same-Day Shipping with real-time logistics tracking
Customizable Purity (99.9%~99.999%) & Particle Size
Terbium Oxide (Tb4O7): A High-Performance Rare Earth Compound
Terbium oxide, also known as tetraterbium heptaoxide, is a rare earth oxide with the CAS number 12037-01-3 and a linear formula of Tb4O7. This compound is produced by heating the metal terbium in controlled oxidation environments, resulting in a powder with exceptional purity and stability.
As one of the main commercial terbium compounds, it serves as a key component in advanced technologies ranging from electronics to solid oxide fuel cells. Its 4 oxidation state ensures robust redox properties, making it indispensable for catalytic and optical applications.
Key Properties & Specifications of Terbium Oxide (Tb₄O₇)
Below are the critical attributes of Tb₄O₇ powder:
Property | Specification |
---|---|
Chemical Formula | Tb₄O₇ |
Purity | 99.99% (standard), 99.999% (high-grade) |
Particle Size | 1–10 µm (adjustable to meet your specification) |
Density | 7.3 g/cm³ at 25 °C (77 °F) |
Melting Point | 2,347 °C under 100 kPa |
Thermal Stability | Stable up to 1,500 °C in inert atmospheres |
Magnetic Properties | Paramagnetic at room temperature |
This oxide exhibits excellent semiconducting properties and resistivity, making it ideal for solid-state devices and fuel cell materials.
Terbium Oxide (Tb₄O₇) vs. Alternative Materials: Competitive Advantages in Modern Applications
Tb₄O₇ outperforms substitutes like gadolinium oxide (Gd2O3) and lanthanum oxide (La2O3) in critical metrics:
Material | Luminescence Efficiency | Thermal Resistance | Environmental Impact |
---|---|---|---|
Terbium Oxide | High (activates green phosphors) | Excellent | Low |
Gadolinium Oxide | Moderate | Good | Moderate |
Cerium Oxide | Low | Fair | High |
Its role as an activator for green phosphors and dopant for crystalline solid-state devices ensures unmatched performance in fluorescent lamps and laser systems.
Industry Applications of Terbium Oxide (Tb4O7): Powering Advanced Technologies
Electronics & Optics
- Phosphor production: Enhances color rendering in LEDs and cathode ray tubes.
- Solid-state lighting: Used in portable electronics and data storage devices.
- Optical glass: Improves UV and IR transmission for optic and ceramic components.
Green Energy
- Solid oxide fuel cells: Acts as a catalyst to optimize energy conversion.
- Magnetic materials: Critical for vehicular applications and aerospace systems.
Medical & Scientific Innovations
- X-ray detectors: Boosts imaging clarity in life science research.
- Nanoparticle synthesis: Enables nano-scale advancements in scientific research.
Unique Properties Driving Innovation with Tb4O7
The magneto-optical behavior of Tb4O7 makes it vital for special lasers and crystalline solid-state devices. Its thermal stability supports high-temperature processes in metallurgy and ceramic sintering. Additionally, its acid resistance ensures longevity in harsh industrial environments.
Terbium Oxide (Tb4O7) in Scientific Research: Enabling Cutting-Edge Innovations
Researchers leverage terbium oxide for:
- Quantum computing: As a dopant in solid-state devices.
- Photonic devices: Enhances semiconductor performance.
- Environmental technologies: Facilitates redox reactions in pollution control systems.
Ruisen collaborates with academic institutions to work to customize terbium oxide formulations, ensuring they meet specific application needs.
Do you provide test samples, How are the sample fees handled?
Yes, we offer complimentary test samples delivered via express shipping, with shipping costs to be covered by the client.
What are your advantages?
We are an authorized supplier for China Rare Earth Group, and all our prices are ex-factory. When you order rare earth oxides from us, you not only receive the most competitive pricing, but also benefit from a professional team that handles every detail for you. This not only helps you reduce costs, but also minimizes risks, ensuring a safer and more efficient procurement process.
All products can be tracked in batches via QR codes.
How long will it take to receive your price quotation?
We will provide you with a quote on the same day (Usually respond within 20 minutes) we receive your inquiry.
To ensure the accuracy of the quote, please provide detailed information, including the specific purchase quantity, delivery address, and shipping method (special needs).
What is your minimum order value?
Different rare earth oxides or alloy will have different MOQs.
Please provide your requirements and our professional team will respond to you within 20 minutes.
What is your lead time after I place an order?
Most of our regular products are in stock, Generally, can be dispatched from the factory within 1 weeks, although the exact timeframe may vary depending on the purchase quantity. Additionally, the delivery time to your designated location depends on your geographic area and the selected shipping method.
Why Choose Ruisen for Tb4O7 Supply?
- Authorized supplier: Direct partnership with China Rare Earth Group.
- Global Logistics: Secure storage or transportation with 24 hours support.
- Flexible solutions: Terbium oxide powder available in trace metals basis or organometallic forms.
- Global compliance: Meets EC number, COA, and safety data sheet standards.
- Technical expertise: Support for analytical, catalytic, and sintering processes.
Frequently Asked Questions About Terbium Oxide (Tb4O7)
A: Electronics, green energy, and scientific research sectors prioritize Tb4O7 for its luminescent and magnetic properties.
A: Higher purity of our terbium oxide (e.g., 99.999%) ensures reliability in detector and laser applications.
A: Yes! We work to customize terbium oxide for nano-scale or thermal-critical uses.
A: Our REO products comply with ISO, REACH, and industry-specific specification standards.
For more information, jump to our blog or email our team.
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MP Materials reaches multi-billion dollar deal with US Department of Defense
MP Materials said on July 10 that it has reached a multi-billion dollar public-private partnership agreement with the US Department of Defense. The deal will make the US Department of Defense the company’s largest shareholder after acquiring preferred shares worth $400 million.
India plans to incentivize rare earth production
The Indian government is planning to offer an incentive package of up to 25 billion rupees ($290 million) to private companies that produce rare earth magnets, according to people familiar with the matter.
Ramaco Resources Releases Preliminary Economic Assessment Report for Brook Mine Rare Earth Deposit
Ramaco Resources has recently received positive preliminary economic assessment results from Fluor Corporation, confirming the commercial and technical feasibility of its Brook Mine rare earth deposit.
Atlantic Strategic Minerals’ Virginia Mineral Processing Plant Officially Put into Production
On June 26, Atlantic Strategic Minerals (ASM) announced that its mining and mineral processing plant in Virginia has officially entered commercial production.
Follow Our Blogs to learn more about rare earth elements.

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Dysprosium Oxide (Dy2O3): A Comprehensive Guide
Dysprosium Oxide (Dy2O3), commercially known as dysprosia, stands as an essential substace within the rare earth elements group. This sesquioxide of dysprosium is a cornerstone material for countless sophisticated technologies. It provides as a penalty, white, and slightly hygroscopic powder.

What is Gadolinium Oxide? A Comprehensive Review
Gadolinium Oxide, stood for by the chemical formula Gd2O3, is a white, not natural substance of enormous technological importance. This material comes from the rare earth oxide household. It creates from the mix of the component gadolinium with oxygen.

Ytterbium Oxide (Y2O3): Residence & Applications
Ytterbium Oxide (Y2O3), additionally known as Ytterbia, stands as a critical compound in the family of rare earth oxides. This remarkable material, a lot of generally readily available as a great Ytterbium Oxide Powder , possesses an unique combination of optical, thermal, and electrical buildings.