Overview of Lanthanum Hexaboride (LaB6) Ceramics Rod

Lanthanum Hexaboride (LaB6) Ceramics Rod is precision-manufactured from 99% aluminum oxide (Al₂O₃), delivering exceptional thermal stability and mechanical properties. These rods maintain structural integrity in extreme environments up to 1800°C, making them perfect for demanding industrial and research applications.

With outstanding resistance to wear, corrosion and thermal shock, alumina rods are widely used in high-temperature fixtures, sensor components, semiconductor equipment, and laboratory apparatus.

Key Features of Lanthanum Hexaboride (LaB6) Ceramics Rod

Extreme Temperature Resistance – Continuous operation up to 1800°C

Superior Mechanical Strength – High hardness and wear resistance

Excellent Thermal Shock Resistance – Withstands rapid temperature changes

Electrical Insulation – High dielectric strength for electronic applications

Chemical Inertness – Resists acids, alkalis and corrosive environments

Precision Dimensions – Tight tolerances for critical applications

(Lanthanum Hexaboride (LaB6) Ceramics Rod)

Specification of Lanthanum Hexaboride (LaB6) Ceramics Rod

Lanthanum Hexaboride (LaB6) ceramic rods offer unique performance characteristics. These rods are made from pure LaB6 powder. This material is sintered at high temperatures. The result is a dense, polycrystalline ceramic structure. LaB6 rods are known for their high melting point. It exceeds 2200°C. This makes them suitable for high-temperature environments. They possess excellent thermal stability. LaB6 maintains its shape and properties under intense heat. Thermal shock resistance is also good. The rods can handle rapid temperature changes well.

Electrical conductivity is a key feature. LaB6 is an electrical conductor. This is unusual for a ceramic. The conductivity remains stable even at high temperatures. Low work function is another vital property. Electrons emit easily from the LaB6 surface. This makes LaB6 rods ideal electron sources. Applications include electron microscopes and analytical instruments. The emission current is high. Emission stability is excellent over time.

Mechanical properties are robust. LaB6 ceramic rods are very hard. They resist wear effectively. Density is high, typically around 4.7 g/cm³. This contributes to overall durability. Chemical resistance is generally good. LaB6 withstands attack from many molten metals and salts. Vacuum compatibility is essential. LaB6 performs reliably in high-vacuum systems. Outgassing levels are low.

Standard rod diameters range from small sizes like 0.5mm up to larger sizes like 6.0mm or more. Lengths are customizable. Surface finish can be tailored. Polished surfaces are common for emission applications. Surface roughness impacts emission characteristics. Rod straightness is tightly controlled. This ensures proper function in assemblies. Material purity is critical. High-purity LaB6 powder ensures optimal performance. Impurities affect emission properties negatively. Consistency between batches is maintained. This guarantees reliable part performance.

(Lanthanum Hexaboride (LaB6) Ceramics Rod)

Applications of Lanthanum Hexaboride (LaB6) Ceramics Rod

Lanthanum Hexaboride (LaB6) ceramic rods are special materials. They are very good at releasing electrons. This makes them useful in many high-tech tools. They last a long time and work consistently. They also handle high heat well.

One big use is in electron microscopes. The LaB6 rod acts as the electron source (the cathode). It gives a bright, stable beam of electrons. This beam is key for seeing tiny details. You get clearer images. You see more with better resolution. This helps scientists study materials at the atomic level.

Semiconductor manufacturing needs LaB6 rods too. Machines like electron beam lithography use them. These machines draw tiny circuits onto silicon wafers. The LaB6 cathode provides the electron beam. It needs to be very precise. The stability of LaB6 ensures accurate patterns. This is vital for making advanced computer chips.

Surface analysis tools also rely on LaB6. Equipment like Auger electron spectrometers use them. These tools identify what elements are on a surface. They bombard the sample with electrons. The LaB6 cathode provides a strong, focused electron beam. This beam creates the signals the equipment measures. Good cathodes mean reliable results.

Specialized lighting uses LaB6 rods as well. Some high-power lamps need intense electron emission. LaB6 cathodes work well here. They are found in things like powerful film projector lamps. They provide the bright light needed. They last longer than other materials under tough conditions.

The main advantage is their electron emission quality. LaB6 emits electrons easily and steadily. They work at lower temperatures than older materials like tungsten. This means less energy is needed. It also means less heat-related damage over time. They are chemically stable too. This reduces contamination in sensitive equipment. Their long life means less downtime. You don’t need to replace them as often. This saves money and time. For demanding applications needing reliable electron sources, LaB6 ceramics are a top choice.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Lanthanum Hexaboride (LaB6) Ceramics Rod

Lanthanum Hexaboride (LaB6) Ceramics Rod FAQs

What is a Lanthanum Hexaboride (LaB6) Ceramics Rod?
This rod is made from lanthanum hexaboride ceramic material. It acts as the electron source. People use it mainly in electron guns. Electron guns are key parts in electron microscopes and other electron beam equipment. The rod emits electrons very efficiently when heated.

Why choose LaB6 over Tungsten filaments?
LaB6 rods offer big advantages. They provide much higher brightness. This means a sharper, clearer electron beam. They also operate at lower temperatures. Tungsten filaments need much more heat. LaB6 lasts longer too. Tungsten filaments wear out faster. This means less downtime for replacements.

How long does an LaB6 rod typically last?
Lifespan depends heavily on usage conditions. Proper vacuum levels are critical. Correct operating temperatures matter too. Under ideal conditions, an LaB6 rod can last thousands of hours. This is much longer than tungsten filaments. Good vacuum is essential for maximum life.

Are LaB6 rods fragile? Do they need special handling?
Yes, LaB6 ceramic is quite brittle. Handle these rods with extreme care. Never touch the tip with bare fingers. Oils from skin cause contamination. Contamination ruins performance. Always use clean gloves and proper tools during installation. Avoid physical shocks or vibrations.

What makes LaB6 such a good electron emitter?
LaB6 has a very low work function. Work function is the energy needed to pull electrons free. A low work function means electrons escape easily. This happens even at relatively low temperatures. LaB6 also has high melting point and good chemical stability. These properties make it reliable.

(Lanthanum Hexaboride (LaB6) Ceramics Rod)