Product Overview
Lanthanum Vanadium Oxide Sputtering Target (LaVO3) is a ceramic sputtering target used to deposit composition-specific oxide thin films. Compared with metallic targets, oxide targets are typically more sensitive to density, porosity, brittleness, thermal shock, and bonding design. In practice, target microstructure, thickness, cooling conditions, and the chosen sputtering mode can all affect arc stability, particle generation, and deposited-film performance.
Material and Deposition Characteristics
RF magnetron sputtering is commonly considered for insulating or semiconducting oxide targets, while sufficiently conductive formulations may allow alternative power modes in some systems. Target density and microstructural uniformity matter because pores, cracks, and local inhomogeneities can contribute to unstable plasma, particles, or target damage. For brittle ceramics, bonded assemblies and gradual power ramping are often worth evaluating.
Technical Data
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Purity | 99.9% – 99.99% | Higher purity improves film quality and reduces defects |
| Composition | LaVO₃ (Perovskite oxide) | Maintains correct stoichiometry for oxide thin films |
| Density | ≥ 95% theoretical density | Ensures stable sputtering and uniform deposition |
| Diameter | 25 – 200 mm (custom available) | Compatible with various sputtering systems |
| Thickness | 3 – 6 mm | Influences sputtering lifetime and stability |
| Bonding | Copper / Titanium backing plate optional | Improves heat dissipation during sputtering |
| Material | Key Advantage | Typical Application |
|---|---|---|
| Lanthanum Vanadium Oxide (LaVO₃) | Strongly correlated electronic behavior | Oxide electronics research |
| Lanthanum Nickel Oxide (LaNiO₃) | Metallic conductivity | Conductive oxide electrodes |
| Strontium Vanadate (SrVO₃) | High electrical conductivity | Oxide electronics and electrodes |
| Lanthanum Manganite (LaMnO₃) | Magnetic and catalytic properties | Magnetic oxide films |
| Question | Answer |
|---|---|
| Can LaVO₃ sputtering targets be customized? | Yes, diameter, thickness, density, and bonding options can be customized to fit different sputtering systems. |
| What sputtering methods are suitable for LaVO₃ targets? | They are typically used in RF magnetron sputtering systems for oxide thin film deposition. |
| Why is stoichiometry important for LaVO₃ targets? | Maintaining the correct La:V ratio ensures that deposited thin films retain the desired electronic and structural properties. |
| What substrates are commonly used for LaVO₃ thin films? | Substrates such as SrTiO₃, LaAlO₃, sapphire, and silicon are frequently used. |
| Are bonded targets available? | Yes, targets can be bonded to copper or titanium backing plates to improve thermal stability during sputtering. |
Typical Thin-Film Applications
- Dielectric, insulating, optical, magnetic, protective, or functional ceramic thin films
- Semiconductor, sensor, photonic, and multilayer coating research
- Applications where oxide composition, density, and process stability affect film performance
Target Configuration and Ordering Considerations
When requesting a quotation, provide target diameter or rectangular dimensions, thickness, purity or composition, required quantity, and whether a backing plate or bonded assembly is needed. For brittle ceramic or compound targets, it is useful to specify the cathode model, backing-plate material, preferred bonding method, operating power if known, and any density, tolerance, or inspection-document requirements. TFM can review drawings, old-target photos, and application details when custom dimensions are required.
Frequently Asked Questions
Is Lanthanum Vanadium Oxide better suited to RF or DC sputtering?
RF magnetron sputtering is commonly considered for insulating or semiconducting oxide targets. If a specific formulation is sufficiently conductive, other modes may also be possible, but the equipment and target properties should be confirmed.
Why is density important for a Lanthanum Vanadium Oxide target?
Density and microstructural uniformity affect erosion stability, thermal behavior, and particle risk. Pores, cracks, or local density variations can contribute to unstable sputtering and target damage.
Should a Lanthanum Vanadium Oxide target be bonded to a backing plate?
Bonding is often useful for brittle oxide targets because it can improve mechanical support and heat transfer. The backing material and bonding method should be chosen according to target size, thickness, and operating conditions.
Will the deposited film always have the same composition as LaVO3?
Not always. Film composition can be affected by preferential sputtering, reactive gas, substrate temperature, re-sputtering, and chamber conditions. Composition-sensitive films should be verified after deposition.
How should power be ramped on a brittle Lanthanum Vanadium Oxide target?
A conservative power ramp and stable cooling are generally advisable. The exact operating procedure should follow the target size, bonding condition, cathode design, and supplier recommendations rather than a universal wattage.
What information should I provide when ordering Lanthanum Vanadium Oxide?
Provide formula or composition, purity, dimensions, quantity, backing and bonding requirements, cathode model or drawing, and any density, tolerance, or inspection requirements.
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