Product Overview
Tantalum doped Lithium Lanthanum Zirconate Sputtering Target is a composition-specific sputtering target for thin-film deposition and PVD process development. The practical specification normally includes chemistry, purity, dimensions, density, target configuration, and any bonding or backing requirement needed by the sputtering cathode.
Material and Deposition Characteristics
Power mode and process conditions should be selected according to the target conductivity, thermal behavior, and the requirements of the cathode system. For less common materials, conservative initial power density and film-composition verification are good practice.
Technical Data
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Chemical Formula | Li₇La₃Zr₂₋ₓTaₓO₁₂ (Ta-LLZO) | Determines ionic conductivity and electrolyte performance |
| Purity | ≥ 99.9% | Ensures stable electrochemical properties |
| Diameter | 25 – 300 mm (custom) | Compatible with common sputtering systems |
| Thickness | 3 – 6 mm | Influences sputtering stability and target lifetime |
| Density | ≥ 95% theoretical density | Supports uniform thin film deposition |
| Bonding | Copper backing plate / Indium bonded | Improves heat transfer during sputtering |
| Material | Key Advantage | Typical Application |
|---|---|---|
| Ta-LLZO | High lithium-ion conductivity and dendrite resistance | Solid-state battery electrolytes |
| LLZO (undoped) | Garnet electrolyte structure | Solid-state lithium battery research |
| LiPON | Stable thin film electrolyte | Thin film lithium batteries |
| Question | Answer |
|---|---|
| What is the advantage of tantalum doping in LLZO? | Tantalum stabilizes the cubic LLZO phase, which significantly improves lithium-ion conductivity and electrochemical stability. |
| What sputtering methods are suitable for Ta-LLZO targets? | RF magnetron sputtering is commonly used for depositing ceramic electrolyte thin films. |
| Can the target size be customized? | Yes. Targets can be manufactured in various diameters, thicknesses, and bonding configurations. |
| Are bonded sputtering targets available? | Yes. Ceramic targets can be bonded to copper backing plates to improve heat dissipation during sputtering. |
| What substrates are commonly used for Ta-LLZO films? | Films can be deposited on silicon wafers, stainless steel substrates, glass, and other battery-compatible materials. |
Typical Thin-Film Applications
- Thin-film research and materials-development projects requiring a composition-specific sputtering source
- Semiconductor, optical, energy, electronic, or laboratory coatings depending on the material system
- Custom R&D work where target composition, purity, and geometry need to be specified together
Target Configuration and Ordering Considerations
For quotation and manufacturability review, provide target size, thickness, purity or alloy composition, quantity, and the sputtering gun or cathode model if known. If a bonded assembly is required, include backing-plate material, bonding preference, and any dimensional tolerances, surface-finish needs, or inspection-document requirements. TFM can also review customer drawings or old-target samples for replacement builds.
Frequently Asked Questions
What is the main reason to use a Tantalum doped Lithium Lanthanum Zirconate sputtering target?
It provides a composition-specific source for thin-film deposition when the target material itself is important to the desired film chemistry or process.
How should the sputtering mode for Tantalum doped Lithium Lanthanum Zirconate be selected?
The power mode should be chosen according to target conductivity, thermal behavior, and equipment capability. Less-conductive materials are commonly evaluated with RF power.
Why are density and microstructure important for Tantalum doped Lithium Lanthanum Zirconate targets?
These factors can influence erosion stability, thermal behavior, particle generation, and the risk of cracking or local hot spots.
Can Tantalum doped Lithium Lanthanum Zirconate be supplied with a backing plate?
Yes. If the material is brittle or the cathode requires it, a bonded configuration can be reviewed according to target size, thickness, cooling, and power.
Does target composition always equal film composition?
No. Film chemistry may differ because of sputtering yields, process conditions, substrate temperature, re-sputtering, and chamber history. Film verification is recommended when composition matters.
What should I provide to request a quotation for Tantalum doped Lithium Lanthanum Zirconate?
Please provide the composition, purity, dimensions, quantity, target configuration, cathode details, and any drawing or inspection requirements.
Reviews
There are no reviews yet.