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ST0163C Lanthanum Strontium Manganate Sputtering Targets (La1-xSrxMnO3)

Introduction

Lanthanum Strontium Manganate (La₁₋ₓSrₓMnO₃, commonly abbreviated as LSMO) is a perovskite oxide material widely used in advanced thin film technologies. Known for its unique electrical conductivity and magnetic properties, LSMO plays a critical role in applications such as spintronics, solid oxide fuel cells (SOFCs), and oxide electronics. High-quality sputtering targets are essential for achieving precise film composition and stable performance in these demanding applications.

Detailed Description

Lanthanum Strontium Manganate Sputtering Targets are engineered ceramic targets designed for Physical Vapor Deposition (PVD) processes. The material adopts a perovskite crystal structure, where the substitution of Sr for La (controlled by the “x” value) allows precise tuning of electrical conductivity, magnetic ordering, and carrier concentration.

The stoichiometry of La₁₋ₓSrₓMnO₃ directly impacts its functional properties. For example, compositions with x ≈ 0.2–0.4 typically exhibit metallic conductivity and strong ferromagnetic behavior, making them suitable for magnetoresistive and electrode applications. Maintaining strict compositional uniformity and phase purity in the sputtering target is critical, as even minor deviations can lead to defects or performance degradation in deposited films.

These targets are typically fabricated through solid-state reaction and sintering processes, ensuring high density and uniform grain structure. Dense targets improve sputtering efficiency, reduce particle generation, and enable consistent film growth. Optional bonding to copper or titanium backing plates enhances thermal conductivity and mechanical stability during high-power sputtering.

Applications

Lanthanum Strontium Manganate Sputtering Targets are widely used in:

  • Spintronic Devices: For fabricating magnetic thin films with high spin polarization
  • Solid Oxide Fuel Cells (SOFCs): As cathode materials due to excellent mixed ionic-electronic conductivity
  • Magnetoresistive Sensors: Leveraging colossal magnetoresistance (CMR) effects
  • Oxide Electronics: Including epitaxial thin films and heterostructures
  • Research & Development: Advanced studies in correlated electron systems and functional oxides

Technical Parameters

ParameterTypical Value / RangeImportance
Composition (x)0.1 – 0.5 (customizable)Controls electrical and magnetic properties
Purity≥ 99.9% (3N)Ensures phase stability and film performance
Density≥ 95% theoretical densityImproves sputtering efficiency and uniformity
Diameter25 – 200 mm (custom)Compatible with various sputtering systems
Thickness3 – 6 mmAffects deposition rate and lifetime
BondingIndium / Elastomer / Cu backingEnhances thermal management and adhesion

Comparison with Related Materials

MaterialKey AdvantageTypical Application
La₁₋ₓSrₓMnO₃ (LSMO)Tunable conductivity & strong magnetismSpintronics, SOFC cathodes
Lanthanum Manganate (LaMnO₃)Stable structure, lower conductivityBasic oxide research
Strontium Titanate (SrTiO₃)Excellent dielectric propertiesSubstrates, capacitors
Nickel Oxide (NiO)Simple structure, cost-effectiveResistive switching, coatings

FAQ

QuestionAnswer
Can the Sr content (x value) be customized?Yes, the composition can be precisely controlled to meet specific electrical or magnetic requirements.
Is the target suitable for RF or DC sputtering?LSMO targets are typically used with RF sputtering due to their ceramic nature.
Can you provide bonded targets?Yes, bonding options such as indium or elastomer with copper backing plates are available.
What is the typical lead time?Standard sizes are available quickly, while custom compositions may require additional processing time.
How do you ensure phase purity?Advanced powder synthesis and controlled sintering processes are used to maintain single-phase perovskite structure.

Packaging

Our Lanthanum Strontium Manganate Sputtering Targets (La₁₋ₓSrₓMnO₃) are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. We take great care to prevent any potential damage during storage and transportation, ensuring the targets arrive in perfect condition.

Conclusion

Lanthanum Strontium Manganate Sputtering Targets offer a reliable solution for producing high-performance oxide thin films with tunable electrical and magnetic properties. With precise composition control, high density, and customizable configurations, these targets are ideal for both industrial production and advanced research.

For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.

Order Now

La₀.₇Sr₀.₃MnO₃ Target 3N Ø2"×3 mm In Bonded 3 mm Cu BP, La₀.₇Sr₀.₃MnO₃ Target 3N Ø1"×3 mm In Bonded 3 mm Cu BP

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FAQ

It’s the source material (in solid form) used in sputter deposition to eject atoms or molecules that then form a thin film on a substrate.

Targets can be pure metals (e.g., gold, copper, aluminum), ceramics (e.g., Al₂O₃, SiO₂, TiO₂), alloys, or composites—chosen based on the film’s desired properties.

 

They are produced by processes such as melting/casting for metals or sintering (often with hot isostatic pressing) for ceramics and composite targets to ensure high density and purity.

 

In a vacuum chamber, a plasma (typically argon) bombards the target, ejecting atoms that travel and condense on a substrate, forming a thin film.

 

Key factors include the target’s purity, density, grain structure, and the sputtering yield (i.e. how many atoms are ejected per incident ion), as well as operating conditions like power density and gas pressure.

 

Operators monitor target erosion (often by measuring the depth of the eroded “race track”) or track total energy delivered (kilowatt-hours) until it reaches a threshold that can compromise film quality.

 

Fragile materials (such as many ceramics or certain oxides) and precious metals often require a backing plate to improve cooling, mechanical stability, and to allow thinner targets that reduce material costs.

 

DC sputtering is used for conductive targets, while RF sputtering is necessary for insulating targets (like many oxides) because it prevents charge buildup on the target’s surface.

 

In reactive sputtering, a reactive gas (e.g., oxygen or nitrogen) is introduced to form compound films on the substrate, but it may also “poison” the target surface if not carefully controlled.

 

Many manufacturers prefer to control raw material quality by sourcing their own powders; using external powders can risk impurities and inconsistent target properties.

 

Targets should be stored in clean, dry conditions (often in original packaging or re-wrapped in protective materials) and handled with gloves to avoid contamination, ensuring optimal performance during deposition.

Deposition rate depends on factors such as target material and composition, power density, working gas pressure, substrate distance, and the configuration of the sputtering system (e.g., magnetron design).

 
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