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Manganese Gallium Sputtering Target

ST0977 Manganese Gallium Sputtering Target, Mn-Ga

Chemical FormulaMn-Ga
Catalog No.ST0977
CAS Number–
Purity99.9%, 99.95%, 99.99%, 99.995%, 99.999%
ShapeDiscs, Plates, Column Targets, Step Targets, Custom-made

Renowned for their exceptional purity and competitive pricing, Manganese-Gallium sputtering targets from TFM stand as a testament to excellence. Our extensive expertise in materials science, combined with meticulous craftsmanship, guarantees that these targets not only meet but surpass expectations, providing superior performance and consistent reliability.

Introduction

Manganese Gallium (Mn-Ga) sputtering targets are advanced intermetallic materials primarily used for depositing magnetic and spintronic thin films. Known for their unique magnetic anisotropy and tunable magnetic properties, Mn-Ga alloys are of particular interest in next-generation data storage, spintronic devices, and magnetic sensor technologies.

Detailed Description

Mn-Ga sputtering targets are typically fabricated through vacuum melting followed by precision machining or powder metallurgy techniques to ensure compositional uniformity and high density. The Mn:Ga ratio can be carefully adjusted (commonly Mn₃Ga, Mn₂Ga, or other stoichiometries) to tailor magnetic properties such as coercivity, saturation magnetization, and perpendicular magnetic anisotropy (PMA).

One of the most notable characteristics of Mn-Ga alloys is their ability to form tetragonal crystal structures (e.g., L1₀ or D0₂₂ phases), which exhibit strong perpendicular magnetic anisotropy. This makes them highly suitable for high-density magnetic storage and spintronic applications where stable magnetization at nanoscale dimensions is required.

The targets are engineered to provide stable sputtering performance with minimal arcing and particle generation. Due to their conductive nature, Mn-Ga targets are compatible with DC magnetron sputtering, though RF sputtering can also be used depending on system configuration. For high-power applications, bonding to copper backing plates enhances thermal conductivity and prolongs target life.

Key features include:

  • Tunable Mn:Ga composition for optimized magnetic properties

  • Strong perpendicular magnetic anisotropy (PMA)

  • High density and uniform microstructure for stable sputtering

  • Compatible with DC and RF sputtering systems

  • Suitable for advanced magnetic and spintronic applications

Applications

Mn-Ga sputtering targets are widely used in:

  • Spintronic devices and magnetic tunnel junctions (MTJs)

  • High-density magnetic storage media

  • Magnetic sensors and memory devices

  • Perpendicular magnetic anisotropy (PMA) thin films

  • Research in magnetic materials and nanotechnology

  • Advanced semiconductor and data storage technologies

Technical Parameters

ParameterTypical Value / RangeImportance
CompositionMn-Ga (e.g., Mn₃Ga, Mn₂Ga)Controls magnetic behavior
Purity99.9% – 99.99%Ensures film consistency
Density≥ 95% theoreticalStable sputtering performance
Diameter50 – 200 mm (custom available)System compatibility
Thickness3 – 6 mmAffects target lifetime
Electrical TypeConductiveSuitable for DC sputtering
BondingCu backing / In / elastomerImproves heat dissipation

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Mn-GaStrong PMA, tunable magnetismSpintronics, memory
CoFeBHigh spin polarizationMTJs, MRAM
FePtUltra-high magnetic anisotropyHigh-density storage
NiFe (Permalloy)Soft magnetic propertiesSensors, inductors

FAQ

QuestionAnswer
What compositions are commonly used?Typical stoichiometries include Mn₃Ga and Mn₂Ga, depending on application needs.
Is Mn-Ga suitable for DC sputtering?Yes, due to its conductive nature.
Can magnetic properties be tuned?Yes, by adjusting composition and deposition conditions.
Is bonding recommended?For high-power sputtering, copper backing plates are recommended.
Which industries use Mn-Ga targets most?Spintronics, data storage, and advanced electronics industries.

Packaging

Our Manganese Gallium Sputtering Targets 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

Manganese Gallium sputtering targets offer a powerful platform for developing advanced magnetic thin films with tailored properties. With strong perpendicular magnetic anisotropy and flexible composition control, Mn-Ga is an ideal material for cutting-edge spintronic and data storage applications.

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

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Manganese Gadolinium (Mn:Ga = 50%:50%), Diameter 50.8*Height 2.5mm (+/-0.1mm), Manganese Gadolinium (Mn:Ga = 50%:50%), Diameter 50.8*Height 5mm (+/-0.1mm)

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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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