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Iron Nickel Evaporation Materials

VD0629 Iron Nickel Evaporation Materials, Fe/Ni

Catalog No.VD0629
MaterialIron Nickel (Fe/Ni)
Purity99.9% ~ 99.99%
ShapePowder/ Granule/ Custom-made

Thin-Film Mat Engineering (TFM) excels in manufacturing high-purity iron nickel evaporation materials, employing rigorous quality assurance processes to ensure exceptional product reliability. We provide these materials in various forms, including tablets, granules, pellets, and powder, to meet a wide range of application requirements.

MSDS File

Introduction

Iron Nickel Evaporation Materials (Fe/Ni) are alloy-based sources used in vacuum deposition processes to fabricate magnetic, conductive, and functional metallic thin films. By combining iron’s strong magnetic properties with nickel’s corrosion resistance and structural stability, Fe/Ni alloys are widely utilized in electronics, magnetic devices, shielding applications, and research-scale thin film development.

Fe/Ni evaporation materials provide controlled alloy composition transfer during thermal or electron beam evaporation, enabling precise tuning of magnetic permeability, resistivity, and mechanical characteristics in deposited films.

Detailed Description

Iron Nickel alloys are typically produced through vacuum induction melting or controlled atmosphere melting to ensure homogeneous microstructure and consistent elemental distribution. Common compositions include:

  • Fe 80% / Ni 20%

  • Fe 50% / Ni 50%

  • Fe 36% / Ni 64% (Invar-type composition)

  • Custom weight or atomic ratios upon request

The selected alloy ratio directly influences magnetic saturation, coercivity, thermal expansion, and electrical conductivity.

Available forms include:

  • Pellets

  • Granules

  • Alloy pieces

  • Custom-machined slugs

With melting temperatures generally ranging from approximately 1430–1530°C (depending on composition), Fe/Ni alloys are compatible with electron beam evaporation and high-temperature thermal evaporation systems. Uniform alloy microstructure ensures stable evaporation rates and reduces compositional segregation.

Key material characteristics include:

  • Tunable magnetic properties

  • Moderate electrical conductivity

  • Good adhesion to metallic and semiconductor substrates

  • Compatibility with multilayer thin film stacks

Fe/Ni alloys are often used where controlled magnetic response or thermal expansion behavior is required.

Applications

Iron Nickel Evaporation Materials are commonly applied in:

  • Magnetic thin films and soft magnetic layers

  • MEMS and sensor devices

  • Electromagnetic shielding coatings

  • Low thermal expansion (Invar-type) thin films

  • Microelectronic barrier layers

  • Research in magnetic and functional alloy films

  • Precision instrument coatings

In precision instrumentation, Fe/Ni films may be used where dimensional stability under temperature variation is critical.

Technical Parameters

ParameterTypical Value / RangeImportance
CompositionFe/Ni (custom ratios)Controls magnetic & thermal properties
Purity99.9% – 99.99%Improves film uniformity
FormPellets / Granules / PiecesCompatible with evaporation sources
Melting Range~1430–1530°CSuitable for e-beam evaporation
Density~8.1–8.7 g/cm³ (composition dependent)Relevant for deposition rate control
Deposition MethodThermal / E-beam EvaporationEnables uniform alloy film growth

Custom alloy compositions and sizes can be supplied to match specific deposition systems and application requirements.

Comparison with Related Alloy Materials

MaterialKey AdvantageTypical Application
Iron Nickel (Fe/Ni)Tunable magnetic propertiesMagnetic thin films
Pure IronStrong magnetic saturationMagnetic components
Pure NickelCorrosion resistanceProtective coatings
Permalloy (Ni-Fe specific ratio)High magnetic permeabilityMagnetic shielding

Compared to pure iron or nickel, Fe/Ni alloys offer adjustable magnetic characteristics and improved mechanical balance.

FAQ

QuestionAnswer
Can the Fe/Ni ratio be customized?Yes, composition can be tailored to meet magnetic or thermal requirements.
Is electron beam evaporation recommended?Yes, due to high melting temperatures, e-beam evaporation is commonly preferred.
Will the alloy composition remain stable during evaporation?With proper process control, consistent composition transfer can be achieved.
Is it suitable for magnetic film applications?Yes, Fe/Ni alloys are widely used for soft magnetic thin films.
Are material certificates available?Yes, chemical composition and batch traceability documentation can be provided.

Packaging

Our Iron Nickel Evaporation Materials are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. Materials are carefully vacuum-sealed or packed in moisture-resistant containers to prevent oxidation during storage and transportation.

Conclusion

Iron Nickel Evaporation Materials (Fe/Ni) provide a reliable alloy solution for magnetic, conductive, and functional thin film deposition. With customizable composition, controlled purity, and stable evaporation performance, they support a broad range of electronic, magnetic, and research applications.

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

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FAQ

  • They are high‐purity substances (e.g. metals, alloys, or compounds) used in thermal or electron‐beam evaporation processes to form thin films on substrates.

  • Typically, they’re processed into a form (often ingots, pellets, or wires) that can be efficiently vaporized. Preparation emphasizes high purity and controlled composition to ensure film quality.

  • Thermal evaporation and electron-beam (e-beam) evaporation are the two main techniques, where material is heated (or bombarded with electrons) until it vaporizes and then condenses on the substrate.

  • Thermal evaporation heats the material directly (often using a resistive heater), while e-beam evaporation uses a focused electron beam to locally heat and vaporize the source material—each method offering different control and energy efficiency.

  • Key parameters include source temperature, vacuum level, deposition rate, substrate temperature, and the distance between the source and the substrate. These factors influence film uniformity, adhesion, and microstructure.

  • Evaporation generally produces high-purity films with excellent control over thickness, and it is especially suitable for materials with relatively low melting points or high vapor pressures.

  • Challenges include issues with step coverage (due to line-of-sight deposition), shadowing effects on complex topographies, and possible re-evaporation of material from the substrate if temperature isn’t properly controlled.

  • Common evaporation materials include noble metals (e.g., gold, silver), semiconductors (e.g., silicon, germanium), metal oxides, and organic compounds—each chosen for its specific optical, electrical, or mechanical properties.

  • Selection depends on desired film properties (conductivity, optical transparency, adhesion), compatibility with the evaporation process, and the final device application (semiconductor, optical coating, etc.).

  • Optimizing substrate temperature, deposition rate, and chamber vacuum are critical for ensuring that the film adheres well and forms the intended microstructure without defects.

  • Troubleshooting may involve checking the source material’s purity, ensuring stable source temperature, verifying the vacuum level, adjusting the substrate’s position or temperature, and monitoring deposition rate fluctuations.

While evaporation tends to yield very high purity films with excellent thickness control, it is limited by its line-of-sight nature. In contrast, sputtering can deposit films more uniformly on complex surfaces and is more versatile for a broader range of materials.

 

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