Thin Film Materials Logo
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
bismuth-ferrite-evaporation-materials-2-jpg

VD0675 Bismuth Ferrite Evaporation Materials, BiFeO3

Catalog No.VD0675
MaterialBismuth Ferrite (BiFeO3)
Purity99.9%
ShapePowder/ Granule/ Custom-made

TFM is a top manufacturer and supplier of high-purity bismuth ferrite evaporation materials, along with a diverse range of other evaporation materials. We provide these materials in both powder and granule forms, and we can also create custom formulations to meet specific requirements.

MSDS File

Introduction

Bismuth Ferrite Evaporation Materials (BiFeO₃) are complex oxide compounds widely used in the deposition of multiferroic and functional thin films. As one of the few single-phase materials exhibiting both ferroelectric and antiferromagnetic properties at room temperature, BiFeO₃ has attracted significant attention in advanced electronics, spintronics, and memory device research.

In thin film deposition, BiFeO₃ evaporation materials are selected for fabricating functional oxide layers where electric polarization and magnetic ordering coexist. High phase purity and controlled composition are essential to achieving reproducible electrical and magnetic properties.

Detailed Description

BiFeO₃ is a perovskite-structured oxide ceramic composed of bismuth and iron in a 1:1 atomic ratio. Due to the volatility of bismuth during high-temperature processing, careful control of synthesis and densification is required to maintain stoichiometric balance.

Evaporation materials are typically supplied in the form of:

  • Sintered pellets

  • Granules

  • Custom-shaped pieces compatible with crucibles or boats

Key manufacturing considerations include:

  • Phase purity to avoid secondary phases such as Bi₂Fe₄O₉

  • Optimized density for stable evaporation

  • Controlled oxygen content

  • Homogeneous microstructure to support consistent deposition rates

BiFeO₃ evaporation materials are generally used in electron beam evaporation or high-temperature thermal evaporation systems. For reactive deposition processes, oxygen partial pressure control is critical to preserve the correct oxidation state and maintain film crystallinity.

The resulting thin films may exhibit:

  • Strong ferroelectric polarization

  • Magnetoelectric coupling

  • High dielectric constant

  • Photovoltaic and photocatalytic activity

These properties make BiFeO₃ attractive for multifunctional device platforms.

Applications

Bismuth Ferrite Evaporation Materials are commonly used in:

  • Ferroelectric memory devices (FeRAM research)

  • Multiferroic thin film development

  • Spintronic devices

  • Magnetoelectric coupling studies

  • Photovoltaic oxide thin films

  • Sensors and actuators

  • Advanced academic and R&D laboratories

BiFeO₃ thin films are often integrated into layered heterostructures with other perovskite oxides to explore interface-driven phenomena.

Technical Parameters

ParameterTypical Value / RangeImportance
Chemical FormulaBiFeO₃Defines multiferroic perovskite structure
Purity99.9% – 99.99%Ensures phase stability and functional properties
FormPellets / Granules / PiecesCompatible with various evaporation sources
Diameter (Pellet)10 – 50 mm (custom)Matches crucible dimensions
Density≥ 95% theoreticalImproves evaporation consistency
Recommended MethodE-beam / Thermal (with O₂ control)Maintains film stoichiometry

Custom sizes and compositions can be tailored for research or pilot-scale production.

Comparison with Related Functional Oxides

MaterialKey AdvantageTypical Application
BiFeO₃Room-temperature multiferroicityFerroelectric & spintronic research
BaTiO₃Strong ferroelectric behaviorCapacitors & sensors
Pb(Zr,Ti)O₃ (PZT)High piezoelectric responseActuators & transducers
LaFeO₃Stable magnetic oxideSensor & catalytic films

Compared to traditional ferroelectrics like BaTiO₃ or PZT, BiFeO₃ uniquely combines electric and magnetic ordering in a single phase, enabling multifunctional device concepts.

FAQ

QuestionAnswer
Is BiFeO₃ suitable for simple thermal evaporation?It can be used, but careful oxygen control is recommended to maintain stoichiometry.
Can the composition be adjusted?Yes, slight compositional adjustments can be customized for specific research needs.
Is it compatible with oxide substrates?Yes, commonly deposited on SrTiO₃, LaAlO₃, and similar substrates.
What deposition method is preferred?Electron beam evaporation with controlled oxygen atmosphere is often preferred.
Is batch traceability available?Yes, material certificates and lot traceability can be provided.

Packaging

Our Bismuth Ferrite Evaporation Materials 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 materials arrive in perfect condition.

Conclusion

Bismuth Ferrite Evaporation Materials (BiFeO₃) offer a reliable solution for the fabrication of multiferroic and functional oxide thin films. With controlled stoichiometry, high phase purity, and customizable configurations, they support advanced research in ferroelectricity, magnetoelectric coupling, and next-generation electronic devices.

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

Reviews

There are no reviews yet.

Be the first to review “VD0675 Bismuth Ferrite Evaporation Materials, BiFeO3”

Your email address will not be published. Required fields are marked *

Related Products

Related products

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.

 

Shopping Cart
Scroll to Top