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Nickel(II) Oxide Evaporation Materials

VD0718 Nickel(II) Oxide Evaporation Materials, NiO

Catalog No.VD0718
MaterialNickel Oxide (NiO)
Purity99.9%
ShapePowder/ Granule/ Custom-made

TFM is a premier manufacturer and supplier of high-purity nickel(II) oxide evaporation materials, along with an extensive range of other evaporation materials. We provide these materials in both powder and granule forms, with the option for customized shapes to meet specific needs.

MSDS File

Introduction

Nickel(II) Oxide Evaporation Materials (NiO) are high-purity oxide sources designed for vacuum deposition of p-type semiconducting and functional thin films. As a wide bandgap transition metal oxide, NiO is widely used in optoelectronics, resistive switching devices, electrochromic systems, and transparent electronics research.

In physical vapor deposition (PVD) processes, NiO evaporation materials enable controlled formation of uniform oxide films with tunable electrical and optical properties. Proper stoichiometry and purity are essential to achieving consistent film conductivity and stability.

Detailed Description

Nickel(II) Oxide (NiO) is a stable cubic oxide with a melting point above 1900°C and a bandgap typically in the range of 3.6–4.0 eV. Due to its insulating or semiconducting nature depending on defect structure, NiO films are commonly used in electronic and optoelectronic devices.

Evaporation materials are generally supplied in:

  • Sintered pellets

  • Granules

  • Pressed tablets

  • Custom-cut ceramic pieces

Manufacturing emphasizes:

  • High phase purity to avoid metallic Ni contamination

  • Controlled oxygen stoichiometry

  • Dense microstructure (≥95% theoretical density)

  • Uniform grain size for stable evaporation

NiO evaporation materials are typically used in electron beam evaporation or high-temperature thermal evaporation systems. Reactive oxygen control during deposition can be applied to fine-tune film stoichiometry and electrical characteristics.

NiO thin films commonly exhibit:

  • P-type semiconducting behavior

  • High optical transparency in visible range

  • Good chemical stability

  • Compatibility with perovskite and oxide-based systems

These properties make NiO attractive for hole transport layers and functional oxide stacks.

Applications

Nickel(II) Oxide Evaporation Materials are widely used in:

  • Transparent p-type semiconductor films

  • Electrochromic devices

  • Resistive switching memory (ReRAM) research

  • Perovskite solar cell hole transport layers

  • Gas sensors and catalytic thin films

  • Spintronic and oxide electronics research

  • Thin film capacitors and dielectric studies

NiO is frequently integrated into multilayer structures where controlled conductivity and transparency are required.

Technical Parameters

ParameterTypical Value / RangeImportance
Chemical FormulaNiODefines oxide semiconductor properties
Purity99.9% – 99.99%Reduces defects & improves film quality
FormPellets / Granules / PiecesCompatible with evaporation sources
Density≥ 95% theoreticalEnhances deposition stability
Bandgap~3.6–4.0 eVInfluences optical transparency
Deposition MethodE-beam / Thermal (with O₂ control)Maintains stoichiometry

Custom pellet sizes and material forms can be provided according to specific vacuum system requirements.

Comparison with Related Oxide Materials

MaterialKey AdvantageTypical Application
NiOStable p-type oxide semiconductorTransparent electronics
ZnON-type transparent oxideTransparent conductive films
TiO₂High dielectric & photocatalytic activityOptical coatings
Cu₂OP-type semiconductorPhotovoltaic research

Compared to ZnO, NiO provides p-type conductivity, making it complementary in transparent electronic and heterojunction applications.

FAQ

QuestionAnswer
Is oxygen control required during deposition?Oxygen control may be used to optimize film stoichiometry and conductivity.
Is NiO suitable for thermal evaporation?Yes, but electron beam evaporation is often preferred for better control.
Can custom pellet sizes be supplied?Yes, size and form can be tailored to match your equipment.
Is NiO compatible with perovskite solar cells?Yes, it is widely used as a hole transport layer in perovskite devices.
Are certifications available?Yes, chemical analysis and batch traceability documents can be provided.

Packaging

Our Nickel(II) Oxide 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 maintain integrity during storage and transportation.

Conclusion

Nickel(II) Oxide Evaporation Materials (NiO) provide a reliable solution for p-type semiconductor films and functional oxide thin film applications. With controlled purity, stable evaporation performance, and customizable configurations, they support advanced research and industrial deposition processes.

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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