MSDS File
Product Overview
Molybdenum Carbide Evaporation Materials (Mo2C) is a high-melting compound evaporation source for specialized thin-film deposition and materials research. Carbides, borides, nitrides, silicides, and related compounds may require electron-beam heating or other high-energy evaporation methods, and some compounds can decompose or change composition before a useful vapor pressure is reached. The evaporation route should therefore be qualified against the required film chemistry rather than assumed to be congruent.
Evaporation Behavior and Process Considerations
These compounds commonly require high-energy evaporation methods such as electron-beam heating. However, high source temperature can also promote decomposition, dissociation, or preferential evaporation. Process qualification should therefore include source-behavior observation and film-composition verification before scaling to long runs.
Technical Data
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Chemical Formula | Mo₂C | Defines the stoichiometric composition |
| Purity | 99.5% – 99.9% | Higher purity improves film uniformity |
| Melting Point | 2,687 °C | Enables high-temperature stability |
| Density | 9.18 g/cm³ | Affects deposition rate and uniformity |
| Evaporation Source | E-beam or thermal boat | Determines evaporation method |
| Particle Size | 3 – 6 mm (custom) | Suitable for crucible loading and even evaporation |
| Material | Key Advantage | Typical Application |
|---|---|---|
| Molybdenum Carbide (Mo₂C) | High hardness, wear resistance | Protective & electronic coatings |
| Molybdenum (Mo) | High purity, excellent conductivity | Semiconductor & optical coatings |
| Tungsten Carbide (WC) | Higher density, extreme wear resistance | Industrial & decorative coatings |
| Question | Answer |
|---|---|
| Can Molybdenum Carbide evaporation materials be customized? | Yes. We can supply in pellet, granule, or custom-shaped pieces according to your system design. |
| What evaporation methods are compatible? | Suitable for both electron-beam and resistive thermal evaporation systems. |
| Is Mo₂C suitable for reactive deposition? | Yes. It can be used in reactive atmospheres such as nitrogen or oxygen depending on the desired compound film. |
| What is the packaging method? | Vacuum-sealed in moisture-proof containers with protective foam to prevent oxidation and contamination. |
| Which industries most commonly use it? | Semiconductor, optical, aerospace, and energy sectors. |
Typical Thin-Film Applications
- Hard, refractory, electronic, protective, and specialty compound thin films
- High-temperature or advanced-material coating research
- R&D evaluating decomposition behavior and film stoichiometry under e-beam evaporation
Source Form and Ordering Considerations
For quotation, provide the material or formula, purity, desired source form and size, quantity, evaporation method if known, and any crucible, boat, or e-beam hearth constraints. For compound materials, include the target film composition or application when possible so that source form and process risk can be reviewed together. TFM can supply pellets, pieces, granules, tablets, or other custom forms subject to material manufacturability.
Frequently Asked Questions
Can Molybdenum Carbide be evaporated by electron beam?
Electron-beam heating is often evaluated for high-melting compounds because it can provide localized high temperature. However, the compound may decompose before evaporating congruently.
Will Molybdenum Carbide maintain its stoichiometry during evaporation?
Not necessarily. Carbides, borides, nitrides, silicides, and related compounds can dissociate or evaporate preferentially, so film composition should be verified.
Why is source conditioning important for Molybdenum Carbide?
Gradual conditioning reduces thermal shock, outgassing, and sudden particle ejection while allowing the operator to observe whether the compound remains stable under heating.
What source holder should be used for Molybdenum Carbide?
The holder must tolerate the required temperature and avoid chemical reaction with the charge. E-beam hearth or compatible crucible selection should be reviewed for the specific material.
Is a pellet or dense piece preferable for Molybdenum Carbide?
A dense, mechanically stable charge is generally easier to load and condition than loose powder. The ideal form depends on hearth size and the required evaporation rate.
What information should I provide for a Molybdenum Carbide evaporation-material quotation?
Provide formula, purity, source form, piece or pellet size, quantity, evaporation method, source-holder details, and the intended film composition or application.
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