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SciMater™ Research-Grade Ternary MAX Phase Powder (Mo2Ga2C)

  • Product Code:Mo2Ga2C
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SciMater™ ADVANCED LAYERED MATERIALS

Mo₂Ga₂C Ternary MAX Phase (221) Powder

Research-Grade Layered Carbide | Nominal Purity ≥99% | 200 and 400 Mesh | 1 g, 5 g, and 50 g Packaging

Mo₂Ga₂C 221-Type Structure M₂A₂X Ga Double-Layer Structure Research-Grade Powder

Mo₂Ga₂C is a ternary carbide with a distinctive layered structure. Its primary structural feature is the alternating arrangement of Mo₂C layers and Ga double-atomic layers. It is suitable for research on crystal structures, interlayer bonding, interfacial reactions, thermal and mechanical properties, electronic structures, and composite materials.

Product Series MAX Phase (221)
Nominal Purity ≥99%
Available Mesh Sizes 200 / 400 Mesh
Packaging 1 g / 5 g / 50 g

Product Description

Mo₂Ga₂C is a ternary MAX phase (221) layered material with the general composition M₂A₂X, where M is Mo, A is Ga, and X is C. Unlike the common 211-type M₂AX structure, the 221-type structure contains two A-element layers. In Mo₂Ga₂C, Ga double-atomic layers are positioned between adjacent Mo₂C layers.

This research-grade powder can be used for studies of phase composition, crystal structure, interlayer interactions, interfacial reactions, powder sintering, functional coatings, and composite materials. Phase ratios, particle-size distributions, and powder morphology may vary between batches; batch-specific characterization data should therefore be reviewed when required.

Basic Product Specifications

ParameterProduct Information
Product NameMo₂Ga₂C Ternary MAX Phase Powder
Chemical FormulaMo₂Ga₂C
Product SeriesTernary MAX Phase (221)
General FormulaM₂A₂X
M-Site ElementMo
A-Site ElementGa
X-Site ElementC
Structural FeatureAlternating Mo₂C layers and Ga double-atomic layers
Product FormPowder
Product GradeResearch Grade
Nominal Purity≥99%
Available Mesh Sizes200 and 400 Mesh
Packaging1 g, 5 g, and 50 g
Characterization DataBatch-specific XRD, SEM, EDS, and particle-size data may be available upon request
Inventory StatusPlease Inquire

Core Product Information

Product ModelMAX Phase TypeGeneral FormulaM ElementA ElementX ElementA-Layer StructureProduct FormNominal PurityAvailable Mesh SizesStandard PackagingPrimary Research Areas
Mo₂Ga₂CTernary MAX Phase (221)M₂A₂XMoGaCGa Double-Atomic LayerPowder≥99%200 and 400 Mesh1 g, 5 g, and 50 gCrystal structure, interlayer bonding, electronic structure, thermal and mechanical properties, interfaces, and composite materials
Nominal purity is not necessarily identical to the content of the primary MAX phase. When strict requirements apply to phase ratios, secondary phases, lattice parameters, or particle-size distribution, please review the XRD and particle-size data for the relevant batch.

Key Features

Product FeatureDescription
221-Type Layered StructureRepresented by the M₂A₂X formula, distinguishing it from common 211-type M₂AX materials
Ga Double-Layer FeatureGa double-atomic layers are located between Mo₂C layers, supporting interlayer-structure and bonding studies
Broad Research ValueSuitable for structural, thermal, mechanical, electronic, interfacial, and high-pressure studies
Research-Grade PowderNominal purity ≥99%, suitable for phase characterization, sintering, composite preparation, and coating experiments
Defined Mesh OptionsAvailable in 200 and 400 mesh to support both solid-state reactions and fine-dispersion applications
Flexible PackagingSmall packages are suitable for preliminary trials, while 50 g packages support continuous experiments and staged R&D
Customization AvailableSpecial particle sizes, packaging, bulk supply, and characterization requirements are available upon request

Typical Applications

Application AreaApplication Description
Crystal Structure ResearchAnalysis of the 221-type layered structure, lattice parameters, and Ga double-layer arrangement
Interlayer Bonding ResearchStudy of Mo–C and Mo–Ga bonding, Ga-layer interactions, and structural stability
Electronic Structure ResearchAnalysis of band structures, density of states, electronic transport, and related functional properties
Thermal Property ResearchResearch on thermal stability, heat capacity, thermal expansion, and high-temperature behavior
Mechanical Property ResearchResearch on hardness, elasticity, indentation, fracture, and damage behavior
High-Pressure Structural ResearchStudy of structural evolution, stability, and property changes under pressure
Composite Material ResearchCombination with metals, ceramics, or other functional materials to study interfaces and synergistic properties
Coating Material ResearchDevelopment of formulations and processes for slurries, coatings, and functional surface layers
Layered-Material Derivative ResearchResearch on A-layer reactions, elemental substitution, and new MAX-like materials

Mesh Size and Packaging Selection

Available SpecificationKey CharacteristicsRecommended Uses
200 Mesh | 5 gRelatively coarse particles for small-scale trialsPhase characterization, solid-state reactions, pellet pressing, and preliminary sintering
200 Mesh | 50 gGood flowability for continuous experimentsBatch mixing, sintering, composite preparation, and multi-group comparative experiments
400 Mesh | 5 gFiner powder with a larger contact areaDispersion tests, slurries, coatings, and preliminary interfacial-reaction experiments
400 Mesh | 50 gSuitable for fine mixing and staged R&DCoating, composite preparation, fine dispersion, and continuous-process research
Mesh size is a sieving specification and does not represent the complete particle-size distribution. When specific D10, D50, or D90 values are required, please review the particle-size data for the relevant batch.

Instructions for Use

ProcedureInstructions
Specification SelectionSelect 200 or 400 mesh according to the requirements of solid-state reactions, sintering, dispersion, or coating preparation
Opening and SamplingUse clean, dry tools for sampling and avoid contamination from moisture, oils, or other powders
Powder DryingFor moisture-sensitive experiments, low-temperature vacuum drying or inert-atmosphere drying may be used
DispersionSelect a compatible solvent and improve dispersion through stirring, ultrasonication, or low-energy ball milling
Material MixingMix uniformly with metals, ceramics, or other functional powders according to the experimental formulation
Pellet FormingPellet pressing may be performed before sintering or mechanical testing; forming pressure should be adjusted according to the equipment and powder condition
Heat TreatmentTemperature, atmosphere, heating rate, and holding time should be optimized through preliminary trials
Coating PreparationThe powder may be formulated into a slurry and applied by doctor blading, spraying, or another suitable film-forming method
Material CharacterizationXRD, SEM, TEM, EDS, XPS, and particle-size analysis are recommended to verify material condition

Recommended Characterization

Characterization MethodPrimary Purpose
XRDConfirm the primary Mo₂Ga₂C phase, crystal structure, lattice parameters, and possible secondary phases
SEMObserve particle morphology, dimensions, surface condition, and agglomeration
TEM / STEMObserve the layered structure, local lattice, and Ga double-layer arrangement
EDSAnalyze Mo, Ga, and C composition and spatial distribution
XPSAnalyze surface elemental states and chemical bonding
Particle-Size AnalysisDetermine particle-size distribution parameters such as D10, D50, and D90
Thermal AnalysisStudy thermal stability, thermal behavior, and oxidation processes
Electrical TestingStudy electrical resistivity and temperature-dependent transport behavior
Mechanical TestingStudy hardness, elasticity, indentation, and damage behavior

Storage and Safety

ItemRecommendation
Storage EnvironmentStore sealed in a cool, dry place away from direct light
Storage After OpeningReseal promptly after use and avoid prolonged exposure to air and moisture
Long-Term StorageVacuum or inert-gas protection may be used when required
Personal ProtectionWear laboratory gloves, a dust mask or suitable respirator, and safety goggles
Dust ControlAvoid generating airborne dust and operate in a fume hood or a suitably ventilated dust-control environment
Waste DisposalDispose of the material according to laboratory requirements for inorganic powders or chemical-material waste
Intended UseFor scientific research and industrial R&D only; not intended for food, medical, or human-use applications

Frequently Asked Questions

1. Why is Mo₂Ga₂C classified as a 221-type MAX phase?
Its composition can be represented as M₂A₂X, containing two A-element layers rather than the single A layer found in common 211-type M₂AX structures. Because Ga double-atomic layers are positioned between the Mo₂C layers, Mo₂Ga₂C is generally classified as a 221-type MAX phase or MAX-like layered material.
2. What is the difference between Mo₂Ga₂C and Mo₂GaC?
Mo₂GaC generally has an M₂AX composition with a single A-element layer, whereas Mo₂Ga₂C has an M₂A₂X composition with a Ga double-layer structure. The two materials therefore differ in stoichiometry, interlayer arrangement, and related properties.
3. Does nominal purity ≥99% mean that the primary MAX phase content is also ≥99%?
Not necessarily. Chemical purity and phase purity are different specifications. When strict requirements apply to the Mo₂Ga₂C primary-phase content, secondary phases, or phase ratios, please review the XRD data for the relevant batch.
4. How should I choose between 200 and 400 mesh?
The 200-mesh powder is generally more suitable for solid-state reactions, pellet pressing, sintering, and routine composite experiments. The 400-mesh powder is more suitable for slurries, coatings, fine mixing, dispersion, and interfacial-reaction studies.
5. Is mesh size equivalent to the actual particle size?
No. Mesh size is primarily a sieving specification and does not fully describe particle-size parameters such as D10, D50, and D90. Particle-size data should be confirmed when precise requirements apply.
6. Is slight powder agglomeration normal?
Yes. Slight agglomeration may occur because of static charge, surface energy, or vibration during transportation. It can generally be reduced through gentle grinding, stirring, ball milling, or ultrasonication.
7. Does the powder need to be dried before use?
Direct sampling is generally suitable for routine structural characterization. For moisture-sensitive heat-treatment, sintering, or interfacial experiments, low-temperature vacuum drying or inert-atmosphere drying may be used as required.
8. Can the powder be used for coating or composite-material research?
Yes. It can be combined with metals, ceramics, or other functional powders according to the research system, and it can also be formulated into slurries for coating and functional-surface-layer experiments.
9. Are other mesh sizes or packaging options available?
Special mesh sizes, particle-size requirements, repackaging, vacuum packaging, inert-gas packaging, and bulk supply may be available upon request, subject to actual customization conditions.
10. What characterization data can be provided?
Batch-specific XRD, SEM, EDS, and particle-size data may be available upon request. Available documentation may vary by batch.

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Ternary MAX Phase 221 Specifications & Price List

Research-Grade Powder ' Purity ≥99% ' 200 Mesh and 400 Mesh ' Available in 1 g, 5 g, and 50 g

Product ModelParticle Size1 g5 g50 g
Mo₂Ga₂C200 Mesh$63$285$1,396
400 Mesh$65$292$1,531

Partial references citing our materials (from Google Scholar)


Carbon Dioxide Reduction

1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO2 Reduction

The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO2 battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO2-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO2 battery.


2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst

In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!


3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO2 Reduction to CO at Ultralow Overpotential

An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.


4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO2 Electroreduction

In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.

SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.


5. Appl. Catal. B Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network

In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.


6. Vacuum Modulable Cu(0)/Cu(I)/Cu(II) sites of Cu/C catalysts derived from MOF for highly selective CO2 electroreduction to hydrocarbons

In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.


7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways

An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.


8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O

Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).


Batteries

1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries

Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.


2. Joule A high-voltage and stable zinc-air battery enabled by dual-hydrophobic-induced proton shuttle shielding

This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.

The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.

Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.

Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.

Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.


3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries

In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.


4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life

The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.


5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts

Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.


6. SSRN An Axially Directed Cobalt-Phthalocyanine Covalent Organic Polymer as High-Efficient Bifunctional Catalyst for Zn-Air Battery

Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.


Oxygen Reduction Reaction

1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black

In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.


2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation

The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.


Water Electrolysis

1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis

The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.


2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer

Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.


3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability

Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.


Fuel Cells

1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength

Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.


Characterization

1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction

An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.

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