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Chromium Telluride

    • Product Name Chromium Telluride
    • Alias Tellurium chromium
    • Einecs 242-241-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    479417

    Chemicalname Chromium Telluride
    Chemicalformula CrTe
    Molarmass 163.60 g/mol
    Appearance Black crystalline solid
    Density 7.82 g/cm³
    Meltingpoint 1072 °C
    Crystalstructure Hexagonal
    Casnumber 12019-08-8
    Magneticproperties Ferromagnetic
    Solubility Insoluble in water

    As an accredited Chromium Telluride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Chromium Telluride, 100g: Supplied in a sealed amber glass bottle with screw cap, labeled with chemical name, purity, and hazard warnings.
    Shipping Chromium Telluride should be shipped in tightly sealed containers, protected from air and moisture. It must be labeled appropriately with hazard warnings. Transport should comply with relevant regulations for hazardous materials, ensuring secure packaging to prevent spills or exposure. Avoid contact with incompatible substances, and store in a cool, dry place during transit.
    Storage Chromium telluride should be stored in a tightly sealed container in a cool, dry, and well-ventilated area. Protect it from moisture, acids, and incompatible substances. Avoid exposure to oxidizing agents and strong acids, as these may cause hazardous reactions. Use appropriate labeling, handle with care, and follow safety and disposal regulations to prevent contamination and ensure safe storage.
    Application of Chromium Telluride

    Applications of Chromium Telluride in Industrial Manufacturing

    Chromium telluride is an advanced inorganic compound widely used in specialized industrial fields. The following sections detail major application scenarios, with technical focus on compliance, usage, downstream processing, and real-world finished goods.

    1. Thin-Film Magnetoresistive Device Fabrication

    Technology sectors use chromium telluride as a key material in the deposition of thin films for spintronic and magnetoresistance components. Its unique crystalline properties enable the creation of multilayer structures with tunable magnetic and electrical behavior, essential for modern data storage and sensor technologies. In these facilities, chromium telluride sources integrate into clean-room environments where vacuum-based methods such as molecular beam epitaxy (MBE) or sputtering apply the material to wafer substrates for subsequent microfabrication steps.

    Industry compliance standards

    • IEC 62341 OLED standard (for magnetic sensor integration)
    • ISO 9001:2015 Quality Management during deposition
    • RoHS Directive (2011/65/EU) for hazardous substances restriction
    • ANSI/ESD S20.20 for electrostatic controls in clean-room operations

    Typical usage ratio

    • Target thickness: 10 nm to 200 nm per layer (deposited via MBE or sputtering). Adjustment based on electrical/magnetic design criteria and substrate compatibility.

    Downstream process integration

    • Loaded in target holder or effusion cell, evaporated onto silicon or glass wafers after standard pre-cleaning and patterning. Integration with magnetic field orientation systems to control grain structure.

    Final product types

    • Magnetoresistive Random Access Memory (MRAM)
    • Read heads for high-density hard drives
    • Magnetic sensors for industrial automation
    • Spintronic switches and logic devices

    2. High-Temperature Thermoelectric Module Production

    Manufacturers include chromium telluride in thermoelectric device fabrication where control over p-type and n-type element efficiency is critical for energy conversion at elevated temperatures. The material serves in the synthesis of legs and sensors that require stable thermal and electrical characteristics over a wide operating range. Blending happens during powder metallurgy or direct melt-processing, followed by sintering and module assembly under controlled inert conditions to preserve stoichiometry and microstructure fidelity.

    Industry compliance standards

    • IEC 60751 Industrial Platinum Thermocouples (for compatibility of sensor modules)
    • ASTM E2550-13 Standard Test Method for Thermal Diffusivity of Advanced Ceramics
    • ISO 14001:2015 (process environmental management)

    Typical usage ratio

    • 5% to 12% mass ratio in composite legs (varies by desired Seebeck coefficient and working temperature, typically 450°C to 700°C operating range).

    Downstream process integration

    • Blended with other tellurides or intermetallics at pre-compounding, pressed into pellets, then sintered in reducing or inert atmosphere before assembly into modules or sensors.

    Final product types

    • High-performance thermoelectric generators (TEG) for industrial waste heat recovery
    • Precision temperature sensing modules for laboratory and industrial furnaces

    3. Specialty Alloy Additive for Hard Facing and Wear Resistance

    Tool manufacturers blend chromium telluride with base metal powders to enhance wear, corrosion, and oxidation resistance in hard-facing alloys. The additive interacts with steel or cobalt matrices during thermal spraying, PTA welding, or sintering. The precise telluride content affects lattice structure, promoting the formation of protective chromium-rich phases that extend tool service life when facing abrasive or corrosive environments.

    Industry compliance standards

    • ISO 14920 Thermal spraying - Sprayed metallic coatings
    • ASTM B946-17 for powder metallurgy precursors
    • EN 14700 Welding consumables for surfacing (for PTA and MIG processes)

    Typical usage ratio

    • 1% to 6% by mass in alloying blends. Ratio tailored according to wear/oxidation performance requirements, substrate steel grade, and deposition method.

    Downstream process integration

    • Mixed into alloy feedstock before sintering, or added to thermal spray powders. Deposition by plasma transferred arc (PTA), laser cladding, or HVOF spraying onto heavy-duty tools and pump parts.

    Final product types

    • Drill bits and tool inserts for mineral processing
    • Pump components for chemical plants
    • Protective coatings on cutting tools and wear plates

    4. Magnetic Refrigeration Material Preparation

    Chromium telluride enters the manufacturing stream of solid-state refrigeration media that leverage the magnetocaloric effect. Research and pilot industrial operations incorporate it into composite systems designed for next-generation cooling units, where material purity, controlled stoichiometry, and uniform crystallite size directly influence magnetic phase transitions and thermal cycles. The compound undergoes mixing, compaction, and sintering processes under strict atmosphere management to preserve magnetic functionality.

    Industry compliance standards

    • IEC 62552-3:2020 (for testing domestic and commercial refrigerating appliances)
    • ISO/TS 16949:2009 (automotive supplier quality management for thermal systems)
    • REACH Regulation (EC) No 1907/2006 compliance for chemical safety

    Typical usage ratio

    • 3% to 10% by weight within magnetic alloy blend, adjusted per phase transition requirements and cooling efficiency targets (tuning based on working temperature window, typically 260K–330K).

    Downstream process integration

    • Introduced during powder mixing and compacted under pressure, followed by high-temperature sintering and functional testing for adiabatic temperature change capabilities.

    Final product types

    • Prototype and commercial magnetic refrigeration elements
    • Magnetocaloric heat exchangers for industrial and laboratory cooling

    5. Infrared Detector and Imaging Device Manufacturing

    Producers of advanced photodetectors utilize chromium telluride in absorber layer formulations for infrared (IR) sensor chips. Its tailored bandgap and carrier mobility enable improved sensitivity at critical IR wavelengths. The compound disperses onto structured semiconductor substrates by molecular beam epitaxy or chemical vapor deposition. Stringent process monitoring ensures uniformity, while post-deposition annealing tunes the final device performance for high-value aerospace, defense, or analytical instrumentation.

    Industry compliance standards

    • MIL-STD-883 for microcircuit device reliability
    • ISO 14644-1 Class 5 cleanroom environment
    • RoHS exemption 39 (applicable to specialist detectors in defense and research)

    Typical usage ratio

    • Absorber thickness: 30 nm–150 nm. Dosage controlled by desired responsivity, spectral range (typically 3–14 μm), and pixel geometry.

    Downstream process integration

    • Used as evaporant in MBE or feed in CVD reactors; deposited on InSb, HgCdTe, or silicon detectors following photolithographic patterning, then annealed for uniform grain structure and defect minimization.

    Final product types

    • Infrared Focal Plane Arrays (FPAs)
    • Short and long-wave IR imaging modules
    • Scientific-grade thermographic cameras and sensors
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    Certification & Compliance
    More Introduction

    Chromium Telluride: A Closer Look from the Manufacturer’s Perspective

    Introduction to Chromium Telluride

    Producing Chromium Telluride has always required commitment to quality, deep technical knowledge, and the patience that comes with working at the frontier of material science. As manufacturers, we tackle every batch head-on, knowing the difference a single deviation can make to a researcher or industrial client relying on consistent results. This compound’s precise composition—especially in its CrTe, Cr2Te3, and Cr3Te4 forms—gives it unique qualities with no simple equivalents among transition metal tellurides.

    Our experience starts from selecting high-purity chromium and tellurium. Each source is assayed in-house, not just to confirm minimum purity, but to investigate trace contaminants that could compromise magnetic or catalytic properties. Even small deviations will affect phase stability and the subsequent magnetic or electronic characteristics. The raw feedstock is critical; impurities at the starting stage result in unpredictable performance in high-end applications.

    On the Model and Specifications of Chromium Telluride

    Chromium Telluride isn’t a one-composition material. Over decades, our team has synthesized several stoichiometric variants, including CrTe, Cr2Te3, and Cr3Te4. Each matches a distinct crystal structure, which directly influences its magnetic ordering, electronic conduction, and suitability for niche research. Our Cr2Te3 features a hexagonal structure and sharp ferromagnetic transitions, making it a reliable benchmark for academic and private-sector projects focused on topological magnetism.

    Particle size also tells a story. Demand varies—some labs need fine powders below 5 micrometers, while other industrial users prefer compacted targets for thin-film growth in molecular beam epitaxy (MBE) or pulsed laser deposition. We grind, sieve, and analyze grain size distribution after synthesis rather than dictating an off-the-shelf solution. Powder morphology affects reactivity, flow, and sintering, so every order receives thorough tracking from furnace to final inspection.

    Our analytical team employs X-ray diffraction, SEM-EDS, and ICP-OES to ensure purity and structure match project needs. These are not just measurements for a certificate—they are insurance that downstream applications such as spintronic device prototyping, thermoelectric research, or catalysis will not suffer setbacks due to raw material inconsistencies. We treat every certificate of analysis as more than a formality. Variances in oxygen, carbon, or unwanted metallic inclusions have prompted entire batch recalls in our history. No trader stands to bear that cost; manufacturers do, and so we scrutinize every run.

    Applications: Why Our Clients Choose Chromium Telluride

    Researchers and technologists come to us for Chromium Telluride because every experiment or fabrication run counts. Spintronic devices need stable and reliable ferromagnetism below and above room temperature. Chromium Telluride skews toward robust and tunable magnetic properties, depending on the phase. Thanks to long-standing relationships with condensed matter physicists, we know that lab teams depend on our Cr2Te3 phase for magnetic tunnel junction studies—a level of magnetic anisotropy and Curie temperature control uncommon among metallic tellurides.

    In catalysis circles, especially for CO2 electroreduction and hydrogen evolution, Chromium Telluride draws interest because of its electronic structure. The chromium–tellurium bond creates catalytic sites that show selectivity and stability, especially under repeated cycling. Many tellurides fall short under actual working conditions. Chromium Telluride, on the other hand, maintains structural integrity even when scaled for pilot plant electrolyzers.

    Another major frontier is thermoelectrics. Researchers want a high Seebeck coefficient, good electrical conductivity, and low thermal conductivity in one package. The interplay of chromium and tellurium atoms in these compounds creates a natural scenario for phonon scattering while retaining carrier transport, giving samples efficient conversion in lab-scale modules. We have supplied multiple European and North American universities developing next-generation devices for waste heat recovery.

    Industrial users approach us for thin-film targets used in physical vapor deposition. Consistency of material density and absence of contamination have prioritized our chromium telluride over others. Even laboratories running with the same PVD equipment for years call out performance increments when switching to our targets. This feedback has informed our manufacturing process—modest changes in press pressure or annealing profiles can produce targets that avoid pin-prick defects and porosity.

    Experience from the Manufacturing Floor

    Not all chemical manufacturers get to work hand-in-hand with both world-leading scientists and large-scale industrial operations. Our plant has seen enough requests for customization to fill a catalog. There are days when the synthesis team will run a batch for a national lab, demanding 99.999% purity in CrTe, and the following week fill a crate destined for a coatings company needing robust pressed targets for high-throughput production. Each customer profile changes the way we balance raw material sourcing, quality control bottlenecks, and shipment timelines.

    CrTe’s magnetic and electrical properties dramatically shift with minor off-stoichiometry. Getting the exact ratio requires both experience and control systems. We use controlled atmosphere furnaces, real-time weight tracking, and run sample checks mid-synthesis. No automated system replaces the human oversight our senior technicians deliver—if the batch doesn’t look and behave right at intermediate stages, they have the authority to halt, troubleshoot, and restart, even at the cost of throughput. It’s our name and reputation at stake, not a reseller’s docket number.

    Shipping presents challenge after challenge. We have seen moisture ingress from poorly sealed jugs ruin pounds of fine powder, so now each shipment receives vacuum-sealed packaging. Logistics teams track not just route and temperature but real-time humidity exposure. These skills come directly from bad experiences—delays, contaminated batches, and the costs of remediation are instructional. It’s these scars, not stock photo perfection, that shape process improvement.

    Comparison with Other Materials

    Chromium Telluride stands apart from more commonly used transition metal tellurides like iron telluride or nickel telluride. Magnetic transition variance in our compound provides unique opportunities for device innovation. Most iron telluride variants lack the magnetic anisotropy and temperature stability seen in our meticulously made Cr2Te3. Nickel telluride tends to offer easier processability in some forms, but our chromium variants outperform when ferromagnetic order and spin polarization are required.

    Molybdenum telluride, a semiconductor favorite, often overshadows chromium telluride in thin-film transistor projects. Yet, the electronic structure and carrier mobility in our CrTe and Cr2Te3 demonstrate distinct advantages for applications needing direct spin coupling and higher magnetic moments. These properties simply don’t appear in many other tellurides, giving Chromium Telluride a unique spot in a material scientist’s toolbox.

    Among transition metal chalcogenides, reproducibility remains a thorn for many labs. The chromium-tellurium system resists unwanted polymorph formation more readily than others when tightly controlled. Our process brings the confidence that each lot delivers the targeted phase and minimal batch-to-batch variation. Clients often report more predictable results down the line, whether in extended magnetotransport experiments or multiple film deposition cycles.

    Our synthesis line does not take shortcuts. Traders can offer a dozen similar compounds, but only those with hands-on control over the full production cycle will know how heat gradients, raw material aging, or even reactor lining materials interfere with final performance. Our laboratory doesn’t wait for customer feedback on a defective batch—we spot, correct, and log every incident internally, then share insights in technical notes accompanying shipments. This tight feedback loop cannot exist with resellers operating in the middle.

    Challenges We Encounter, Solutions We Build

    Producing high-grade Chromium Telluride routinely exposes the team to technical and logistic hurdles. Obtaining high-purity tellurium on the open market requires constant vigilance. Impurities like bismuth or copper tag along too easily, demanding additional purification steps in-house. Each additional process step incurs cost and potential yield loss, but minimizing these contaminants stands central to everything that follows. Experience with impurity impact led us to modify our raw material acceptance criteria, often sending back entire shipments rather than compromise the next run.

    The volatility of tellurium creates complexity in stoichiometry control. Small missteps in handling or furnace parameters result in tellurium loss, throwing final product composition off target. After learning this the hard way, we adopted weigh-back analysis throughout mid-batch cooling steps, making sure that material mass tracks with stoichiometric intent. No instrument corrects for oversight as effectively as hands-on double-checking.

    Waste management is another reality seldom discussed. Refining and synthesizing Chromium Telluride generates tellurium- and chromium-bearing tailings. Local regulations enforce stringent neutralization, and our site engineers built a closed system to treat all liquid and solid residues in-house. Material traces do not leave the plant unless remediated according to best environmental practices. We see environmental compliance as inseparable from product quality and customer trust, not a cost to be minimized.

    Shipping internationally, particularly to partners in Asia and North America, means attention to import regulations and safety procedures. Customs checks, documentation bottlenecks, and hazmat requirements can cause delays. By keeping regulatory managers fully briefed and responding directly to inspector questions, we cut administrative wait times and resolve compliance issues before they cost time or credibility for the destination lab or industrial user.

    Why Rely on a Chemical Manufacturer's Expertise?

    There are plenty of sources for Chromium Telluride in today’s globalized market. None of those channels can match direct manufacturer accountability. We have an open-door policy with our industrial partners and research clients; every question about batch provenance, process history, or performance is answered straight from the production records, not secondhand. This transparency builds more than just compliance with industry standards—it creates a cycle of mutual trust.

    Academic collaborations, often funded under tight budgets and short grant cycles, demand that each order provides maximum utility. We offer technical guidance routinely, from suggestions on powder handling to consultation on phase selection, based not only on our technical literature but on observed performance in previous client experiments. This bridge between supplier and user makes a difference, especially for group leaders managing large research teams or startup founders scaling a new device prototype.

    Our in-house R&D benefits from every kilogram of Chromium Telluride shipped. Customer feedback, material performance, and new use cases feed topics for our internal seminars. Engineers, shift leaders, and synthesis chemists debate the impacts of changing cooling rates, atmospheric conditions, or pressing cycles. Every insight directly shapes the refinement of our process. No third-party distributor can engage at this granular level.

    We equip clients with current and candid data, not only on the product but on improvements in environmental and process technology. Industry standards shift over time, whether due to REACH, OSHA, or local environmental pressures. By investing in both compliance and forward-looking process improvements, our new batches of Chromium Telluride often exceed baseline expectations and serve as reference standards in multi-lab studies.

    What Our Clients Have Taught Us

    Years in production teach you as much as any journal article. Clients highlight needs, spot problems, push requests, and sometimes challenge you. One university group tracing low-temperature magnetic domain wall motion showed us how even a sub-ppm oxygen content shift could play havoc with measurements. Their direct communication prompted not only a recall but a rework of our argon purging system.

    Industrial clients bring up different issues. Film manufacturers running PVD find out quickly how subtle inclusions translate into arc defects. We took on the challenge by redesigning our pressed target mold cleaning procedures and tracking non-metallic inclusions batchwise. Customers’ feedback, detailed or direct, sets the tone for real change and avoids future repetition of errors.

    Some clients use Chromium Telluride as a launchpad for entirely new branches of research. We support these experiments, sometimes with custom-designed phases or altered particle morphologies based on experimental results. These collaborations uncover unseen possibilities and push us to synthesize new compounds or adjust process controls at the edge of mainstream specifications.

    Looking Forward: The Path of Chromium Telluride

    The future for Chromium Telluride points toward broader application in quantum materials, such as in van der Waals heterostructures for exotic magnetic or electronic behavior. Research calls for ever-tighter compositional control. As the manufacturer, we recognize the push for scalable, high-purity, low-defect compounds that meet the requirements of both research and industry.

    Materials science rarely remains static. Our process adjusts to shifts in demand, regulatory environments, and best practices. Each development in thin-film technology, energy storage, or information processing highlights the ongoing relevance of Chromium Telluride’s specific properties. We keep investing in tighter feedback cycles, cleaner synthetization, and greater hands-on oversight, because downstream users—from lab researchers to device engineers—depend on that rigor.

    Producing Chromium Telluride remains an exercise in technical precision, ongoing validation, and honest communication. These attributes never arrive from brokers or aggregators. Clients seeking confidence in results, material provenance, and partnership find value working with us straight from the manufacturing floor.