Antimony Evaporation Pellets
Overview
Antimony Evaporation Pellets are specialized high-purity metallic antimony (Sb) products designed for vacuum thermal evaporation processes. These pellets serve as a source material in physical vapor deposition (PVD) systems to create thin antimony films or doped layers on substrates. The semiconductor and optical industries rely on these pellets for their consistent evaporation rates and minimal impurity content, which are critical for reproducible thin-film properties. Manufacturers typically produce these pellets through zone refining or other purification techniques to achieve 99.99% (4N) to 99.999% (5N) purity levels. The pellet form factor (typically 3-6mm diameter) ensures optimal handling in evaporation boats or crucibles while minimizing spattering during thermal processing. Their standardized shape and size distribution contribute to uniform heating and controlled deposition rates in industrial coating systems.
Physical and Chemical Properties
Antimony Evaporation Pellets exhibit distinctive metallic properties with a silvery-white luster and moderate hardness. Their crystalline structure (rhombohedral) remains stable up to the melting point of 630.63°C, making them suitable for high-temperature evaporation processes. The material's relatively low vapor pressure allows for controlled deposition rates between 700-900°C in standard thermal evaporation systems. Chemically, antimony shows amphoteric behavior—reacting with both acids and bases under certain conditions. While stable in dry air, the pellets may develop a superficial oxide layer upon prolonged exposure to moist environments. This characteristic necessitates proper storage in inert atmospheres or vacuum packaging. The pellets' density (6.68 g/cm³) and thermal conductivity (24.4 W/m·K at 25°C) influence their heating dynamics in evaporation sources.
Main Applications
The primary application of Antimony Evaporation Pellets lies in the deposition of antimony thin films for microelectronics and optoelectronics. In semiconductor manufacturing, they serve as dopant sources for silicon wafers to create n-type regions or as components in compound semiconductors like InSb for infrared detectors. The optical industry utilizes antimony films for infrared reflectors and as adhesion layers in multilayer coatings. Emerging applications include photovoltaic devices where antimony-containing films contribute to high-efficiency solar cells. Research laboratories also employ these pellets for fundamental studies on chalcogenide materials and topological insulators. The consistent quality of commercial evaporation pellets enables reproducible results across batch processes in industrial coating systems.
Safety and Storage
While metallic antimony poses lower toxicity compared to its compounds, proper handling precautions remain essential for Antimony Evaporation Pellets. Workers should use nitrile or neoprene gloves and safety glasses when handling the material to prevent skin contact and eye irritation. Processing areas require adequate ventilation or local exhaust systems to control any airborne particulates generated during loading operations. For long-term storage, manufacturers recommend keeping the pellets in their original vacuum-sealed containers under inert gas (argon or nitrogen). Secondary containment is advisable for bulk quantities. The storage area should maintain stable temperature and humidity conditions to prevent condensation and subsequent surface oxidation. Opened containers should be purged with inert gas before resealing to preserve material quality.
B2B Procurement Guide
Industrial buyers should specify several critical parameters when procuring Antimony Evaporation Pellets. Purity level (typically 4N or 5N) directly impacts film quality and should align with application requirements. Pellet size distribution affects loading efficiency in evaporation sources—common diameters range from 3-6mm. Packaging options (vacuum-sealed bags vs. jars) influence shelf life and handling convenience. Technical documentation should include certificates of analysis showing impurity profiles (particularly for heavy metals), lot traceability, and material safety data sheets. For high-volume users, establishing supplier agreements with guaranteed lead times and quality consistency becomes crucial. Sample testing for evaporation performance (deposition rate uniformity, particle emission) is recommended before large-scale purchases. Some suppliers offer custom pellet sizes or alloy compositions for specialized applications.
Related Manufacturers
- 主营：硼化铌、铜基粉、碳化钽、镀膜用锑粒、碳化钨、锰铁粉、催化剂、毛毡条、锂电池、锡铋粉、喷涂粉、硅铁块、解铌粉、氧化钨、铝青铜、合金粉、钼铁块、锗粉末、镍包铜、镍靶材、氧化锗、氧化锆、钴基粉、导热粉、细钒粉、纯银粉
- 主营：耐磨药芯焊丝、热喷涂焊丝、埋弧/明弧焊丝、耐磨堆焊焊条、不锈钢药芯焊丝、不锈钢气保焊丝、不锈钢氩弧焊丝、铝焊丝、铜焊丝、金属合金粉末
- 主营：纯铜粉、纯镍粉、纯铬粉、碳化钨、钒铁粉、紫铜粉、钛铁粉、金属钨、钨粉纯、石墨粉、黄铜粉、合金粉、钼铁粉、青铜粉、纯铅粉、球形镍粉、纳米铅粉、电解锡粉、导电镍粉、铬粉用户、激光熔覆、铜粉需要、纳米铜粉、超细钴粉、铜粉预定
- 主营：氧化锗、亚碲酸钠、镓铟锡合金、蒸发镀膜用锑粒、铟锡合金、氧化碲、氧化铋、氧化镓、氧化铟、液态合金、低熔合金、亚碲酸钾
- 主营：合金粉末、氧化系列、氮化粉末、碳化粉末、合金颗粒
- 主营：纯铜粉、白铜粉、合金粉、碳化钨粉、球形镍粉、不锈钢粉、高纯铋丸、雾化铋粉、碳化铬粉、超细铁粉、金属铬粉、粉末冶金零部件
- 主营：441工业硅、硅铁合金、电解镍、电解铜、铝锭、电解锰、高中低碳锰铁、3303金属硅、2202金属硅、1101金属硅、高低微碳铬铁、金属铬、锡锭、锡粒、锑锭、铬矿砂、金属锰、铅锭、铋锭、钼铁
- 主营：钴粉、镍粉、铬粉、钼粉、铜粉、铅粉、铌粉、硼粉、铟粉、锡粉、钴基合金粉、不锈钢合金粉、冶金 喷涂喷焊金属粉末、铁基合金粉、镍基合金粉
- 主营：高纯银颗粒、高纯铜颗粒、高纯铁颗粒、电子束镀膜、高纯钛颗粒、高纯钴颗粒、高纯铝颗粒、高熵合金、金颗粒、铂颗粒、高纯镍颗粒、铜靶、铝靶、钛靶、铬靶、铜合金、铝合金、铁合金(钢)、镍合金、钛合金、纽扣锭
- 主营：定香剂、氧化铅、浮选油、氧化铋、氟化铝、氟化镁、洗涤剂、异丙醇、漂粉精、漂白粉、白僵菌、乙酸钡、氟化钙、水杨酸、松醇油、碳酸钡、醋酸钡、95福美钠、苯丙乳液、三乙二醇、鱼虾养殖、单乙醇胺、三乙醇胺、氯偏乳液、快干水泥
- 主营：阻燃剂、氧化镁、氧化锌、碳酸镁、高纯纳米、氢氧化铝、涂料阻燃、橡胶陶瓷、白色粉末、金属粉末、重质高纯、专用葡萄糖、高纯氧化铌、专用硫酸镁、水硫酸亚铁、钛酸锶粉末、五氧化二铌、碳酸锶粉末、七水硫酸镁、纳米碳酸钙、催化剂载体、纳米氧化铝、纳米氧化锆、高纯度葡萄糖、纳米二氧化硅
- 主营：耐磨涂层、陶瓷喷涂、喷涂碳化钨、耐磨合金刀片、防腐纳米涂层
- 主营：fto靶材、钐靶材、硼化锆、硒靶材、铝靶材、钆靶材、铽靶材、氟化镁、钇靶材、钼靶材、铬靶材、镉靶材、钽靶材、硒化锌、氟化镱、砷化镓、硒化锑、碲化镉、镍靶材、钨靶材、铑靶材、铒靶材、铪靶材、锑靶材、碲粉末
- 主营：高纯铟粒、真空包装、微米级锗粉、太阳能电池、合金温控元件
- 主营：单质球形粉末、化合物粉末、金属粉末
- 主营：纳米钴粉、纳米钨粉、纳米铜粉、导电浆料、纳米镍粉、纳米银粉、高纯度球形铁粉、纳米线材、石墨烯粉末、纳米贵金属粉末、纳米硼粉、碳纳米角、碳纳米管、纳米304L粉末、纳米316L粉末
- 主营：锡粉、电镀材料、赣州白塔金属、锡酸钾、焦磷酸亚锡、锡酸钠、硫酸亚锡
- 主营：碳化钨、催化剂、金属铅、金属铋、铌铁粉、氧化钼、化铝粉、喷涂粉、钒铁块、合金粉、钼铁块、球型镍、齿轮齿、氧化锗、钨铬粉、钒铁粉、氧化锑、成型模、氧化铕、氧化铝、钨铁粉、纯钨粉、着色剂、碳化铬、氮化钒
- 主营：镍粉、铜粉、钼粉、钴粉、钨粉、锡粉、铅粉、镍基合金粉、钴基合金粉、铜基合金粉、喷涂合金粉末