{"id":8127,"productCode":"SPTA2O5200D6T5N","chemicalCode":"Ta2O5","name":"Tantalum Pentoxide","customName":null,"otherNames":"","formula":"Ta2O5","purity":99.999,"form":"SP","size":"200 mm dia x 6.35 mm th.","composition":"","description":"","productionMethod":"HP","bulkAvailable":null,"productionStatus":"Stock","hazmat":null,"status":null,"repackage":false,"priceBase":"3920.00","quantityBase":"pcs","bulkAvailability":true,"inProduction":"","factoryCode":"752","publicComments":"RD~85%","privateComments":"Lot No: 752-020119\r\nQty:1\r\nDK\r\n","chemicalCodeLetters":null,"image":null,"sizeData":"{\"formSize\":\"45\",\"size_form\":[{\"input_value\":\"200\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}},{\"text\":\"dia x\"},{\"input_value\":\"6.35\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}},{\"text\":\"th.\"}]}","isLocked":true,"isSearchable":true,"storedLocation":null,"chemicalId":1095,"old_chem_id":null,"createdAt":"2017-06-05T20:37:49.000Z","updatedAt":"2023-08-08T16:46:52.000Z","deleted":false,"deletedAt":null,"userChangedById":null,"hts":null,"Chemical":{"id":1095,"formula":"Ta2O5","productLetters":"TA2O5","name":"Tantalum Pentoxide","otherNames":"Available in reduced Ta2O5, TaO, TaOx, Ta2O3 and white Ta2O5 white pellets","cas":"1314-61-0","einecs":"215-238-2","hazmat":"","data":"","applications":[{"title":"Sputtering","description":"Tantalum pentoxide is used as a sputtering target material to create high-refractive-index thin films for interference filters and anti-reflective coatings."},{"title":"Optical coating","description":"Utilized in multilayer optical coatings due to its high refractive index, low absorption, and wide transparency range from near-UV to IR."},{"title":"Evaporation materials","description":"Used as a source material in physical vapor deposition processes to produce dielectric layers for capacitors and optical components."},{"title":"Semiconductors","description":"Applied as a high-k dielectric material in the fabrication of dynamic random-access memory (DRAM) capacitors and gate insulators."}],"publicComments":"<p style=\"text-align:justify;\"><span class=\"text-small\">Tantalum pentoxide is a high-performance functional ceramic widely used in electronic, optical, and protective coating applications. Owing to its high dielectric constant, Ta<sub>2</sub>O<sub>5</sub> is extensively employed as a capacitor material in dynamic random access memory (DRAM) and low inductance decoupling capacitors, as well as gate insulator in thin-film and MOSFETs. In optical systems, its high refractive index, wide band gap, and low optical absorption enable its use in antireflective coatings for solar cells and imaging devices, optical waveguides, birefringent layers, and multilayer interference filters. Additionally, the excellent chemical stability of tantalum oxide makes it suitable for corrosion-resistant protective coatings and for use in thin-film wear sensors and chemical and biological sensing platforms.</span><a href=\"#1\"><span class=\"text-tiny\" style=\"color:#999999;\"><sup>1</sup></span></a></p>","privateComments":"Tantalum pentoxide (Ta2O5) is a compound with various industrial and technological applications. It is used in the manufacture of tantalum capacitors, optical coatings, gas sensors, piezoelectric devices, and solar cells. Tantalum pentoxide has a high chemical stability, sensitivity to gases, and a high refractive index, making it a valuable material for use in electronics, optics, renewable energy, and other fields.","specialNotes":"","specialNotesProduct":false,"sds":"public/sds/SDS of Ta2O5.pdf","smiles":"","inchi":"","inchiKey":"","molecularWeight":"","iupac":"","eccn":"","hts":"","atomicNumber":null,"atomicWeight":"441.89 g/mol","meltingPoint":"1872 °C","boilingPoint":null,"density":"8.2 g/cm³","crystalStructure":"Orthorhombic","colorAppearance":"White powder or colorless crystals","thermalConductivity":"33 W/(m·K)","electricalResistivity":"10^12 - 10^15 Ω·cm","coefficientOfExpansion":"3.6 x 10^-6 /°C","electronegativity":null,"neutronCrossSection":null,"electronConfiguration":null,"createdAt":"2024-03-26T17:42:55.000Z","updatedAt":"2026-04-28T21:34:50.200Z","deleted":false,"deletedAt":null,"userChangedById":19,"customContent":"","displayFormula":"","bottomText":"<p id=\"1\"><span class=\"text-tiny\" style=\"color:#999999;\">References:</span></p><ol style=\"direction:ltr;font-family:Calibri;font-size:10.0pt;font-weight:normal;margin-bottom:0in;margin-top:0in;unicode-bidi:embed;\" type=\"1\"><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\" value=\"1\"><span class=\"text-tiny\" style=\"color:#999999;\"><i><span style=\"font-family:Calibri;font-size:11.0pt;font-style:normal;font-weight:normal;\">Boughaba, S., Sproule, G. I., McCaffrey, J. P., Islam, M., &amp; Graham, M. J. (2000).&nbsp;</span><span style=\"font-family:Calibri;font-size:11.0pt;font-weight:normal;\">Synthesis of tantalum pentoxide films by pulsed laser deposition: Material characterization and scale-up</span><span style=\"font-family:Calibri;font-size:11.0pt;font-style:normal;font-weight:normal;\">.&nbsp;</span><span style=\"font-family:Calibri;font-size:11.0pt;font-style:normal;\"><strong>Thin Solid Films, 358</strong></span><span style=\"font-family:Calibri;font-size:11.0pt;font-style:normal;font-weight:normal;\">, 104–113.</span></i></span></li></ol>","isAiData":true,"isHazmatAsPowder":false,"hazmatAsPowder":"","tags":[{"id":17,"name":"Infrared Optical Materials","link":"optics_ir_chemical","type":"chemical"},{"id":20,"name":"Optics-UV","link":"optics_uv_chemical","type":"chemical"},{"id":58,"name":"Semiconductor","link":"semiconductor_chemical","type":"chemical"},{"id":150,"name":"Oxide","link":"oxide_chemical","type":"chemical"},{"id":296,"name":"Specialty Inorganics","link":"specialty_inorganics_chemical","type":"chemical"},{"id":308,"name":"3D Printing","link":"3d_printing_chemical","type":"chemical"},{"id":420,"name":"Evaporation Deposition Materials ","link":"evaporationdepositionmaterials_chemicals","type":"chemical"},{"id":421,"name":"Optical Coating Materials","link":"opticalcoatingmaterials_chemicals","type":"chemical"}]},"userChangedBy":null,"ProductPrice":[{"id":198325,"productId":8127,"price":3920,"quantity":1,"um":"pcs","locked":false,"isShow":true,"createdAt":"2023-08-08T16:46:52.000Z","updatedAt":"2023-08-08T16:46:52.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":198326,"productId":8127,"price":7134.4,"quantity":2,"um":"pcs","locked":false,"isShow":true,"createdAt":"2023-08-08T16:46:52.000Z","updatedAt":"2023-08-08T16:46:52.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":198327,"productId":8127,"price":17052,"quantity":5,"um":"pcs","locked":false,"isShow":true,"createdAt":"2023-08-08T16:46:52.000Z","updatedAt":"2023-08-08T16:46:52.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null}],"Vendor":[],"tags":[],"favorites":[]}