
| Pentoxide nke Tantalum | |
| Okwu ndị yiri ya: | Tantalum(V) oxide, Ditantalum pentoxide |
| Nọmba CAS | 1314-61-0 |
| Usoro kemịkalụ | Ta2O5 |
| Oke mola | 441.893 g/mol |
| Ọdịdị | ntụ ntụ ọcha, enweghị isi |
| Njupụta | β-Ta2O5 = 8.18 g/cm3, α-Ta2O5 = 8.37 g/cm3 |
| Ebe agbaze | 1,872 °C (3,402 °F; 2,145 K) |
| Mmiri na-agbaze | enweghị isi |
| Mmiri na-agbaze | anaghị agbaze na ihe mgbaze organic na ọtụtụ asịd mineral, na-emeghachi omume na HF |
| Oghere eriri | 3.8–5.3 eV |
| Mmetụta magnetik (χ) | −32.0×10−6 cm3/mol |
| Ndekọ Refractive (nD) | 2.275 |
Nkọwapụta Kemịkalụ Tantalum Pentoxide dị Ọcha Dị Elu
| Akara ngosi | Ta2O5(% nkeji) | Mba Ọzọ Mat.≤ppm | LOI | Nha | ||||||||||||||||
| Nb | Fe | Si | Ti | Ni | Cr | Al | Mn | Cu | W | Mo | Pb | Sn | Al+Ka+Li | K | Na | F | ||||
| UMTO4N | 99.99 | 30 | 5 | 10 | 3 | 3 | 3 | 5 | 3 | 3 | 5 | 5 | 3 | 3 | - | 2 | 2 | 50 | 0.20% | 0.5-2µm |
| UMTO3N | 99.9 | 3 | 4 | 4 | 1 | 4 | 1 | 2 | 10 | 4 | 3 | 3 | 2 | 2 | 5 | - | - | 50 | 0.20% | 0.5-2µm |
Nkwakọba: Na drum ígwè nwere plastik okpukpu abụọ mechiri emechi n'ime.
Kedu ihe eji Tantalum Oxides na Tantalum Pentoxides eme?
Ebe ntinye ngwa bụ isi
1. Ihe eji arụ ọrụ eletrọniki
1. Ihe nzacha nke ebili mmiri (SAW) nke elu:
- Isi ihe eji emepụta otu kristal lithium tantalate (LiTaO₃), nke a na-eji emepụta nzacha redio ugboro ugboro maka ngwaọrụ nkwukọrịta mkpanaka
- Ngwa njedebe: ekwentị/mbadamba (nkwado band 5G), modulu GPS, mita smart IoT
- Uru arụmọrụ: nkwụsi ike ugboro ugboro ± 0.5ppm (-40℃ ruo + 85℃)
2. Ihe ndị na-ebute ụzọ na semiconductor:
- Ihe e ji emepụta Tantalum carbide (TaC): maka mkpuchi ngwaọrụ siri ike (microhardness ≥ 2200 HV)
- Ebumnuche Sputtering: DRAM capacitor dielectric layer deposition (dielectric constant εr = 25-30)
2. Teknụzụ Anya
1. Sistemụ anya dị elu:
- Ihe na-eme ka ihe ... ọ dị mma: Mee ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ọ dị mma dịkwuo elu ruo nd=1.75-2.20 (400-700nm)
- Mkpuchi mmiri dị ala: Nkwadebe nke ihe nkiri mgbochi ntụgharị uche (ihe na-ebelata mmịpụta k<0.001@550nm)
2. Ngwa eriri pụrụ iche:
- Ihe ndị na-eme ka eriri Bragg Grating dị mma: Me ka mmetụta okpomọkụ dịkwuo mma ruo 15pm/°C
- Akụkụ anya infrared: Nnyefe na eriri infrared etiti 3-5μm > 92%
3. Mmegharị na Mgbanwe nke Ụlọ Ọrụ Mmepụta Ihe
1. Ngụkọta kemịkalụ:
- Olefin epoxidation catalyst: ọnụego mgbanwe > 95% (ihe na-eme ka ihe dị n'ime ala sie ike)
- Onye na-eme fotokatalyst maka mmepụta hydrogen site na mmiri (ihe mejupụtara ya na CdS)
2. Mgbanwe ihe:
- Ihe mgbakwunye alloy na-eguzogide corrosion: Meziwanye iguzogide oxidation nke alloys dabere na nickel na 1100°C
- Usoro nkwado seramiiki: Ike mgbawa nke ihe mejupụtara alumina mụbara site na 40%
| ihe onwunwe | Oke paramita | Ụkpụrụ ule |
| Ọkwa ịdị ọcha | Ọkwa eletrọniki: 99.95%-99.999% | ICP-MS GB/T 26008 |
| Ọdịdị kristal | Usoro Orthorhombic/usoro amorphous (nhọrọ) | XRD ISO 20203 |
| Nkesa nha nke ihe ndị dị ndụ | D50: 0.5-10μm (enwere ike ịhazi nanoscale) | SEM ISO 13322-1 |
| Njirimara Dielectric | Ike ubi nkwụsịtụ> 600kV/cm | IEC 60270 |
| Nkwụsi ike nke okpomọkụ | Ebe agbaze agbaze: 1872℃±10℃ | DSC ISO 1135 7 |
Nchekwa na Nrubeisi
Nkewa Njem: Ọ BỤGHỊ IKE (nọmba UN anaghị emetụta)
Ihe achọrọ maka nchekwa: ebe akọrọ na okpomọkụ ụlọ, zere ịkpọtụrụ acid siri ike
Asambodo gburugburu ebe obibi:
- Na-agbaso iwu RoHS 3.0 (2015/863/EU)
- Ihe ndị a na-edeghị n'okpuru REACH SVHC
- Nrubeisi na Amụma Mineral Conflict (CMRT 6.0)
Njikwa Ogo
1. Ụkpụrụ ọkwa:
- Ọkwa anya: ISO 10110-7 ọkwa fringe A
- Ọkwa eletrọniki: njikwa adịghị ọcha ígwè SEMI C8.1
2. Nkwa nnwale:
- Nye akụkọ nyocha ihe XRF maka ogbe ọ bụla
- Nchọpụta mpaghara elu BET (0.5-10m²/g enwere ike ịgbanwe)
- Nnyocha redionuclide (U/Th < 1 ppb)
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Ihe ngwa nkịtị
- Onye na-emepụta nzacha ọdụ ntọala 5G na-eji Ta₂O₅ nke eletrọniki, na-ebelata mfu ntinye ruo 1.2dB (band 3.5GHz)
- High-end camera lens manufacturers use optical-grade products to achieve a refractive index of nd=2.15@587.6nm
Ihe ndị a ga-arịba ama
• Ijikwa ntụ ntụ Nano ga-agbaso ụkpụrụ nchekwa iku ume ISO 13137
• A na-atụ aro ka e jiri ihe ndị dị ka Corundum crucibles mee ihe maka iji ihe ndị dị n'ime mmiri ọkụ dị elu.
• Mkpuchi anya kwesịrị ijikwa ọnụego ntinye ihe na-erughị 0.5nm/s
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Nkọwa a dabere na njirimara izugbe nke tantalum pentoxide. Paịmenti ndị a kapịrị ọnụ dabere na COA (akụkọ nyocha mma).
Enwere ike inye ngwọta teknụzụ ahaziri ahazi maka ụdị pụrụ iche (nanopowders/sputtering targets/single crystal substrates).