Tantalum (V) oxide (Ta2O5 po'o le tantalum pentoxide) mama 99.99% Cas 1314-61-0
| Tantalum Pentoxide | |
| Upu tutusa: | Tantalum(V) oxide, Ditantalum pentoxide |
| Numera CAS | 1314-61-0 |
| Fua fa'akemikolo | Ta2O5 |
| Mamafa molar | 441.893 kalama/mol |
| Foliga vaaia | pauta pa'epa'e, leai se manogi |
| Mafiafia | β-Ta2O5 = 8.18 kalama/cm3, α-Ta2O5 = 8.37 kalama/cm3 |
| Tulaga e liusuavai ai | 1,872 °C (3,402 °F; 2,145 K) |
| Fa'asolo i le vai | e le taua tele |
| Fa'asoloatoa | e lē mafai ona solo i totonu o vaila'au fa'aola ma le tele o minerale acids, e tali atu i le HF |
| Va o fusi | 3.8–5.3 eV |
| Fa'aletonu fa'amagnetika (χ) | −32.0×10−6 cm3/mol |
| Fa'asinomaga o le fa'ata'ita'iga (nD) | 2.275 |
Fa'amatalaga Fa'akemikolo o le Tantalum Pentoxide Mama Maualuga
| Fa'ailoga | Ta2O5(%min) | Mat. Mai Fafo ≤ppm | LOI | Tele | ||||||||||||||||
| 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 |
Afifiina: I totonu o fagu u'amea ua fa'apipi'iina i palasitika fa'alua ua fa'amaufa'ailogaina i totonu.
O le ā le mea e fa'aaogā ai Tantalum Oxides ma Tantalum Pentoxides?
Vaega autu o talosaga
1. Mea fa'aoga eletise
1. Mea e fa'amamā ai le galu leo (SAW) i luga o le fogaeleele:
- O le mea autū e fa'aaogā mo le gaosia o tioata ta'itasi o le lithium tantalate (LiTaO₃), lea e fa'aaogā e gaosia ai faamama o leitio mo masini feso'ota'iga feavea'i
- Polokalama fa'apipi'i: telefonipoto/papa (lagolago i le fusi 5G), vaega GPS, mita atamai IoT
- Fa'amanuiaga o le fa'atinoga: mautu o le saoasaoa ±0.5ppm (-40℃ i le +85℃)
2. Mea e Muamua i le Semiconductor:
- Mea mata fa'apitoa o le Tantalum carbide (TaC): mo le ufiufiina o meafaigaluega e sili ona malosi (microhardness ≥ 2200 HV)
- Fa'amoemoega o le sputtering: DRAM capacitor dielectric layer deposition (dielectric constant εr = 25-30)
2. Tekonolosi Va'ai
1. Faiga fa'apitoa opitika maualuga:
- Fa'aleleia o le fa'asinomaga o le fa'ata'ita'iga: Fa'ateleina le fa'asinomaga o le fa'ata'ita'iga o le tioata opitika i le nd=1.75-2.20 (400-700nm)
- Ufiufi e mitiia maualalo: Sauniuniga o le ata tifaga e tete'e atu i le atagia (fa'asologa o le fa'aumatia k<0.001@550nm)
2. Fa'aoga fa'apitoa o le alava:
- Mea e fa'aopoopo i le Fiber Bragg Grating: Fa'aleleia le lagona o le vevela i le 15pm/°C
- Vaega opitika infrared: Fesiitaiga i le fusi ogatotonu-infrared 3-5μm > 92%
3. Fa'asologa o Mea Fa'a-Alamanuia ma Suiga
1. Fa'aolaola Fa'akemikolo:
- Olefin epoxidation catalyst: fua faatatau o le liua > 95% (fixed bed reactor)
- Photocatalyst mo le gaosiga o le hydrogen mai le vai (fa'atasi ai ma le CdS)
2. Suiga o meafaitino:
- Fa'aopoopoga u'amea e tete'e atu i le 'ele: Fa'aleleia le tete'e atu i le 'okesene o u'amea e fa'avae i le nickel i le 1100°C
- Vaega fa'amalosi seramika: Ua fa'ateleina le malosi o le gau o mea fa'apipi'i e fa'avae i le alumina i le 40%
| meatotino | Vaega o parakalafa | Tulaga fa'atonuina o suega |
| Vasega mama | Vasega eletise: 99.95%-99.999% | ICP-MS GB/T 26008 |
| Fausaga tioata | Vaega Orthorhombic/vaega amorphous (filifiliga) | XRD ISO 20203 |
| Fa'asalalauga o le tele o vaega | D50: 0.5-10μm (e mafai ona fa'apitoa le nanoscale) | SEM ISO 13322-1 |
| Meatotino Dielectric | Malosiaga o le fanua malepe>600kV/cm | IEC 60270 |
| Mausali o le vevela | Tulaga e liusuavai ai: 1872℃±10℃ | DSC ISO 1135 7 |
Puipuiga ma le Tausisia o Tulafono
Fa'avasegaga o Felauaiga: E LE O SE MEA LAMATIA (e le talafeagai le numera UN)
Mana'oga mo le teuina: siosiomaga mago i le vevela o le potu, 'alo'ese mai le fa'afeso'ota'i ma le 'aseta malosi
Fa'amaoniga o le siosiomaga:
- Usita'ia le RoHS 3.0 Directive (2015/863/EU)
- O vailaʻau e le o lisiina i lalo o le REACH SVHC
- Usita'ia o le Faiga Fa'avae o Minerale Fete'ena'iga (CMRT 6.0)
Puleaina o le Tulaga Lelei
1. Tulaga Fa'atonuina o Vasega:
- Vasega opitika: ISO 10110-7 vasega pito i luga A
- Vasega eletise: SEMI C8.1 pulea o le leaga o u'amea
2. Fa'amaoniga o le su'ega:
- Tu'uina atu le lipoti o le au'ili'iliga o elemene XRF mo vaega ta'itasi
- Iloa o le lautele o le BET (0.5-10m²/g e mafai ona fetu'una'i)
- Su'esu'ega o le Radionuclide (U/Th < 1 ppb)
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Tulaga fa'aoga masani
- O se kamupani gaosi oloa mo le faamama o le nofoaga autu 5G e faʻaaogaina le Ta₂O₅, e faʻaitiitia ai le gau o le faʻapipiʻiina i le 1.2dB (3.5GHz band)
- High-end camera lens manufacturers use optical-grade products to achieve a refractive index of nd=2.15@587.6nm
Mea e tatau ona matauina
• E tatau i le taulimaina o le pauta nano ona tausisia tulaga faatonuina o le puipuiga o le manava ISO 13137
• E fautuaina ipu korundumu mo galuega fa'asinitasi i le vevela maualuga
• E manaʻomia e ufiufi opitika ona pulea le fua faatatau o le faʻaputuina i lalo ifo o le 0.5nm/s
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O lenei faʻamatalaga e faʻavae i luga o uiga lautele o le tantalum pentoxide. O faʻamaumauga patino e noatia i le COA (lipoti o le inspeksi lelei).
E mafai ona tuʻuina atu ni fofo faʻapitoa faʻapitoa mo ni foliga faʻapitoa (nanopowders/sputtering targets/single crystal substrates).
