Lutetium (III) Oxide
| Lutetium OxideCov Khoom |
| Cov lus sib xws | Lutetium oxide, Lutetium sesquioxide |
| CAS No. | 12032-20-1 |
| Cov mis tshuaj | Lu2O3 |
| Qhov hnyav ntawm cov molar | 397.932g/mol |
| Qhov kub yaj | 2,490°C(4,510°F;2,760K) |
| Kub taw tes | 3,980°C (7,200°F; 4,250K) |
| Kev yaj hauv lwm cov kuab tshuaj | Tsis yaj |
| Qhov sib txawv ntawm cov qhab | 5.5eV |
Kev Ntshiab SiabLutetium OxideCov Lus Qhia Tshwj Xeeb
| Qhov Loj ntawm Cov Khoom Me Me (D50) | 2.85 μm |
| Kev Huv Si (Lu2O3) | ≧ 99.999% |
| TREO(Tag Nrho Cov Av Tsis Tshua Muaj Oxides) | 99.55% |
| RE Cov Ntsiab Lus Tsis Muaj Peev Xwm | ppm | Cov Khoom Uas Tsis Yog REEs | ppm |
| La2O3 | <1 | Fe2O3 | 1.39 |
| CeO2 | <1 | SiO2 | 10.75 |
| Pr6O11 | <1 | CaO | 23.49 |
| Nd2O3 | <1 | PbO | Nd |
| Sm2O3 | <1 | CL¯ | 86.64 |
| Eu2O3 | <1 | LOI | 0.15% |
| Gd2O3 | <1 | ||
| Tb4O7 | <1 | ||
| Dy2O3 | <1 | ||
| Ho2O3 | <1 | ||
| Er2O3 | <1 | ||
| Tm2O3 | <1 | ||
| Yb2O3 | <1 | ||
| Y2O3 | <1 |
【Ntim】25KG/hnab Yuav tsum tau ua: tsis muaj dej noo, tsis muaj plua plav, qhuav, muaj cua nkag thiab huv.
Yog dab tsiLutetium Oxidesiv rau?
Cov siv lead ua laser thiab cov khoom siv matrix core rau cov lasers solid-state:
Cov ntawv thov tseem ceeb: Lu₂O₃ yog cov khoom siv tseem ceeb rau kev tsim cov laser crystals ua haujlwm siab xws li lutetium-doped yttrium aluminium garnet thiab lutetium-doped yttrium lithium fluoride. Cov crystals no feem ntau yog qhia ua Lu: YAG (Yttrium Aluminium Garnet) lossis Lu: YLF (Yttrium Lithium Fluoride).
Txoj kev ua haujlwm: Lutetium ions (Lu³⁺) lawv tus kheej feem ntau tsis siv ua cov ions nquag (laser emission centers). Txawm li cas los xij, ua ib feem ntawm lub matrix lattice, lawv tuaj yeem muab ib puag ncig lattice ruaj khov thiab compact heev. Thaum doped nrog lwm cov ions tsis tshua muaj (xws li Nd³⁺, Yb³⁺, Er³⁺, Tm³⁺, Ho³⁺), Lu₂O₃-based crystals qhia:
Kev ua tau zoo ntawm cov cua sov: Ua kom cov cua sov ploj mus zoo, ua rau muaj kev ua haujlwm laser muaj zog thiab txo cov teebmeem thermal lens.
Kev ruaj khov tshuaj lom neeg thiab kev kho tshuab siab: Xyuas kom muaj kev ntseeg siab mus sij hawm ntev ntawm cov lasers hauv cov chaw ib puag ncig hnyav.
Cov khoom siv zog phonon zoo heev: Cuam tshuam rau lub neej ntawm lub zog thiab quantum efficiency ntawm laser ions.
Daim Ntawv Thov: Cov lasers no siv dav hauv kev ua cov khoom siv hauv kev lag luam (txiav, vuam, cim), kev kho mob (phais qhov muag, kho tawv nqaij), kev tshawb fawb, lidar, thiab kev tshawb fawb txog kev sib xyaw ua ke.
Cov khoom siv av nplaum thiab iav tshwj xeeb:
Cov iav kho qhov muag uas muaj qhov ntsuas siab/qhov sib kis tsawg: Lu₂O₃ yog siv los ua cov iav kho qhov muag tshwj xeeb (xws li cov iav kho qhov muag lanthanide) nrog qhov ntsuas siab heev thiab cov yam ntxwv sib kis tsawg heev. Cov iav no yog qhov tseem ceeb rau kev kho qhov chromatic aberration hauv cov tshuab kho qhov muag siab heev (xws li lub hom phiaj microscope, cov iav koob yees duab siab heev, thiab cov tshuab lithography).
Cov khoom siv ua los ntawm cov av nplaum pob tshab: Lu₂O₃ nws tus kheej lossis ua ke nrog lwm cov oxides (xws li Y₂O₃) tuaj yeem siv los ua cov khoom siv ua los ntawm cov av nplaum polycrystalline pob tshab. Cov khoom siv ua los ntawm cov av nplaum no muaj qhov sib xws ntawm qhov muag thiab lub teeb ci zoo ib yam li cov siv lead ua ib leeg, tab sis loj dua, muaj zog dua, thiab tej zaum yuav pheej yig dua los npaj. Cov ntawv thov suav nrog cov khoom siv laser nce, cov qhov rai infrared, cov khoom siv foob pob hluav taws, thiab cov teeb pom kev zoo siab.
Cov khoom siv ntxiv rau cov khoom siv ceramic: Ib qho me me ntawm Lu₂O₃ tuaj yeem ntxiv ua ib qho kev pab cuam sintering lossis tus neeg sawv cev rau kev tsim kho ciam teb kom txhim kho cov khoom siv kho tshuab kub siab, tiv taus oxidation, thiab tiv taus creep ntawm lwm cov khoom siv ceramic siab heev (xws li silicon nitride thiab silicon carbide), thiab siv rau hauv cov bearings kub siab, cov cuab yeej txiav, thiab cov khoom siv cav turbine.
Scintillator thiab kev kuaj pom hluav taws xob:
Cov khoom siv tseem ceeb: Lu₂O₃ yog cov khoom siv tseem ceeb rau kev tsim cov khoom siv hluav taws xob thiab cov khoom siv ceramic uas muaj lutetium ua haujlwm siab. Cov neeg sawv cev tseem ceeb tshaj plaws yog:
Lutetium silicate: Lu₂SiO₅:Ce³⁺ thiab nws cov siv lead ua los ntawm cov khoom siv. Nrog qhov ceev siab (~ 7.4 g / cm³), tus lej atomic zoo, lub sijhawm lwj sai, thiab lub teeb tso zis siab, nws yog cov khoom siv ntes siab tshaj plaws hauv positron emission tomography.
Lutetium yttrium aluminate: (Lu, Y) )₃Al₅O₁₂:Ce³⁺ ceramics. Ua ke nrog cov txiaj ntsig ntawm lub teeb pom kev zoo, kev lwj sai, kev daws teeb meem zoo, thiab cov ceramics uas tuaj yeem ua rau loj thiab cov duab nyuaj, nws yog siv dav hauv kev thaij duab kho mob (PET / CT), kev sim physics siab zog, kev ruaj ntseg hauv tebchaws (kev ntsuas hnab nqa khoom / khoom thauj), thiab kev txiav cov roj av.
Cov Zoo: Tus lej atomic siab (71) ntawm lutetium ua rau cov khoom siv muaj peev xwm thaiv photon zog siab (X-ray, gamma ray) zoo heev, txhim kho kev tshawb pom zoo.
Cov khoom siv phosphors thiab luminescent:
Cov ntaub ntawv matrix: Lu₂O₃ siv tau ua ib qho matrix zoo rau cov ntaub ntawv luminescent uas muaj cov ion tsawg tsawg. Thaum doped nrog europium ions (Eu³⁺), nws tuaj yeem tso tawm cov xim liab ntshiab heev (lub ncov tseem ceeb ~ 611 nm) nrog rau qhov bandwidth emission nqaim thiab cov xim purity siab.
Daim Ntawv Thov: Feem ntau siv rau hauv cov thev naus laus zis siab heev (xws li cov ntxaij vab tshaus kho mob siab daws teeb meem X-ray duab intensification, qee hom kev tso tawm teb) thiab fluorescent probes (biomarkers, sensors). Nws cov tshuaj lom neeg zoo heev thiab thermal stability ua kom lub neej ntev ntawm phosphor.
Cov nyhuv catalytic:
Cov khoom siv catalyst: Lu₂O₃ ua haujlwm hauv ntau yam kev tshuaj tiv thaiv catalytic vim nws cov kua qaub Lewis:
Kev ua kom roj av zoo: Nws tuaj yeem siv ua tus cab kuj catalyst lossis cov khoom siv nquag (qee zaum siv ua ke nrog lwm cov hlau oxides) hauv cov txheej txheem xws li kev tawg (kev rhuav tshem cov roj hnyav rau hauv cov roj sib dua), alkylation (tsim cov khoom siv roj av siab-octane), thiab hydroprocessing (desulfurization, denitrogenation).
Cov tshuaj tiv thaiv polymerization: Hauv cov tshuaj tiv thaiv polymerization ntawm olefins (xws li ethylene thiab propylene), Lu₂O₃ lossis nws cov derivatives tuaj yeem siv ua cov khoom catalyst los cuam tshuam rau qhov hnyav molecular faib thiab microstructure ntawm polymer.
Kev hloov pauv methane: Nws qhia txog qhov tseem ceeb ntawm kev tshawb fawb hauv cov tshuaj tiv thaiv xws li methane oxidative coupling lossis reforming los tsim cov roj synthesis.
Kev kho cov pa tawm ntawm lub tsheb: Nws yog siv los ua cov khoom siv stabilizer lossis co-catalyst hauv peb txoj kev catalysts (txawm hais tias nws daim ntawv thov tsawg dua li ntawm cerium, zirconium, thiab lwm yam).
Mechanism: Nws cov catalytic kev ua feem ntau yog los ntawm qhov adsorption thiab activation muaj peev xwm ntawm cov pa oxygen saum npoo av thiab cov chaw Lu³⁺ ion uas raug rau ntawm cov reactant molecules.
Lwm cov kev siv niaj hnub no:
Kev lag luam nuclear: Lub isotope Lu-176 (muaj ntau yam ntuj tsim txog li 2.6%) muaj qhov loj ntawm thermal neutron capture cross section thiab tuaj yeem hloov mus ua cov isotope radioactive Lu-177 uas muaj nqis rau kev kho mob (rau kev kho mob radiotherapy) tom qab neutron irradiation. Lu₂O₃ yog cov khoom pib rau kev ntxuav Lu-176 lossis npaj Lu-177 radiopharmaceuticals. High-purity Lu₂O₃ kuj tseem siv tau rau hauv kev tshawb fawb ntawm cov ntaub ntawv neutron-absorbing lossis nuclear control rods.
Cov ntaub ntawv hluav taws xob: Ua ib yam khoom tshawb fawb ntawm cov ntaub ntawv dielectric siab-κ rooj vag (siv los hloov silicon dioxide hauv cov chips silicon), lossis rau kev tshawb fawb ntawm cov ntaub ntawv ferroelectric thiab multiferroic.
Cov ntaub ntawv txheej: Siv los npaj cov txheej tiv thaiv uas tiv taus qhov kub siab, xeb, lossis muaj cov khoom siv kho qhov muag tshwj xeeb (xws li rau cov cav dav hlau lossis cov khoom siv kho qhov muag satellite).
Kev sim physics: Siv ua cov khoom siv Cherenkov radiator hauv kev sim physics particle.
Kev Txheeb Xyuas:
Lutetium oxide (Lu₂O₃) tsis yog ib yam khoom siv raw li qub. Nws yog ib yam khoom siv tseem ceeb uas txhawb nqa cov thev naus laus zis niaj hnub no. Nws lub ntsiab lus tseem ceeb yog:
Ua ib yam khoom siv matrix theem siab tshaj plaws rau cov siv lead ua laser ua haujlwm siab (xws li Lu: YAG, Lu: YLF), nws ua rau muaj cov lasers solid-state uas muaj zog thiab ruaj khov.
Ua lub hauv paus tseem ceeb ntawm tiam tom ntej ntawm cov ntaub ntawv scintillator (LSO, LYSO, LuAG: Ce), nws tsav tsheb tsim kho tshiab ntawm kev thaij duab kho mob (PET/CT) thiab thev naus laus zis kuaj pom hluav taws xob.
Nws muab cov iav tshwj xeeb thiab cov khoom siv ceramic pob tshab zoo heev (kev cuam tshuam siab, kev sib kis tsawg, thiab ntau yam kev sib kis lub teeb).
Ua ib lub phosphor matrix ua haujlwm siab (Lu₂O₃: Eu³⁺), nws muab cov teeb liab ntshiab siab.
Nws ua rau pom muaj peev xwm ua kom muaj kev ua haujlwm tshwj xeeb hauv kev ua haujlwm sib txawv.
Tag nrho cov ntawv thov no vam khom rau qhov siab purity ntawm Lu₂O₃ (feem ntau xav tau 4N / 99.99% lossis txawm tias 5N / 99.999% lossis ntau dua), qhov sib piv stoichiometric meej, thiab daim ntawv tshwj xeeb (xws li ultrafine hmoov, nanoparticles). Qhov tob thiab dav ntawm nws daim ntawv thov hauv cov teb high-tech tseem nthuav dav, tshwj xeeb tshaj yog nyob rau hauv cov teb ntawm laser technology, kev kho mob imaging, thiab nuclear tshuaj, qhov twg nws muaj qhov chaw tsis tuaj yeem hloov pauv.