Okside ea Lutetium (III)

Bohloeki bo PhahamengLutetium oxideTlhaloso

【Sephutheloana】Litlhoko tsa 25KG/mokotla: ha e na mongobo, ha e na lerole, e omme, e kenya moea o kenang le o hloekileng.

Ke engLutetium oxidee sebedisetswang?

Likristale tsa laser le thepa ea mantlha ea matrix bakeng sa li-laser tsa boemo bo tiileng:

Ditshebediso tsa mantlha: Lu₂O₃ ke thepa ya bohlokwa ya ho qala bakeng sa ho etsa dikristale tsa laser tse sebetsang hantle tse kang lutetium-doped yttrium aluminium garnet le lutetium-doped yttrium lithium fluoride. Dikristale tsena hangata di hlahiswa e le Lu: YAG (Yttrium Aluminium Garnet) kapa Lu: YLF (Yttrium Lithium Fluoride).
Mokhoa oa ts'ebetso: Li-ion tsa Lutetium (Lu³⁺) ka botsona hangata ha li sebelisoe e le li-ion tse sebetsang (litsi tsa ho ntša mahlaseli ka laser). Leha ho le joalo, joalo ka karolo ea lattice ea matrix, li ka fana ka tikoloho e tsitsitseng haholo le e kopaneng ea lattice. Ha li kopantsoe le li-ion tse ling tse sa tloaelehang tsa lefats'e (tse kang Nd³⁺, Yb³⁺, Er³⁺, Tm³⁺, Ho³⁺), likristale tse thehiloeng ho Lu₂O₃ li bontša:
Ho tsamaisa mocheso ka matla: E qhala mocheso ka katleho, e lumella ts'ebetso ea laser e matla haholo le ho fokotsa litlamorao tsa lense ea mocheso.
Botsitso bo phahameng ba lik'hemik'hale le mechine: Netefatsa botšepehi ba nako e telele ba lasers libakeng tse thata.
Thepa e ntle ea matla a phonon: E ama bophelo ba nako ea matla le katleho ea quantum ea li-ion tsa laser.
Ditshebediso: Di-laser tsena di sebediswa haholo tshebetsong ya thepa ya indasteri (ho seha, ho tjheseletsa, ho tshwaya), bongaka (opereishene ya mahlo, kalafo ya letlalo), dipatlisiso tsa mahlale, di-lidar, le dipatlisiso tsa ho kopanya di-inertial confinement.

Liserami tse khethehileng le khalase:

Khalase ea optical e nang le index e phahameng ea refractive/low dispersion: Lu₂O₃ e sebelisetsoa ho etsa khalase e khethehileng ea optical (joalo ka khalase ea optical ea lanthanide) e nang le index e phahameng haholo ea refractive le litšobotsi tse tlase haholo tsa dispersion. Khalase ena e bohlokoa bakeng sa ho lokisa ho se lumellane ha chromatic litsamaisong tse tsoetseng pele tsa optical (joalo ka lipheo tsa microscope, lilense tsa khamera tsa maemo a holimo, le lithography).
Diserami tse bonaletsang: Lu₂O₃ ka boeona kapa ha e kopantsoe le di-oxide tse ding (tse kang Y₂O₃) di ka sebediswa ho etsa diserami tse bonaletsang tsa polycrystalline. Diserami tsena di na le ho tshwana ha optical le phetiso ya lesedi e tshwanang le dikristale tse le nngwe, empa di kgolo ka boholo, di na le matla a mangata a mechini, mme di ka ba theko e tlase ho di lokisa. Ditshebediso di kenyeletsa mecha ya kgaello ya laser, difensetere tsa infrared, di-missile fairing, le mabone a mabone a matla a hodimo.
Ditlatsetso tsa ceramic tsa sebopeho: Bongata bo bonyenyane ba Lu₂O₃ bo ka eketsoa e le thuso ya ho sintering kapa moemedi wa boenjiniere ba moedi wa dijo-thollo ho ntlafatsa thepa ya mechini ya mocheso o phahameng, kganyetso ya oxidation, le kganyetso ya ho thekesela ha ceramic tse ding tse tswetseng pele (jwalo ka silicon nitride le silicon carbide), mme e sebediswa ho di-bearing tsa mocheso o phahameng, disebedisweng tsa ho seha, le dikarolong tsa enjene ya turbine.

Ho lemoha mahlaseli a scintillator le a radiation:

Lisebelisoa tsa mantlha tse tala: Lu₂O₃ ke thepa e tala ea bohlokoa bakeng sa ho kopanya likristale tse le 'ngoe tsa scintillator tse thehiloeng ho lutetium tse sebetsang hantle le liseramike. Baemeli ba bohlokoa ka ho fetisisa ke:

Lutetium silicate: Lu₂SiO₅:Ce³⁺ le likristale tsa eona tse nkiloeng. Ka bongata bo phahameng (~7.4 g/cm³), palo e phahameng ea athomo e sebetsang hantle, nako ea ho bola ka potlako, le tlhahiso e phahameng ea leseli, ke thepa e tsoetseng pele ka ho fetisisa ea ho lemoha ho positron emission tomography.
Lutetium yttrium aluminate: (Lu, Y) )₃Al₅O₁₂:Ce³⁺ liseramike. Ha e kopanya melemo ea tlhahiso e phahameng ea leseli, ho bola kapele, qeto e ntle ea matla, le liseramike tse ka etsoang ka boholo bo boholo le libopeho tse rarahaneng, e sebelisoa haholo litšoantšong tsa bongaka (PET/CT), litekong tsa fisiks tse nang le matla a mangata, ts'ireletso ea lehae (ho hlahloba meroalo/mejaro), le ho rema liliba tsa oli.
Melemo: Palo e phahameng ea athomo (71) ea lutetium e fa thepa bokhoni bo botle ba ho thibela photon ea matla a phahameng (X-ray, gamma ray), e ntlafatsang katleho ea ho lemoha.

Li-phosphorus le thepa e khanyang:
Lisebelisoa tsa Matrix: Lu₂O₃ e ka sebelisoa e le matrix e sebetsang hantle bakeng sa lisebelisoa tse khanyang tse sebelisoang ke li-ion tse sa tloaelehang. Ha e tšeloa ka li-ion tsa europium (Eu³⁺), e ka ntša khanya e khubelu e hloekileng haholo (tlhōrō e kholo ~611 nm) ka bandwidth e moqotetsane ea ho ntša metsi le bohloeki bo phahameng ba 'mala.
Ditshebediso: E sebediswa haholo-holo theknolojing ya pontsho ya maemo a hodimo (jwalo ka di-screen tsa X-ray tsa bongaka tse nang le qeto e hodimo, mefuta e itseng ya dipontsho tsa ho ntsha mosi wa tshimo) le di-probe tsa fluorescent (di-biomarker, di-sensor). Botsitso ba yona bo botle ba dikhemikhale le mocheso bo netefatsa bophelo bo bolelele ba phosphor.

Phello ea Catalytic:
Karolo ea Catalyst: Lu₂O₃ e sebetsa liketsong tse fapaneng tsa catalytic ka lebaka la asiti ea eona ea Lewis:
Ho hlwekisa peterole: E ka sebediswa e le catalyst carrier kapa karolo e sebetsang (ka nako e nngwe e sebediswa mmoho le di-oxide tse ding tsa tshepe) ditshebetsong tse kang ho petsoha (ho bolla oli e boima hore e be mafura a bobebe), alkylation (ho hlahisa dikarolo tsa peterole tse nang le octane e ngata), le hydroprocessing (desulfurization, denitrogenation).
Karabelo ea polymerization: Karabelong ea polymerization ea li-olefin (tse kang ethylene le propylene), Lu₂O₃ kapa li-derivatives tsa eona li ka sebelisoa e le likarolo tsa catalyst ho ama kabo ea boima ba limolek'hule le sebopeho se senyenyane sa polymer.

Phetoho ea methane: E bontša bohlokoa ba lipatlisiso liketsong tse kang ho kopanya methane oxidative kapa ho fetola ho hlahisa khase ea synthesis.
Kalafo ea mosi oa koloi: E sebelisoa e le motsoako o tsitsitseng kapa motsoako o kopanetsoeng oa li-catalyst ka har'a li-catalyst tsa litsela tse tharo (le hoja ts'ebeliso ea eona e le tlase ho feta ea cerium, zirconium, jj.).
Mokhoa: Mosebetsi oa eona oa ho kopanya lintho o tsoa haholo-holo bokhoning ba ho monya le ho kenya tšebetsong ha libaka tse se nang oksijene tse holim'a metsi le libaka tsa Lu³⁺ ion tse pepesitsoeng limolek'huleng tsa reactant.

Lisebelisoa tse ling tse tsoetseng pele:
Indasteri ea Nyutlelie: Isotope Lu-176 (bongata ba tlhaho ba hoo e ka bang 2.6%) e na le karolo e kholo ea ho hapa ha neutron ea mocheso 'me e ka fetoloa hore e be isotope ea mahlaseli a kotsi ea bohlokoa ka bongaka Lu-177 (bakeng sa kalafo ea mahlaseli a kotsi) kamora ho bonesoa ha neutron. Lu₂O₃ ke thepa ea ho qala bakeng sa ho hloekisa Lu-176 kapa ho lokisa meriana ea mahlaseli a kotsi ea Lu-177. Lu₂O₃ e hloekileng haholo e ka boela ea sebelisoa lipatlisisong tsa thepa e monyang neutron kapa lithupa tsa taolo ea nyutlelie.
Lisebelisoa tsa elektroniki: E le ntho ea lipatlisiso ea thepa ea dielectric ea heke e phahameng ea κ (e sebelisetsoang ho nkela silicon dioxide sebaka ka har'a li-chips tse thehiloeng ho silicon), kapa bakeng sa lipatlisiso tsa thepa ea ferroelectric le ea multiferroic.
Lisebelisoa tsa ho koahela: Li sebelisetsoa ho lokisa lintho tse sireletsang tse hanelang mocheso o phahameng, mafome, kapa tse nang le thepa e khethehileng ea optical (joalo ka lienjine tsa lifofane kapa likarolo tsa optical tsa satellite).
Fisiks ea liteko: E sebelisoa e le thepa ea radiator ea Cherenkov litekong tsa fisiks ea likaroloana.

Kakaretso:

Lutetium oxide (Lu₂O₃) ha se thepa e tloaelehileng e tala. Ke thepa ea bohlokoa ea maano e tšehetsang theknoloji ea sejoale-joale. Boleng ba eona ba mantlha bo ho:

Jwalo ka thepa ya matrix ya boemo bo hodimo bakeng sa dikristale tsa laser tse sebetsang hantle (tse kang Lu: YAG, Lu: YLF), e nolofalletsa di-laser tse matla a hodimo le tse nang le botsitso bo hodimo.
Jwalo ka motheo wa moloko o latelang wa thepa ya scintillator (LSO, LYSO, LuAG: Ce), e kganna boqapi ba ditshwantsho tsa bongaka (PET/CT) le theknoloji ya ho lemoha mahlaseli.
E fana ka khalase e khethehileng ea mahlo le liseramike tse bonaletsang tse nang le thepa e ntle ea mahlo (ho hanyetsa ho hoholo, ho hasana ho tlase, sebaka se seholo sa phetisetso ea leseli).
Jwalo ka matrix ya phosphor e sebetsang hantle haholo (Lu₂O₃:Eu³⁺), e fana ka kgaso ya lesedi le lefubedu le hlwekileng haholo.
E bonts'a bokhoni bo ikhethang ba ho kenya tšebetsong karabelo ho catalysis e sa tšoaneng.
Ditshebediso tsena kaofela di itshetlehile hodima bohloeki bo phahameng ba Lu₂O₃ (hangata bo hlokang 4N/99.99% kapa esita le 5N/99.999% kapa ho feta), karolelano e nepahetseng ya stoichiometric, le sebopeho se ikgethang sa mmele (jwalo ka phofo e ntle haholo, nanoparticles). Botebo le bophara ba tshebediso ya yona masimong a theknoloji e hodimo di ntse di atoloha, haholoholo masimong a theknoloji ya laser, ditshwantsho tsa bongaka, le meriana ya nyutlelie, moo e nang le boemo bo ke keng ba nkeloa sebaka.