Hafnium Silicide, HfSi2

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Hafnium Silicide, HfSi2

Hafnium silicide ndi mtundu wa chitsulo chosinthira, chomwe ndi mtundu wa mawonekedwe osakanikirana. Chifukwa cha mawonekedwe ake apadera athupi ndi mankhwala, Hafnium silicide yakhala ikugwiritsidwa bwino ntchito m'magawo azida zama semiconductor azitsulo, zowonjezera zokutira m'mafilimu, ma module ambiri, ma electrothermal element, zida zamagetsi zamagetsi ndi zida za photovoltaic. Zipangizo za nano zimawonetsa zamagetsi, kuwala, maginito ndi ma thermoelectric, komanso zimakhala ndi phindu pakagwiritsidwe ka catalysis.


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Katundu wa hafnium disilicide
Hafnium silicide ndi mtundu wa chitsulo chosinthira, chomwe ndi mtundu wa mawonekedwe osakanikirana. Chifukwa cha mawonekedwe ake apadera athupi ndi mankhwala,

Hafnium silicide yakhala ikugwiritsidwa ntchito moyenera pazinthu zamagetsi zamagetsi zamagetsi, zowonjezera zokutira m'mafilimu, ma module ambiri, zinthu zamagetsi, zida zamagetsi zamagetsi ndi zida za photovoltaic.
Zipangizo za nano zimawonetsa zamagetsi, kuwala, maginito ndi ma thermoelectric, komanso zimakhala ndi phindu pakagwiritsidwe ka catalysis.
Makhalidwe a hafnium disilicide
Chogulitsidwacho chimakhala choyera kwambiri, tinthu tating'onoting'ono tating'onoting'ono, kufalitsa yunifolomu, malo akulu enieni komanso magwiridwe antchito apamwamba.

Zipangizo zadothi, kupanga zinthu zosiyanasiyana zotentha kwambiri komanso zida zogwirira ntchito.

Kugwiritsa ntchito Hafnium silicide pokonzekera zakuthupi
1. Kukonzekera kwa SiC - hfsi2 - TaSi2 anti ablation composite zokutira. Mpweya wa kaboni wolimbikitsidwa wa kaboni (C / C) ndi mtundu watsopano wazinthu zosagwira kutentha kwambiri zomwe zimapangidwa ndi mpweya wa kaboni monga cholimbikitsira ndi pyrolytic kaboni ngati masanjidwewo. Chifukwa champhamvu kwambiri yotentha kwambiri, kukana kugwedezeka kwamphamvu komanso kukangana kwabwino komanso kuvala, koyambirira kwa zaka za m'ma 1970, United States idachita kafukufuku pazinthu za C / C zopangira matenthedwe, zomwe zidapangitsa kuti mapangidwe a C / C apange kuchokera kutentha kwa zida zotetezera kutentha kuzinthu zopangira zotentha. Monga zida zopangira matenthedwe, zophatikizika za C / C zitha kugwiritsidwa ntchito popanga makina amafuta a gasi, kapu ya khutu la shuttle, kutsogolo kwa mapiko, ndi zina zotero. Zambiri mwa zinthuzi zimagwira ntchito pamalo otentha komanso okosijeni.
Komabe, zophatikiza za C / C ndizosavuta kuzisakaniza ndipo sizingagwiritsidwe ntchito mumlengalenga wa okosijeni pamwambapa 400℃. Izi zimafunikira chitetezo choyenera chotsutsana ndi makutidwe ndi okosijeni pazipangidwe za C / C, ndikukonzekera zokutira zotsutsana ndi makutidwe ndi okosijeni ndichimodzi mwazinthu zodzitetezera. Zotsatirazi zikuwonetsa kuti kukana kutsika kwa zophatikizira za C / C kumatha kupitiliranso patsogolo ngati Zr, HF, Ta, TiB2 ndi zitsulo zina zotsutsa ziziwonjezeredwa pamatoni a kaboni. Kuti mumvetsetse kukopa kwa HF ndi TA pazinthu zotsalira za C / C, SiC - hfsi2 - TaSi2 anti ablation zokutira zidakonzedwa ndikulowetsa. Ntchito yochotsera chovalacho idayezedwa ndi chida chochotsera oxyacetylene.
2. Kukonzekera kwa organic electroluminescent device. Zomwe zimaphatikizapo anode, wosanjikiza wowala, cathode ndi chivundikiro chophimbira chomwe chimaphatikizapo chopumira chowunikira ndi cathode pa anode, chivundikirocho chimakhala ndi silicon nitride wosanjikiza ndi chotchinga chopangidwa pamwamba pa silicon carbide wosanjikiza; zakutchinga zotchinga zimaphatikizapo silicide ndi oxide yachitsulo, ndipo silicide imasankhidwa kuchokera ku chromium silicide, tantalum disilicide, Hafnium silicide, titanium disilicide ndi disilicide The oxide yachitsulo imasankhidwa kuchokera ku magnesium oxide, aluminium oxide, titanium dioxide, zirconia, hafnium dioxide ndi tantalum pentoxide. Moyo wa makina opangira kuwala kwautali ndi wautali. Kupangidwaku kumaperekanso njira yokonzekera yamagetsi yamagetsi yamagetsi.

3.Kupanga kwa Si Ge aloyi kutengera gawo lamagetsi. The SiGe yochokera thermoelectric element imakhala ndi ma elekitirodi wosanjikiza, SiGe yochokera pamagetsi yamagetsi ndi zotchinga pakati pa ma elekitirodi ndi ma SiGe ofikira ma thermoelectric wosanjikiza. Chotchinga chotchinga ndi chisakanizo cha silicide ndi silicon nitride, ndipo silicide ndi imodzi mwa molybdenum silicide, tungsten silicide, cobalt silicide, nickel silicide, niobium silicide, zirconium silicide, tantalum silicide ndi Hafnium silicide. Mawonekedwe a silicon germanium alloy based thermoelectric zigawo ndizolumikizidwa bwino, palibe ming'alu ndi zoonekeratu zosakanikirana zomwe zimapezeka pa mawonekedwe, kulumikizana ndi kocheperako, dziko loyanjana ndikutentha ndilabwino, limatha kupirira kuyesa kwakanthawi kothamanga kwambiri . Kuphatikiza apo, njira yokonzekera ili ndi maubwino osavuta, kudalirika, mtengo wotsika, palibe zida zapadera komanso zoyenera kupanga zazikulu.

4. Mtundu wothira kutentha kwambiri wotsutsa komanso wotsutsana ndi makutidwe ndi okosijeni udakonzedwa. Kanema wophatikizidwayo amadziwika kuti chovalacho chimapangidwa ndi chitsulo chosungunula, carbide yopanga komanso ma intermetallic, ndipo makulidwe ake ndi 10 μ m ~ 50 μ M. Chitsulo chosanjikiza ndichimodzi kapena zingapo za molybdenum, tantalum, zirconium ndi hafnium; carbide wotsutsa wapangidwa ndi silicon carbide ndi imodzi kapena zingapo za tantalum carbide, zirconium carbide ndi hafnium carbide; pawiri intermetallic wapangidwa ndi chimodzi kapena zingapo za molybdenum silicide, tantalum silicide, zirconium silicide, Hafnium silicide, tantalum carbide, zirconium silicide ndi hafnium carbide; kapangidwe ka kristalo kokutira kamapangidwa ndi amorphous ndi / kapena polycrystalline nanoparticles.


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