Europium hlau
Cov ntaub ntawv luv luv ntawmEuropium hlau
Formula: Eu
CAS Nr .: 7440-53-1
Molecular Luj: 151.97
Qhov ceev: 9.066 g / cm³
Melting point: 1497 ° C
Cov tsos mob: Silvery grey pob khoom
Kev ruaj ntseg: yooj yim heev rau oxidized hauv huab cua, khaws cia hauv argon roj
Ductibility: Tsis zoo
Ntau hom lus: EuropiumMetall, Hlau De Europium, Hlau Del Europio
Daim ntawv thov:
Europium Hlau, yog cov khoom tseem ceeb heev hauv kev tswj cov pas nrig rau nuclear reactors vim tias nws tuaj yeem nqus tau ntau dua neutrons dua li lwm cov khoom.Nws yog ib qho dopant hauv qee hom iav hauv lasers thiab lwm yam khoom siv optoelectronic.Europium kuj tseem siv rau hauv kev tsim cov iav fluorescent.Daim ntawv thov tsis ntev los no (2015) ntawm Europium yog nyob rau hauv quantum nco chips uas tuaj yeem ntseeg tau khaws cov ntaub ntawv rau hnub ntawm ib lub sijhawm;cov no tuaj yeem tso cai rau quantum cov ntaub ntawv khaws cia rau lub hard disk zoo li cov khoom siv thiab xa mus thoob lub tebchaws.
Specification
| Eu/TREM (% min.) | 99.99 ib | 99.99 ib | 99.9 ua |
| TREM (% min.) | 99.9 ua | 99.5 ua | 99 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. |
| La/TREM Ce/TREM Pr/TREM Nd/TREM Sm/TREM Gd/TREM Tb/TREM Dy/TREM Y/TREM | 30 30 30 30 30 30 30 30 30 | 50 50 50 50 50 50 50 50 50 | 0.05 Nws 0.01 ib 0.01 ib 0.01 ib 0.03 ib 0.03 ib 0.03 ib 0.03 ib 0.01 ib |
| Tsis-Re Earth Impurities | ppm max. | ppm max. | % max. |
| Fe Si Ca Al Mg Mn W Ta O | 50 50 50 30 30 50 50 50 200 | 100 100 100 50 50 100 50 50 300 | 0.015 ib 0.05 Nws 0.01 ib 0.01 ib 0.01 ib 0.03 ib 0.01 ib 0.01 ib 0.05 Nws |
Qhov peb tuaj yeem muab tau:
