Khoom Description
Hafnium Oxide (HfO2) pellets yog cov khoom siv feem ntau ntawm hafnium thiab oxygen. Cov pellets no feem ntau siv nyob rau hauv ntau yam kev siv high-tech vim lawv cov khoom tshwj xeeb.
Hafnium (IV) oxide yog inorganic compound nrog cov mis HfO2.
Kuj tseem hu ua hafnium dioxide lossis hafnia, cov khoom tsis muaj xim no yog ib qho ntawm feem ntau thiab ruaj khov tebchaw ntawm hafnium. Nws yog ib qho hluav taws xob insulator nrog qhov sib txawv ntawm 5.3 ~ 5.7 eV.
Hafnium (IV) oxide yog inert heev. Nws reacts nrog muaj zog acids xws li concentrated sulfuric acid thiab nrog cov hauv paus muaj zog. Nws yaj maj mam hauv cov kua qaub kom muab fluorohafnate anions. Thaum kub siab, nws hnov mob nrog chlorine nyob rau hauv muaj graphite los yog carbon tetrachloride muab hafnium tetrachloride.
Daim ntawv thov
Electronics: Siv los ua cov khoom siv high-k dielectric hauv cov khoom siv semiconductor vim nws qhov siab dielectric tas li thiab thermal stability.
Optics: Siv nyob rau hauv optical coatings rau nws pob tshab nyob rau hauv lub pom thiab ze-infrared ntau yam thiab nws siab refractive index.
Kev lag luam Nuclear: Ua raws li cov khoom siv hluav taws xob vim nws qhov siab nruab nrab nruab nrab nqus ntu ntu, ua kom muaj txiaj ntsig zoo hauv kev tswj cov pas nrig rau nuclear reactors.
Ceramics: Ua hauj lwm hauv cov ceramics siab heev rau nws lub zog txhua yam thiab thermal stability.
Specification
|
Khoom npe |
Hafnium Oxide Granules |
|
Tshuaj Formula |
HfO2 |
|
Purity (%) |
99.9, 99.99 |
|
evaporation kub (degree) |
2812 |
|
Refractive Index (550nm) |
1.9-2.07 |
|
Transparency ntau yam (nm) |
230-8000 |
|
Qhov ceev (g / cm3) |
9.68 |
|
Muaj Cov Duab |
Granules, ntsiav tshuaj |
|
Daim ntawv thov |
AR txheej, tawv txheej |
Cim npe nrov: Hafnium Oxide (hfo2) granules, Tuam Tshoj hafnium oxide (hfo2) granules lwm tus neeg, Hoobkas


