Spectroscopic Analysis Hafnium Oxide Powder Cas 12055-23-1 2812ºC Melting Point

 

Molecular Weight 210.4888

InChI 1/Hf.2O/rHfO2/c2-1-3

EINECS 235-013-2

Physical Data

Appearance:  White Powder

Density 9.68 g/mL at 25 ºC(lit.)

Melting Point 2812ºC

UPAC Name: dioxohafnium
The proportion of element content: O (oxygen) 15.2%, Hf (hafnium) 84.8%
Two hafnium oxide molecular structure
Density: 9.68g/cm3
Melting point: 2758 degrees centigrade
Mole mass: 210.49 g/mol
CAS: 12055-23-1
Evaporation pressure: at 2678 centigrade, 1Pa; at 2875 C, 10Pa
Coefficient of linear expansion: 5.6 x 10-6/K
Solubility: insoluble in water
Purity: 99.99
Film characteristics: light transmittance range to 220 ~ 12000Nm; refractive index (250nm) ~ 2.15 (500nm) ~ 2
Evaporation conditions: using an electron gun, oxygen partial pressure to 1~2 * 10-2Pa. The evaporation temperature is 2600~2800, the substrate temperature is 250, and the evaporation rate is 2nm/s
Application field: UV antireflection film, interference membrane

HfO2+Zr(%,Min)			99.9% min			conform
RE Impurities(%,Max)
Fe			0.0002			conform
Al			0.0001			conform
Si			0.002			conform
Ti			0.01			conform
B			0.0025			conform
Pb			0.001			conform
Cd			0.0001			conform
Cu			0.002			conform
Cr			0.005			conform
Mg			0.001			conform
Mo			0.001			conform
Mn			0.001			conform
Ni			0.0015			conform
Sn			0.002			conform
V			0.001			conform
L.O.I(1100℃)			1			conform
Other Index
Particle size (mm)			0.1-3			conform