6.777J/2.751J Material Property Database

 

Material:  PECVD Silicon Dioxide

 

Property

Value

Reference

Image/URL (optional)

 

Mass density

2.3 (g/cm^3)

Film Characteristics of Low-Temperature PECVD SiO2 using tetraisocyanatesilane and O2; Idris et al; Japanese Journal of Applied Physics

http://jjap.ipap.jp/…

…link?JJAP/37/6562

Young's modulus

85 +/- 4 (GPA)

Elastic Properties of SiO2 deposited by CVD from tetraethylflorthosilicate; Carlotti et al; European materials research society spring symposium

 

Poisson ratio

.25

Elastic Properties of SiO2 deposited by CVD from tetraethylflorthosilicate; Carlotti et al; European materials research society spring symposium

 

Stiffness Constants

c11=76

c44=25.5 (GPA)

Elastic Properties of SiO2 deposited by CVD from tetraethylflorthosilicate; Carlotti et al; European materials research society spring symposium

 

Tensile or fracture strength

9.52 (Gpa)

MEMS and Nanotechnology Clearinghouse

http://www.memsnet.org/material/…

…amorphoussilicondioxideasio2film/

Residual stress on silicon

-62.7 Mpa

Elastic Properties of SiO2 deposited by CVD from tetraethylflorthosilicate; Carlotti et al; European materials research society spring symposium

 

Specific heat

 

 

 

Thermal conductivity

1.1 W/m/K

MEMS and Nanotechnology Clearinghouse

http://www.memsnet.org/…

…material/silicondioxidesio2film/

Dielectric constant

5

The Effective Dielectric-Constant Of SiO2 Deposited in the spaces between adjacent conductors; Schwartz et al; Journal of the Electrochemical Society

 

Index of refraction

1.46

Film Characteristics of Low-Temperature PECVD SiO2 using tetraisocyanatesilane and O2; Idris et al; Japanese Journal of Applied Physics

http://jjap.ipap.jp/…

…link?JJAP/37/6562

Electrical conductivity

7E-15

1/(ohm*cm)

Film Characteristics of Low-Temperature PECVD SiO2 using tetraisocyanatesilane and O2; Idris et al; Japanese Journal of Applied Physics

http://jjap.ipap.jp/…

…link?JJAP/37/6562

Magnetic permeability

 

 

 

Piezoresistivity

 

 

 

Piezoelectricity

 

 

 

Wet etching method

Buffered HF

Rate: <3 (nm/s)

Physical and electrical properties of low temp E100degC SiO2 films deposited by electron cyclotron resonance plasmas

 

Plasma etching method

CF4/H2 etch gas

Microsystem Design; Senturia

 

Adhesion to silicon dioxide

excellent

Microsystem Design; Senturia

 

Biocompatibility

 

 

 

Hydrophobicity

Hydrophilic, very low contact angle

Structure and Reactivity of Water at Biomaterial Surfaces; Vogler; Advances in Colliod and Interface Science