GERMANIUM NITRIDE Property

Melting point:

>850 °C (dec.)(lit.)

Density 

5.35 g/mL at 25 °C(lit.)

solubility 

insoluble in H2O, acid solutions, aquaregia

form 

orthorhombic crystals

Specific Gravity

5.35

color 

orthorhombic crystals, crystalline

Water Solubility 

insoluble H2O; does not react with most mineral acids, aqua regia or caustic solutions [KIR78] [CRC10]

EPA Substance Registry System

Germanium nitride (Ge3N4) (12065-36-0)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

TSCA 

Yes

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

GERMANIUM NITRIDE Chemical Properties,Usage,Production

Description

Germanium nitride (Ge3N4) does not occur in nature as a compound. It can be produced by reacting germanium with ammonia. It can be applied as a passivation layers to germanium-based radiation detectors. Germanium Nitride is reported to be used as a water-insoluble gate dielectric film in metal oxide semiconductor field effect transistor with germanium channel.² It is used in etchant formulation, which was originally developed for silicon oxynitride.³

References

1. G. Maggioni, S. Carturan, L. Fiorese, N. Pinto, F. Caproli, D. R. Napoli, M. Giarola, G. Mariotto, Germanium nitride and oxynitride films for surface passivation of Ge radiation detectors, 2017, vol. 393, pp.119-126
2. H. Kondo, I. Yanagi, M. Sakashita, A. Sakai, M. Ogawa, S. Zaima, Electrical properties and bonding structures of germanium nitride/Ge(100) structures formed by radical nitridation, 2006, vol. 3, pp. 287-289
3. P. Walker, W. H. Tarn, CRC Handbook of Metal Etchants, 1991, ISBN 0-8493-6323-6

Chemical Properties

brownish-white powder(s); -200 mesh with 99.999% purity; prepared by reacting Ge powder(s) and ammonia at 700°C–850°C; ortho-rhomb; a=1.384nm, b=0.406 nm, c=0.818 nm [CIC73] [CER91] [CRC10]