651486
Gallium arsenide
(single crystal substrate), <100>, diam. × thickness 2 in. × 0.5 mm
Synonym(s):
Gallium monoarsenide
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About This Item
Linear Formula:
GaAs
CAS Number:
Molecular Weight:
144.64
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
215-114-8
MDL number:
InChI key
JBRZTFJDHDCESZ-UHFFFAOYSA-N
InChI
1S/As.Ga
SMILES string
[Ga]#[As]
form
(single crystal substrate)
resistivity
≥1E7 Ω-cm
diam. × thickness
2 in. × 0.5 mm
density
5.31 g/mL at 25 °C (lit.)
semiconductor properties
<100>
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General description
Mobility >=4500 cm2 · V-1 · S-1
Undoped (Si-type semiconductor), EPD < 5 × 104 cm-2, growth technique = LEC & HB
Physical form
cubic (a = 5.6533 Å)
signalword
Danger
hcodes
Hazard Classifications
Carc. 1B - Repr. 1B - STOT RE 1
target_organs
Respiratory system,hematopoietic system
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Chao-Wei Hsu et al.
Nanotechnology, 23(49), 495306-495306 (2012-11-17)
GaAs is grown by metal-organic vapor-phase epitaxy on a 55 nm round-hole patterned Si substrate with SiO(2) as a mask. The threading dislocations, which are stacked on the lowest energy facet plane, move along the SiO(2) walls, reducing the number
Shih-Wei Tan et al.
PloS one, 7(11), e50681-e50681 (2012-12-12)
Characterization and modeling of metal-semiconductor-metal (MSM) GaAs diodes using to evaporate SiO₂ and Pd simultaneously as a mixture electrode (called M-MSM diodes) compared with similar to evaporate Pd as the electrode (called Pd-MSM diodes) were reported. The barrier height (φ(b))
Yu Bomze et al.
Physical review letters, 109(2), 026801-026801 (2012-10-04)
We report on measurements of first-passage-time distributions associated with current switching in weakly coupled GaAs/AlAs superlattices driven by shot noise, a system that is both far from equilibrium and high dimensional. Static current-voltage (I-V) characteristics exhibit multiple current branches and
Chan Il Yeo et al.
Optics express, 20(17), 19554-19562 (2012-10-06)
We present a simple, cost-effective, large scale fabrication technique for antireflective disordered subwavelength structures (d-SWSs) on GaAs substrate by Ag etch masks formed using spin-coated Ag ink and subsequent inductively coupled plasma (ICP) etching process. The antireflection characteristics of GaAs
Eli Fahrenkrug et al.
Journal of the American Chemical Society, 135(1), 330-339 (2012-12-26)
Crystalline GaAs (c-GaAs) has been prepared directly through electroreduction of As(2)O(3) dissolved in an alkaline aqueous solution at a liquid gallium (Ga(l)) electrode at modest temperatures (T ≥ 80 °C). Ga(l) pool electrodes yielded consistent electrochemical behavior, affording repetitive measurements
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