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Merck
CN

651486

Sigma-Aldrich

砷化镓

(single crystal substrate), <100>, diam. × thickness 2 in. × 0.5 mm

别名:

Gallium monoarsenide

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About This Item

线性分子式:
GaAs
CAS号:
分子量:
144.64
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NA.23

质量水平

形式

(single crystal substrate)

电阻率

≥1E7 Ω-cm

直径× 厚度

2 in. × 0.5 mm

密度

5.31 g/mL at 25 °C (lit.)

半导体性质

<100>

SMILES字符串

[Ga]#[As]

InChI

1S/As.Ga

InChI key

JBRZTFJDHDCESZ-UHFFFAOYSA-N

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物理属性

未掺杂的(Si 型半导体),蚀坑密度 <5×104cm-2,生长技术为液封直拉法和水平布里奇曼法
迁移率 ≥4500cm2 · V-1 · S-1

外形

cubic (a = 5.6533 Å)

象形图

Health hazard

警示用语:

Danger

危险声明

危险分类

Carc. 1B - Repr. 1B - STOT RE 1

靶器官

Respiratory system,hematopoietic system

储存分类代码

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

分析证书(COA)

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Kazuue Fujita et al.
Optics express, 20(18), 20647-20658 (2012-10-06)
Device-performances of 3.7 THz indirect-pumping quantum-cascade lasers are demonstrated in an InGaAs/InAlAs material system grown by metal-organic vapor-phase epitaxy. The lasers show a low threshold-current-density of ~420 A/cm2 and a peak output power of ~8 mW at 7 K, no
M Baranowski et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(6), 065801-065801 (2013-01-12)
In this study we apply time resolved photoluminescence and contactless electroreflectance to study the carrier collection efficiency of a GaInNAsSb/GaAs quantum well (QW). We show that the enhancement of photoluminescence from GaInNAsSb quantum wells annealed at different temperatures originates not
Anand Kumar Tatikonda et al.
Biosensors & bioelectronics, 45, 201-205 (2013-03-19)
Microelectronic-based sensors are ideal for real-time continuous monitoring of health states due to their low cost of production, small size, portability, and ease of integration into electronic systems. However, typically semiconductor-based devices cannot be operated in aqueous solutions, especially in
I I Yakimenko et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(7), 072201-072201 (2013-01-19)
We analyze the occurrence of local magnetization and the effects of electron localization in different models of quantum point contacts (QPCs) using spin-relaxed density functional theory (DFT/LSDA) by means of numerical simulations. In the case of soft confinement potentials the
V V Solovyev et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(2), 025801-025801 (2012-11-28)
Temperature-dependent reflectivity and photoluminescence spectra are studied for undoped ultra-wide 150 and 250 nm GaAs quantum wells. It is shown that spectral features previously attributed to a size quantization of the exciton motion in the z-direction coincide well with energies

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