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Merck
CN
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文件

634875

Sigma-Aldrich

氧化铝

single crystal substrate, <0001>

别名:

蓝宝石, 氧化铝

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About This Item

线性分子式:
Al2O3
CAS号:
1344-28-1
分子量:
101.96
EC 号:
215-691-6
MDL编号:
MFCD00003424
UNSPSC代码:
12352303
eCl@ss:
38120402
PubChem化学物质编号:
24882698
NACRES:
NA.23

描述

Crystallographic D spacing ((0001) - c plane: 2.165 Angstrom)
Crystallographic D spacing ((1011) - s plane: 1.961 Angstrom)
Crystallographic D spacing ((1040) - m plane: 1.375 Angstrom)
Crystallographic D spacing ((1102) - r plane: 1.740 Angstrom)
Crystallographic D spacing ((1120) - a plane: 2.379 Angstrom)
Crystallographic D spacing ((1123) - n plane: 1.147 Angstrom)
single side polished

质量水平

100

形式

single crystal substrate

硬度

9 mohs

长度 × 宽度 × 厚度

10 mm × 10 mm × 0.5 mm

mp

2040 °C (lit.)

半导体性质

<0001>

SMILES字符串

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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特点和优势

III-V 族氮化物及许多其他外延膜的常用基底。

物理属性

热膨胀 = 7.5 × 10 -6 /°C；比热 = 0.10 cal/°C；热导率 = 46.06@0°C,25.12@100°C,12.56@400°C (W/m,K)；介电常数 = ~9.4@300 K（A 轴，~11.58@C 轴）；A 轴上 10 GHz 时的损耗正切 < 2 × 10 -5 ，C 轴上 5 × 10 -6

外形

结晶，六方 (a = 4.758Å，c = 12.992)

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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G Siddiqi et al.
Dalton transactions (Cambridge, England : 2003), 44(32), 14349-14353 (2015-07-23)
A simple one-step and gram-scale synthesis of [Au5Mes5] from AuCl3 was developed, and this molecular precursor was used to generate Au nanoparticles on SiO2 and Al2O3. While [Au5Mes5] does not react with surface silanols and is only physisorbed, its incipient
Chien-Chih Lin et al.
Nanoscale, 5(17), 8090-8097 (2013-07-25)
We demonstrated a promising route for enhancing temperature sensitivity, improving saturation voltage, and reducing power consumption of the MOS(p) tunneling temperature sensors by introducing ultrathin Al2O3 into the dielectric stacks. Detailed illustrations of the working mechanism and device concept are
Colin J Ingham et al.
Biotechnology advances, 30(5), 1089-1099 (2011-08-23)
Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure aluminum that enables the controllable assembly of exceptionally dense and regular nanopores in a planar membrane. As a consequence, PAO has a high porosity, nanopores with
Joohoon Kang et al.
ACS nano, 9(4), 3596-3604 (2015-03-19)
Solution dispersions of two-dimensional (2D) black phosphorus (BP)--often referred to as phosphorene--are achieved by solvent exfoliation. These pristine, electronic-grade BP dispersions are produced with anhydrous organic solvents in a sealed-tip ultrasonication system, which circumvents BP degradation that would otherwise occur
Linda Önnby et al.
Chemosphere, 113, 151-157 (2014-07-30)
We have investigated the oxidation of inorganic As(III) with H2O2 catalysed by Al2O3, using X-ray absorption near-edge structure and extended X-ray absorption fine structure spectroscopy. The effects of different reaction conditions (pH, time and initial H2O2 concentration) were also studied
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