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634875

Oxyde d′aluminium

Name: Oxyde d′aluminium
Brand: ALDRICH

single crystal substrate, <0001>

Synonyme(s) :

Sapphire, Alumina

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A propos de cet article

Formule linéaire :

Al₂O₃

Numéro CAS:

1344-28-1

Poids moléculaire :

101.96

PubChem Substance ID:

24882698

eCl@ss:

38120402

UNSPSC Code:

12352303

NACRES:

NA.23

EC Number:

215-691-6

MDL number:

MFCD00003424

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Propriétés

Quality Segment

100

description

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

form

single crystal substrate

composition

Al₂O₃

hardness

9 mohs

reaction suitability

core: aluminum

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

L × W × thickness

10 mm × 10 mm × 0.5 mm

mp

2040 °C (lit.)

application(s)

crystal growth

greener alternative category

Enabling

semiconductor properties

<0001>

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

Description

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Aluminum oxide serves as a multifunctional additive or coating in lithium-ion batteries, helping stabilize electrode–electrolyte interfaces, suppress side reactions, improve thermal stability, and extend cycle life. By enabling safer, longer-lasting cells, it reduces material waste and energy use across the battery lifecycle. Click here for more information.

thermal expansion = 7.5 × 10^-6 /°C; specific heat = 0.10 cal/°C; thermal conductivity = 46.06 @ 0 °C, 25.12 @ 100 °C, 12.56 @ 400 °C (W/m,K); dielectric constant = ~9.4 @ 300 K at A axis, ~11.58 @ C axis; loss tangent at 10 GHz < 2 × 10^-5 at A axis, 5 × 10^-6 at C axis

Features and Benefits

Common substrate for III-V nitrides as well as many other epitaxial films.

Physical form

Crystalline, hexagonal (a = 4.758 Å, c = 12.992)

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Classe de stockage

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c