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634875

氧化铝

Name: 氧化铝
Brand: ALDRICH

single crystal substrate, <0001>

别名:

蓝宝石, 氧化铝

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关于此项目

线性分子式:

Al₂O₃

化学文摘社编号:

1344-28-1

分子量:

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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属性

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.)

greener alternative category

Enabling

semiconductor properties

<0001>

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

说明

General description

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

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.

Features and Benefits

III-V 族氮化物及许多其他外延膜的常用基底。

Physical form

结晶，六方 (a = 4.758Å，c = 12.992)

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存储类别

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c