Aluminum oxide

• Catalog No.: 634875
• CAS Number: 1344-28-1
• M. F.: Al2H2O3
• M. W.: 103.977156

SYNONYMS

• Title: 氧化铝
• IUPAC name: oxo[(oxoalumanyl)oxy]alumane
• IUPAC Traditional name: aluminium oxide
• Synonyms: 蓝宝石; Alumina; Sapphire; 矾土

DATABASE IDS

• PubChem SID: 24882698
• CAS Number: 1344-28-1
• MDL Number: MFCD00003424
• EC Number: 215-691-6

PROPERTIES

• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: BD1200000
• German water hazard class: nwg
• Description: Crystallographic D spacing ((0001) - c plane: 2.165 Angstrom)
• Description: Crystallographic D spacing ((1011) - s plane: 1.961 Angstrom)
• Description: Crystallographic D spacing ((1040) - m plane: 1.375 Angstrom)
• Description: Crystallographic D spacing ((1102) - r plane: 1.740 Angstrom)
• Description: Crystallographic D spacing ((1120) - a plane: 2.379 Angstrom)
• Description: Crystallographic D spacing ((1123) - n plane: 1.147 Angstrom)
• Description: single side polished
• Hardness: 9 mohs
• Linear Formula: Al2O3
• Size: 10 mm × 10 mm × 0.5 mm
• Apperance: single crystal substrate
• Melting Point: 2040 °C(lit.)
• Semiconductor Properties: <0001>

DETAILS

Description (English)

Packaging
1, 5 ea in rigid mailer
Physical form
Crystalline, hexagonal (a = 4.758 Å, c = 12.992)
Features and Benefits
Common substrate for III-V nitrides as well as many other epitaxial films.
Physical properties
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

Description (简体中文)

包装
1, 5 ea in rigid mailer
Physical form
Crystalline, hexagonal (a = 4.758 Å, c = 12.992)
Features and Benefits
III-V 族氮化物及许多其他外延膜的常用基底。
Physical properties
热膨胀 = 7.5×10-6/°C；比热 = 0.10cal/°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（300K，A 轴），~11.58（C 轴）；10GHz 时损耗正切 < 2×10-5（A 轴），5×10-6（C 轴）