634840

Sigma-Aldrich

Magnesium aluminate

single crystal substrate, <110>, 99.99% trace metals basis

Linear Formula:
MgO·Al2O3
CAS Number:
Molecular Weight:
142.27
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

assay

99.99% trace metals basis

hardness

8.0 mohs

size

10 mm × 10 mm × 0.5 mm

mp

2130 °C (lit.)

density

3.64 g/mL at 25 °C (lit.)

semiconductor properties

<110>

SMILES string

Mg++.O-Al=O.O-Al=O

InChI

1S/2Al.Mg.4O/q;;+2;;;2*-1

InChI key

VPBIQXABTCDMAU-UHFFFAOYSA-N

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Packaging

1 ea in rigid mailer

Application

Inert matrix for the transmutation of minor actinides such as americium.

Features and Benefits

Transparent substrate used for bulk microwave and acoustic wave devices. Good substrate for III-V nitride materials.

Physical properties

propagation loss: 6.5 dB/μs; phase velocity: 6500 m/x at (100> shear wave); thermal expansion: 7.45 × 10-6 /°C

Physical form

cubic (a = 8.083 Å)

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Certificate of Analysis
Certificate of Origin
Klaassen, F.C.
J. Nuc. Mat., 319, 108-108 (2003)
Ibrahim S Ahmed et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 81(1), 324-333 (2011-07-26)
New Ni(x)Mg(1-x)Al(2)O(4) nanosized in different composition (0.1≤x≤0.8) powders have been synthesized successively for first time by using low temperature combustion reaction (LTCR) of corresponding metal chlorides, carbonates and nitrates as salts with 3-methylpyrozole-5-one (3MP5O) as fuel at 300°C in open...
Tomohito Kameda et al.
Chemosphere, 82(4), 587-591 (2010-11-30)
Although effective treatment of acid gases such as HCl, SO(x), and NO(x) is essential for preventing air pollution, current methods pose other environmental problems such as CaCl₂ leaching, reduced landfill lifetimes, and solid waste production. Here we show that acid...
Gabriel A Devenyi et al.
Nano letters, 9(12), 4258-4263 (2009-10-22)
A new class of gold nanostructures has been fabricated on the (100), (111), and (110) surfaces of lattice-matched MgAl(2)O(4) substrates. The nanostructures were fabricated through a synthesis route where a thin gold film dewets, liquefies, and then slowly self-assembles. The...
Q Li et al.
Dental materials : official publication of the Academy of Dental Materials, 25(2), 158-165 (2008-07-09)
To evaluate the optical influence of core build-up composites on the resultant color of ceramic-composite combinations, and analyze the color difference of ceramic-composite combinations to Vita Lumin shade guide with the same nominal shade. Thirty ceramic specimens, with a standardized...
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