material

MgAl2O4
ID:

mp-531340
DOI:

10.17188/1263319

Material Details

Final Magnetic Moment
0.000 μB

Calculated total magnetic moment for the unit cell within the magnetic ordering provided (see below). Typically accurate to the second digit.
Magnetic Ordering
NM
Formation Energy / Atom
-3.352 eV

Calculated formation energy from the elements normalized to per atom in the unit cell.

Energy Above Hull / Atom
0.031 eV

The energy of decomposition of this material into the set of most stable materials at this chemical composition, in eV/atom. Stability is tested against all potential chemical combinations that result in the material's composition. For example, a Co2O3 structure would be tested for decomposition against other Co2O3 structures, against Co and O2 mixtures, and against CoO and O2 mixtures.

Density
3.47 g/cm3

The calculated bulk crystalline density, typically underestimated due calculated cell volumes overestimated on average by 3% (+/- 6%)

Decomposes To
MgAl2O4
Band Gap
3.707 eV

In general, band gaps computed with common exchange-correlation functionals such as the LDA and GGA are severely underestimated. Typically the disagreement is reported to be ~50% in the literature. Some internal testing by the Materials Project supports these statements; typically, we find that band gaps are underestimated by ~40%. We additionally find that several known insulators are predicted to be metallic.

Space Group

Hermann Mauguin
Cm [8]
Hall
C 2y
Point Group
m
Crystal System
monoclinic
We have not yet calculated a detailed bandstructure for this material

X-Ray Diffraction

    Select radiation source:
  • Cu
  • Ag
  • Mo
  • Fe

Calculated powder diffraction pattern; note that peak spacings may be affected due to inaccuracies in calculated cell volume, which is typically overestimated on average by 3% (+/- 6%)

X-Ray Absorption Spectra

FEFF XANES

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3 eV
FWHM: 0 eV

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Warning: These results are intended to be semi-quantitative in that corrections, such as edge shifts and Debye-Waller damping, have not been included.

Substrates

Reference for minimal coincident interface area (MCIA) and elastic energy:
substrate orientation:
No elastic tensor calculated for this material, so elastic energies not avaialable. Sorting by MCIA instead.
substrate material substrate orientation film orientation MCIA† [Å2]
AlN (mp-661) <1 0 1> <0 0 1> 231.2
GaN (mp-804) <0 0 1> <0 0 1> 115.6
SiO2 (mp-6930) <0 0 1> <0 0 1> 173.4
SiO2 (mp-6930) <1 0 1> <0 0 1> 289.0
KTaO3 (mp-3614) <1 0 0> <1 0 -1> 193.8
KTaO3 (mp-3614) <1 1 0> <0 0 1> 115.6
AlN (mp-661) <1 0 0> <0 0 1> 289.0
GaAs (mp-2534) <1 0 0> <0 0 1> 231.2
LiF (mp-1138) <1 1 0> <0 0 1> 115.6
LiF (mp-1138) <1 1 1> <0 0 1> 57.8
GaAs (mp-2534) <1 1 0> <1 0 0> 191.1
DyScO3 (mp-31120) <0 0 1> <0 0 1> 289.0
DyScO3 (mp-31120) <1 0 0> <0 0 1> 231.2
ZnSe (mp-1190) <1 0 0> <0 0 1> 231.2
ZnSe (mp-1190) <1 1 0> <0 0 1> 231.2
KTaO3 (mp-3614) <1 1 1> <0 0 1> 57.8
Ag (mp-124) <1 1 1> <0 0 1> 57.8
Al (mp-134) <1 1 0> <0 0 1> 115.6
Al (mp-134) <1 1 1> <0 0 1> 57.8
TeO2 (mp-2125) <0 0 1> <1 0 0> 191.1
TeO2 (mp-2125) <0 1 1> <0 0 1> 231.2
C (mp-66) <1 1 0> <0 0 1> 289.0
C (mp-66) <1 1 1> <0 0 1> 173.4
GdScO3 (mp-5690) <1 0 0> <0 0 1> 231.2
Ag (mp-124) <1 0 0> <0 0 1> 173.4
Ag (mp-124) <1 1 0> <1 0 -1> 193.8
GaSe (mp-1943) <0 0 1> <0 0 1> 115.6
BN (mp-984) <0 0 1> <0 0 1> 115.6
MoS2 (mp-1434) <0 0 1> <0 0 1> 115.6
Al (mp-134) <1 0 0> <0 0 1> 289.0
TbScO3 (mp-31119) <0 0 1> <1 0 0> 191.1
TbScO3 (mp-31119) <1 0 0> <0 0 1> 231.2
Ni (mp-23) <1 1 0> <0 0 1> 173.4
LiGaO2 (mp-5854) <0 1 1> <0 0 1> 173.4
TeO2 (mp-2125) <0 1 0> <0 0 1> 289.0
TeO2 (mp-2125) <1 0 0> <0 0 1> 289.0
TeO2 (mp-2125) <1 0 1> <0 0 1> 231.2
GdScO3 (mp-5690) <0 0 1> <1 0 0> 191.1
GdScO3 (mp-5690) <1 0 1> <0 0 1> 57.8
Mg (mp-153) <0 0 1> <0 0 1> 115.6
InP (mp-20351) <1 1 0> <0 0 1> 289.0
Ni (mp-23) <1 1 1> <0 0 1> 173.4
BaTiO3 (mp-5986) <0 0 1> <1 0 0> 191.1
BaTiO3 (mp-5986) <1 0 0> <0 0 1> 289.0
BaTiO3 (mp-5986) <1 0 1> <0 0 1> 115.6
BaTiO3 (mp-5986) <1 1 0> <0 0 1> 173.4
BaTiO3 (mp-5986) <1 1 1> <0 0 1> 57.8
NdGaO3 (mp-3196) <0 0 1> <0 0 1> 289.0
NdGaO3 (mp-3196) <1 0 0> <0 0 1> 231.2
MoSe2 (mp-1634) <0 0 1> <0 0 1> 57.8
Up to 50 entries displayed.
†minimal coincident interface area.

Elasticity

A full elastic tensor has not been calculated for this material. Registered users can view statistical-learning-based predictions of this material's bulk and shear moduli.

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Similar Structures beta feature

Explanation of dissimilarity measure: Documentation.
material dissimilarity Ehull # of elements
Al2CuO4 (mp-532426) 0.1004 0.073 3
MgAl2O4 (mp-530748) 0.0997 0.027 3
Al2CuO4 (mp-530977) 0.1166 0.057 3
Al2CuO4 (mp-531283) 0.1225 0.062 3
Al2CuO4 (mp-34728) 0.1227 0.059 3
Li5Fe7O3F13 (mp-851009) 0.1667 0.053 4
Li3Mg2Fe19O32 (mp-771996) 0.1782 0.067 4
Li3MgV8O16 (mp-771733) 0.1782 0.023 4
LiZnFe7O12 (mp-771267) 0.1844 0.068 4
Li3Zn2Fe19O32 (mp-771170) 0.1820 0.067 4
Fe3O4 (mp-715491) 0.2824 0.015 2
Fe3O4 (mp-542433) 0.2825 0.072 2
Fe3O4 (mp-650112) 0.2557 0.057 2
Fe3O4 (mp-715558) 0.2897 0.076 2
Fe3O4 (mp-715811) 0.2942 0.076 2
Li4Ti3Cr3(SnO8)2 (mp-776780) 0.2187 0.029 5
Li4Al3Cr3(SbO8)2 (mp-770625) 0.2170 0.003 5
Li4Ti3Cr3(WO8)2 (mp-773537) 0.2196 0.043 5
Li4Cr3Fe3(TeO8)2 (mp-773518) 0.2217 0.868 5
Li4Nb3V3(SnO8)2 (mp-767976) 0.2043 0.098 5
Li3MnFeCo(PO4)3 (mp-764931) 0.6809 0.015 6
Li3MnFeCo(PO4)3 (mp-764809) 0.6683 0.015 6
Li3MnFeCo(PO4)3 (mp-764869) 0.6735 0.032 6
Li3MnFeCo(PO4)3 (mp-764969) 0.6769 0.032 6
Li3MnFeCo(PO4)3 (mp-764870) 0.6793 0.661 6
Up to 5 similar elemental, binary, ternary, quaternary, etc. structures displayed (dissimilarity threshold 0.75). Ehull: energy above hull per atom [eV].

Synthesis Descriptions

10.1007/s10853-007-1546-5
MgO-rich MgAl2O4 spinel was prepared by adopting solid-state reaction of commercially available sintered seawater magnesia and -alumina. Starting materials were mixed in weight ratio (Al2O3: MgO) of [...]
10.1016/j.apcata.2007.09.002
MgAl2O4 was prepared by a solid phase reaction between MgO (purity 99.9955%) and -Al2O3 (purity 99.9%). The steps involved in the preparation of the support were (i) an intimate mixture of the reacta [...]
chef hat mixing beaker

Explore more synthesis descriptions for materials of composition MgAl2O4.

Text computed by synthesisproject.org.

Calculation Summary

Structure Optimization

Run Type
GGA
Energy Cutoff
520 eV
# of K-points
None
U Values
--
Pseudopotentials
VASP PAW: Mg_pv Al O
Final Energy/Atom
-7.0764 eV
Corrected Energy
-732.8200 eV
-732.8200 eV = -693.4918 eV (uncorrected energy) - 39.3282 eV (MP Anion Correction)

Detailed input parameters and outputs for all calculations

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User remarks:
  • Ordering of Disordered Crystal

Displaying lattice parameters for primitive cell; note that calculated cell volumes are typically overestimated on average by 3% (+/- 6%). Note the primitive cell may appear less symmetric than the conventional cell representation (see "Structure Type" selector below the 3d structure)