Lanthanum Aluminate Substrate

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Sim. Verneuill grown

Materials properties

Structure formula: LaAlO3  
State: monocrystalline  
Crystal structure: rhombohedrial


cubic

a = 5.377 Å
a = 60.13°

a = 3.821 Å

Phase transition: > 500° C  
Density: 6.51 g/cm3  
Melting point: 2180°C  
Coefficient of expansion: 10 * 10-6/°C  
Dielectrical constant (e ): 20-25  
 

Substrate properties

Production method: sim. Verneuill grown (with minimum twins)
Orientation: (100)
Orientation accuracy:

£ 0.5°

Standard size: 10mm x 10mm x thickness 1mm or 0.5mm
Tolerance of length:

± 0.10mm (typical better ± 0.05mm)

Tolerance of thickness:

± 0.05mm

Parallelness:

£ 0.02mm

Polishing: standard: one side
Flatness:

l/2

Roughness of surface: Rmax £ 15nm (average Ra = 3nm)
Scratches: none
Surface quality: with light microscope without defects

Übersicht der Elemente mit Zugang zu unserem Shop

1 18
H
 2 13 14 15 16 17
He
Li Be B C
N
O
F
Ne
Na Mg 3 4 5 6 7 8 9 10 11 12 Al Si P S
Cl
Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se
Br
Kr
Rb Sr Y Zr Nb Mo
Tc
 Ru Rh Pd Ag Cd In Sn Sb Te I
Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi
Po
At
Ra
Fr
Ra
Ac
Ce Pr Nd
Pm
 Sm Eu Gd Tb Dy Ho Er Tm Yb Lu


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