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Other Crystal

Now we can provide Superconductor wafers, Magnetism and ferroelectric wafers and III-V Nitrides wafers.

Crystal	Structure	Density	Thermal Expansion	Dielectric constant	max. size	Standard polished Wafer( mm)
		g/ cm³	x10^-6/K
LSAT(LaAlO3)0.3 -(Sr2AlTaO8)0.7	Cubic a=3.868 Å	6.74	10	22	CZ Ø35mm	20x20x0.5
						10x10x0.5
LaAlO3	Rhombo. a=3.790Å c=13.11 Å	6.51	9.2	24.5	CZ Ø3"	Ø3"x0.5
						Ø2"x0.5
						Ø1"x0.5
						10x10x0.5
MgO	Cubic a=4.21 Å	3.58	12.8	9.8	Flux Ø2"	Ø2"x0.5
						10x10x0.5
NdGaO3	Orthor. a=5.43Å b=5.50Å c=7.71 Å	7.57	7.8	25	CZ Ø2"	Ø2"x0.5
						10x10x0.5


SrTiO3	Cubic a=3.90 Å	5.12	10.4	300	vernuil Ø30mm	10x10x0.5

YAlO₃	Orthor. a=5.176Å b=5.307Å c=7.355 Å	4.88	2 ~ 10	16`20	CZ Ø30mm	10x10x0.5


YSZ	Cubic a=5.125 Å	5.8	10.3	27	Flux Ø2"	Ø2"x0.5
						10x10x0.5
Nd:SrTiO₃	Cubic a=3.90 Å	5.12	10.4	300	vernuil Ø20mm	10x10x0.5
MgAl₂O₄	Cubic a=8.083 Å	3.6	9% <111>ori.	7.45	CZ Ø32 mm	Ø32 x 0.5
						10x10x0.5
GGG	Cubic a=12.376 Å	7.09	/	27	CZ Ø3”	Ø2”x0.5
						10x10x0.5

Crystal

Structure

Density

g/cm³

Lattice Mis-match to GaN

Max size

Standard

substrate

size (mm)

LiAlO₂

Tetragonal

a=5.17 Å

c=6.26 Å

2.62

1.4 % at <100>ori.

CZ

Ø20 mm

10x10x0.5

LiGaO₂

Orthor.

a=5.406 Å

b=5.012Å

c=6.379 Å

4.18

0.2 % at <001>ori.

CZ

Ø20 mm

10x10x0.5

SiC (6H)

Hexagonal

a=3.080 Å

c=15.12 Å

3.217

3.5 % at <0001>ori.

CVD

Ø50 mm

10x10x0.3

ZnO

Hexag.

a=3.325 Å

c=5.213 Å

5.605

2.2 % at <0001>ori.

Hydro-thermal

20mm

　

20x20x0.5

　

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