<%@LANGUAGE="JAVASCRIPT" CODEPAGE="936"%> product--substrate!
=Single Crystal Substrate for HTSc Thin Film=
 
Material Properties
  MgO LaAlO3 Al2O3 SrTiO3 YSZ
Crystal Structure Cubic Rhombohedrial Hexagonal Cubic Cubic
Lattice Constant (nm) 0.4213 A =0. 5377¦Á=60.13 deg. A = 0.477 C = 1.304 A = 0.3905 A = 0.5139
Density g/cm3 3.585 6.51 3.98 5.175 5.80
Melting point ¡æ 2800 2180 2040 2080 2500
Thermal expansion coefficient
X 10-6 K-1
14.2 10 // C-axis 6.7
¡Í C-axis 5.0
11.1 10.3
Dielectric constant 10 20 ¨C 25 // C-axis 9.0
¡Í C-axis 11.5
310 27

»ùƬÐÔÄÜ
  MgO LaAlO3 Al2O3 SrTiO3 YSZ
Orientation (100) (100) (0001) (1-102) (11-20) (100) (100)
Orientation Accuracy ¡Ü0.5 deg
¡Ü3 deg
¡Ü0.5 deg ¡Ü0.5 deg ¡Ü0.5 deg
¡Ü3
¡Ü0.5 deg

Standard Size 10 x 10
Standard thickness 0.5
Size Tolerance +/- 0.1
Thickness Tolerance +/- 0.05 +/- 0.01
Parallelness ¡Ü0.02
Polish Standard : one-side epi-polished
Flatness ¦Ë/4, ¦Ë/2 (¦Ë=633 nm)
Surface Roughness nm Ra < 10 nm, Rmax < 50 nm
Scratch and dig None
Surface Quality Without defects under light microscope

Size of Substrate mm
MgO£¨100£© LaAlO3£¨100£© Sapphire£¨0001£© Sapphire
£¨1-102£©
Sapphire£¨11-20£© SrTiO3
£¨100£©
YSZ
(100)
10 x 10 10 x 10 10 x 10 10 x 10 10 x 10 5 x 5 10 x 10
12.7 x 12.7 12.7 x 12.7 12.7 x 12.7 12.7 x 12.7 12.7 x 12.7 10 x 10 12.7 x 12.7
15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 12.7 x 12.7 15 x 15
20 x 20 20 x 20 20 x 20 20 x 20 20 x 20   20 x 20
25.4 x 25.4 25.4 x 25.4 25.4 x 25.4 25.4 x 25.4 25.4 x 25.4   25.4 x 25.4
30 x 30 30 x 30 30 x 30 30 x 30 30 x 30   30 x 30
40 x 40 Dia. 50 Dia. 50       Dia. 50
Dia. 50.8 Dia. 50.8 Dia. 50.8       Dia. 50.8

Polish One-side / two-side epi-polished
Thickness 0.5 / 1.0 mm, Other sizes, thickness and round substrate upon buyer¡¯s request

LiNbO3(Golden,Stick),LaAlO3+YBCO HTSe film(dark squares),Sapphire Substrate(right,rectangle),YSZ substrate(left,white square),SrTiO3 Substrate (middle,white square),MgO substrate (right,white sauare)
 
 
Copyright 2000-2002 All Rights Reserved
Dalian Danning Industries Development Co. Ltd.
Tel: 0086-411-8240 2975
Fax: 0086-411-8240 2895
E-mail : danning1@mail.dlptt.ln.cn
Sales
Tel: 0086-411-8621 2900
Fax: 0086-411-8621 0110
E-mail: danning2@mail.dlptt.ln.cn