Thin SrTiOfilm deposited on top of a doped Si substrate

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Precise Surfaces and Accurate Orientations

The anisotropic properties of crystals lead to a wide range of applications in research and development. Princeton Scientific offers substrates for thin film application, as targets or custom tailored for individual application with highest quality and very competitive pricing.



  • (100), (001), (111), (110) for cubic and tetragonal crystals
  • (0001), (1102), (1120), (1010) for hexagonal crystals

Other orientations with higher Miller index values or vicinal substrates

Orientation accuracy: ± 0.5°, typical < 0.3°, or better on request

Typical sizes:

  • 5 mm x 5 mm, 10 mm x 10 mm, 10 mm x 5 mm, 15 mm x 15 mm
  • 12,7 mm x 12,7 mm, 20 mm x 20 mm, 25 mm x 25 mm, ø1", ø2"

Lateral tolerances: +0/-0.05 mm

Typical thickness:

  • 0.5 mm, 1.0 mm, other thicknesses down to 0.1 mm on request

Vertical tolerance: +/- 0.05 mm, or better on request


  • One or both sides epi-polished
  • Surface quality: scratch free under magnification 50x
  • Micro-Roughness (measured with interferometer microscope)
    (lateral resolution: 0.64 µm, vertical resolution: theor. 0.01 nm)
    Roughness: ( λcut off =0.08 mm)
    Ra: < 0.5 nm
    Rq : < 1.0 nm
  • Rt : < 2.0 nm
  • Certificate of roughness included in each batch

Optical polish on lateral sides (cylinders) on request.



Mineral Name
Data Sheet
Al2O3Aluminium oxideSapphireData Sheet
BaF2Barium fluorideFrankdicksoniteData Sheet
BaTiO3Barium titanateBTOData Sheet
CaF2Calcium fluorideFluorsparData Sheet
CdSCadmium sulfideGreenockite Data Sheet
CdSeCadmium selenideCadmoseliteData Sheet
CdTeCadmium telluride-
GaNGallium Nitride
GeGermanium-Data Sheet
Gd3Ga5O12Gadolinium Gallium GarnetGGG Data Sheet
KBrPotassium bromide-
KTaO3Potassium tantalate-
LaAlO3Lanthanum aluminateLAL Data Sheet
LiAlO2Lithium aluminate-
LiFLithium fluoride-Data Sheet
LiNbO3Lithium niobateLNData Sheet
(La,Sr)(Al,Ta)O3Lanthanum strontium aluminium tantalateLSATData Sheet
LiTaO3Lithium tantalateLTData Sheet
MgAl2O4Magnesium aluminateSpinelData Sheet
MgF2Magnesium fluorideSellaiteData Sheet
MgOMagnesium oxidePericlaseData Sheet
NdGaO3Neodymium gallate-Data Sheet
(1-x)Pb(Mg1/3Nb2/3) - xPbTiO3Lead magnesium niobate – lead titanatePMN-PT
SiSilicon-Data Sheet
SiCSilicon carbide-
SiO2Silicon dioxideAmorphous Quartz glass
α-SiO2Silicon dioxide, single crystallineAlpha-quartzData Sheet
SrLaAlO4Strontium lanthanum aluminateSLAData Sheet
SrLaGaO4Strontium lanthanum gallateSLGData Sheet
SrTiO3Strontium titanateFabulite, TausoniteData Sheet
SrTiO3 (STO) on SiliconThin SrTiO3 film deposited on top of a doped Si substrateLearn More
SrTiO3:NbNiob doped Strontium titanate-Data Sheet
TiO2Titanium dioxideRutileData Sheet
Y3Al5O12Yttrium Aluminium GarnetYAGData Sheet
Y3Fe5O12Yttrium Iron Garnet YIT
YVO4Yttrium OrthovanadateYVOData Sheet
YAlO3Yttrium Aluminium PerowskiteYAPData Sheet
YAlO3:CeCerium doped Yttrium Aluminium PerowskiteYAP:Ce
ZnOZinc oxideZinciteData Sheet
ZnSZinc sulfide-Data Sheet
ZnSeZinc selenide-Data Sheet
ZnTeZinc telluride-Data Sheet
ZrO2:YYttrium stabilised Zirkonium dioxideYSZData Sheet