634670
Strontium titanate
single crystal substrate, <110>, ≥99.99% trace metals basis
Synonym(s):
Strontium titanium trioxide
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About This Item
Linear Formula:
SrTiO3
CAS Number:
Molecular Weight:
183.49
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
235-044-1
MDL number:
InChI key
VEALVRVVWBQVSL-UHFFFAOYSA-N
InChI
1S/3O.Sr.Ti/q;2*-1;+2;
SMILES string
[Sr++].[O-][Ti]([O-])=O
description
single side polished
assay
≥99.99% trace metals basis
dielectric constant
~300
hardness
6 (, Mohs)
L × W × thickness
10 mm × 10 mm × 0.5 mm
mp
2060 °C (lit.)
solubility
H2O: insoluble
density
4.81 g/mL at 25 °C (lit.)
semiconductor properties
<110>
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Features and Benefits
Single crystal strontium titanate substrate lattice has a good lattice match with most perovskite structured materials. It is an excellent substrate from the epitaxial growth of many oxide this films and high-temperature superconductors. It also has applications in optical windows and as a high-quality sputtering target.
loss tangent at 10 GHz = ~5 × 10-4 (300 K), ~3 × 10-4 (77 K)
Physical form
cubic (a = 3.905 Å)
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Qiang Xu et al.
Ultramicroscopy, 111(7), 912-919 (2011-06-15)
The knowledge of the valence electron distribution is essential for understanding the properties of materials. However this information is difficult to obtain from HREM images because it is easily obscured by the large scattering contribution of core electrons and by
Archana Pandey et al.
ACS nano, 7(1), 117-125 (2012-12-04)
Novel PMMA-STO-CNT matrices were created by opened-tip vertically aligned multiwalled carbon nanotubes (VA-MWCNTs) with conformal coatings of strontium titanate (STO) and poly(methyl methacrylate) (PMMA). Emission threshold of 0.8 V/μm was demonstrated, about 5-fold lower than that of the as-grown VA-MWCNTs.
Chemically driven nanoscopic magnetic phase separation at the SrTiO(3) (001)/La(1-x) Sr(x) CoO(3) interface.
Maria A Torija et al.
Advanced materials (Deerfield Beach, Fla.), 23(24), 2711-2715 (2011-04-21)
L Avilés Félix et al.
Nanotechnology, 23(49), 495715-495715 (2012-11-17)
The transport properties of ultra-thin SrTiO(3) (STO) layers grown over YBa(2)Cu(3)O(7) electrodes were studied by conductive atomic force microscopy at the nano-scale. A very good control of the barrier thickness was achieved during the deposition process. A phenomenological approach was
Troy K Townsend et al.
ACS nano, 6(8), 7420-7426 (2012-07-24)
SrTiO(3) (STO) is a large band gap (3.2 eV) semiconductor that catalyzes the overall water splitting reaction under UV light irradiation in the presence of a NiO cocatalyst. As we show here, the reactivity persists in nanoscale particles of the
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