OMedaSemi offers barium titanate thin film wafers. Our thin film wafers are polycrystalline barium titanate films prepared using the SOL-GEL method.
We have included our characterization results and data below for your reference.

SIZE:4inch 6inch 8inch
Fabrication Method:SOL-GEL
Crystal type:Poly BTO
Structure:BTO 300nm-buffer layer--4.7umSiO2--525um SI FZ P100 >10000ohm*cm
Crystal Orientation:
The c-axis is parallel to the surface, and the a-axis is perpendicular to the surface.
n~2.1@1550nm
k<1e-6@1550nmDielectric constant<150@1kHz
EO coefficient >200pm/V
N&K Data:
Refractive Index and Absorption data of BTO .xlsx
XRD Data:

SEM IMAGE:

OMeda (Shanghai Omedasemi Co.,Ltd) was founded in 2021 by 3 doctors with more than 10 years of experience in nanpfabrication. It currently has 15 employees and has rich experience in nanofabrication (coating, lithography, etching, two-photon printing, bonding) and other processes. We support nanofabrication of 4/6/8-inch wafers.
