Санкт-Петербург, Политехническая ул., д. 29, Г.З., оф.234, общий отдел:  920-01-97, вакуумное оборудование: 920-71-97

BISMUTH SILICON OXIDE ( BI12SIO20 )
BISMUTH GERMANIUM OXIDE ( BI12GEO20 )
BISMUTH TITAN OXIDE ( BI12TIO20 )

Single crystals with the Sillenite structure, Bi12MO20 (M=Si, Ge, Ti) have a fortunate combination of electro-optic, acousto-optic and piezoelectric properties and are thus promising materials for optoelectronics.

The fabrication of sillenite oxide thin-film structures by different techniques permits the development of a long list of devices, including integrated-optics devices.

The strong spectral dependence of the photoconductive properties of these crystals and their electro-optic properties makes it possible to develop a wide variety of devices including spatial light modulators, hologram recording devices, phase conjugation, photorefractive incoherent-to-coherent optical converters.

The relatively large electro-optic effect of sillenite oxide makes them useful also for optical fiber electric field sensors with high thermostability.

Material Properties:

Material

BSO

BGO

BTO

Chemical Formula

Bi12SiO20

Bi12GeO20

Bi12TiO20

Crystal Structure

Crystal System: cubic
Point Group: 23

Lattice Parameters, Å

10.104

10.145

10.175

Density, g/cm3

9.14

9.2

9.2

Mohs Hardness

6

5

5

Melting Point, °C

884

925

840

Transparency Range, m

0.4 - 6

0.4 - 7

0.5 - 6

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