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Compound Semiconductors and Crystal Materials

Strontium Titanate (SrTiO3)

Application examples: Weyl semimetal substrates, photocatalysts, etc.

Strontium titanate single crystal (SrTiO3), having a Perovskite structure and a lattice constant close to that of Y-Ba-Cu-O compounds (a=3.89Å), is the most widely used material for superconducting thin film substrates.
It occupies an important position in applied research as a substrate for SQUID (superconducting quantum interference devices) and Josephson devices. Moreover, besides being a high-quality Perovskite oxide, it has metal-like properties giving it the potential for use as a novel substrate in applications unlike any before seen.

A special type with each element doped to give it conductive properties (n-type semiconductor) is also available.

Application Examples
  • Superconducting thin film substrate
  • Weyl semimetal substrate
  • Photocatalyst
  • Josephson device
  • SQUID (superconducting quantum interference device) substrate
Supported crystals Non:SrTiO3, Nb:SrTiO3, La:SrTiO3
Crystal type Perovskite
Crystal sizes 10×10×0.5mm, 20×20×0.5mm
15φup×0.5mm, 20φup×0.5mm, 2"φ×0.5mm(under development)
  • Other sizes are available on request.
Polishing Both-side, single-side

Sales of the products introduced here are handled by Furuuchi Chemical Corporation.

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