Main Sector of relevance\IRC classification 11. Sciences (Chemistry, Physics etc)

11.35 Development of the technology for obtaining new magnetic and magnetic-electrical nanocomposites for storage and information processing devices, magnetic sensors

Developers’ contact information

SSPA “The Scientific and Practical Materials Research Center of the National Academy of Sciences of Belarus”
19, P. Brovka Str., 220072 Minsk

Summary

The work aim consists in optimization of conditions for obtaining oxide nanocomposites by means of reconstructed precursors oxidation at low temperatures in order to obtain desired magnetic, magnetodielectric and catalytical features.

Description

It has been proposed to obtain nanocomposite magnetic and magnetoelectric materials for information processing and storage devices, decomposing solid solution of complex oxides in hydrogen stream at low temperature with subsequent oxidation in oxygen stream at low temperatures (if necessary). Moreover, the expected particle sizes are approx. 10 nm in case of preliminary use of the sol gel method for synthesis of simple oxides. This method of obtaining nanocomposites supposes very close contact between particles leading to significant increase in exchange anisotropy and magnetoelectric effect.

Technology type

• Process

Technical advantages and economic benefits

Technology simplification and decrease of synthesis temperatures by 300-400 °C, development of new nanoceramic magnetic, magnetoelectric materials for information processing and storage devices with improved characteristics as compared to materials obtained under traditional technology.

Technology differentiation and uniqueness

The fusion process splits into several stages: obtaining of conventional material with subsequent reintegration and oxidation at low temperatures, in order to obtain close materials the compaction method under high pressure at moderate temperatures is used.

Context in which technology was identified

The Report on scientific-research work under assignment 3.03 of the State Integrated Program of Scientific Investigations “Nanomaterials and nanotechnologies”.

Technological keywords

Nanoceramic, electrical materials, nanocomposites, perovskites.

Development Stage

• Results of demonstration test available

Intellectual property rights

• Patent application filed
• Specific Patent Information:
  O.S. Mantytskaya, E.F. Shapovalova, A.N.Chobot “Method of obtaining magnetoelectric material on the basis of ferrite bismuth” (Application No a2008 03 07 of June 26, 2008)

Range of applications

Obtaining of magnetic and magnetoelectric materials for information processing and storage devices.

Classifier Used at the EU Innovation Relay Centres

• Electronics, IT and Telecommunication
• Sciences (Chemistry, Physics etc)

Preferable Regions

• North America
• South America
• Europe

Practical experience

Prototype.

Environmental impact

None.

Type of collaboration sought

• Other:
  Partner/ other agreements.

Terms and restrictions

—

Available technical assistance

• Documentation