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Magnetic materials with ultrahigh resistivity intergrain nanoparticles

CHEN YAJIE / ANDALIB PARISA / HARRIS VINCENT

A composite magnetic material has a plurality of grains having a magnetic ferrite phase, grain boundaries surrounding the grains, and a plurality of nanoparticles disposed at the grain boundaries. The nanoparticles of the composite material are both magnetic and electrically insulating, having a magnetic flux density of greater than about 100 mT and an electrical resistivity of at least about 108 Ohm-cm. Also provided is a method of making the composite material. The material is useful for making inductor cores of electronic devices.

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Magnetic materials with ultrahigh resistivity intergrain nanoparticles

CHEN YAJIE / ANDALIB PARISA / HARRIS VINCENT

A composite magnetic material has a plurality of grains having a magnetic ferrite phase, grain boundaries surrounding the grains, and a plurality of nanoparticles disposed at the grain boundaries. The nanoparticles of the composite material are both magnetic and electrically insulating, having a magnetic flux density of greater than about 100 mT and an electrical resistivity of at least about 108 Ohm-cm. Also provided is a method of making the composite material. The material is useful for making inductor cores of electronic devices.

Magnetic materials with ultrahigh resistivity intergrain nanoparticles

CHEN YAJIE / ANDALIB PARISA / HARRIS VINCENT

A composite magnetic material has a plurality of grains having a magnetic ferrite phase, grain boundaries surrounding the grains, and a plurality of nanoparticles disposed at the grain boundaries. The nanoparticles of the composite material are both magnetic and electrically insulating, having a magnetic flux density of greater than about 100 mT and an electrical resistivity of at least about 108 Ohm-cm. Also provided is a method of making the composite material. The material is useful for making inductor cores of electronic devices.

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Titel:

Magnetic materials with ultrahigh resistivity intergrain nanoparticles

Beteiligte:

CHEN YAJIE (Autor:in) / ANDALIB PARISA (Autor:in) / HARRIS VINCENT (Autor:in)

Erscheinungsdatum:

28.12.2021

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: H01F MAGNETS , Magnete / C04B Kalk , LIME

Ähnliche Titel

Magnetic Materials with Ultrahigh Resistivity Intergrain Nanoparticles

CHEN YAJIE / ANDALIB PARISA / HARRIS VINCENT | Europäisches Patentamt | 2019

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