Patents

US11014813: Room-temperature ferromagnetic-ferroelectric multiferroic material

A multiferroic material for magnetic and electric switching including Iron selenide (Fe3Se4) nanoparticles and its derivatives or doped with at least one element selected from transitional metals, rare earths elements or combination of the two and chalcogens. Ferroelectric polarization and coupling of magnetic and ferroelectric behavior in the doped Fe3Se4 is observed at a temperature ranging from 15 to 30° C.

Filing Date: 18-05-2017

Issue Date: 21-05-2025

Applicant: CSIR-National Chemical Laboratory (CSIR-NCL), Pune

Patent No: US11014813

Application No: 15/777016

Inventor(s): Mousumi Sen; Pankaj Poddar

IPC Classification: H01F 1/36, C01B 19/00, C04B 35/547, C04B 35/632, C09K 11/88

Country: United States of America

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