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Title: Magnetic nanostructures and composites for millimeter wave absorption

Abstract

A product includes a nanostructure having a core and a shell. The core has a coercive field of at least 3 kOe and the shell has a saturation magnetization of at least 50 emu per gram. A product includes a nanostructure having a core and a shell. The shell has a coercive field of at least 3 kOe and the core has a saturation magnetization of at least 50 emu per gram. A method includes forming core/shell nanostructures and forming millimeter wave absorbers including the core/shell nanostructures and a support structure.

Inventors:
;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1924953
Patent Number(s):
11404793
Application Number:
16/712,812
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 12/12/2019
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Han, Jinkyu, and Han, Thomas. Magnetic nanostructures and composites for millimeter wave absorption. United States: N. p., 2022. Web.
Han, Jinkyu, & Han, Thomas. Magnetic nanostructures and composites for millimeter wave absorption. United States.
Han, Jinkyu, and Han, Thomas. Tue . "Magnetic nanostructures and composites for millimeter wave absorption". United States. https://www.osti.gov/servlets/purl/1924953.
@article{osti_1924953,
title = {Magnetic nanostructures and composites for millimeter wave absorption},
author = {Han, Jinkyu and Han, Thomas},
abstractNote = {A product includes a nanostructure having a core and a shell. The core has a coercive field of at least 3 kOe and the shell has a saturation magnetization of at least 50 emu per gram. A product includes a nanostructure having a core and a shell. The shell has a coercive field of at least 3 kOe and the core has a saturation magnetization of at least 50 emu per gram. A method includes forming core/shell nanostructures and forming millimeter wave absorbers including the core/shell nanostructures and a support structure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {8}
}

Works referenced in this record:

A Millimeter-Wave Absorber Based on Gallium-Substituted ɛ-Iron Oxide Nanomagnets
journal, November 2007


ε-Fe 2 O 3 : An Advanced Nanomaterial Exhibiting Giant Coercive Field, Millimeter-Wave Ferromagnetic Resonance, and Magnetoelectric Coupling
journal, December 2010


Electromagnetic Wave Absorber and Film Forming Paste
patent-application, June 2016