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Title: Tunable anisotropy of co-based nanocomposites for magnetic field sensing and inductor applications

Abstract

A method includes producing an amorphous precursor to a nanocomposite, the amorphous precursor comprising a material that is substantially without crystals not exceeding 20% volume fraction; performing devitrification of the amorphous precursor, wherein the devitrification comprises a process of crystallization; forming, based on the devitrification, the nanocomposite with nano-crystals that contains an induced magnetic anisotropy; tuning, based on one or more of composition, temperature, configuration, and magnitude of stress applied during annealing and modification, the magnetic anisotropy of the nanocomposite; and adjusting, based on the tuned magnetic anisotropy, a magnetic permeability of the nanocomposite.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
US Department of Energy (USDOE), Washington DC (United States). Advanced Research Projects Agency-Energy (ARPA-E)
Sponsoring Org.:
USDOE
OSTI Identifier:
1493319
Patent Number(s):
10168392
Application Number:
14/278,836
Assignee:
Carnegie Mellon University (Pittsburgh, PA)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
DOE Contract Number:  
AR0000219
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 May 15
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Leary, Alex M., Ohodnicki, Paul R., McHenry, Michael E., Keylin, Vladimir, Huth, Joseph, and Kernion, Samuel J. Tunable anisotropy of co-based nanocomposites for magnetic field sensing and inductor applications. United States: N. p., 2019. Web.
Leary, Alex M., Ohodnicki, Paul R., McHenry, Michael E., Keylin, Vladimir, Huth, Joseph, & Kernion, Samuel J. Tunable anisotropy of co-based nanocomposites for magnetic field sensing and inductor applications. United States.
Leary, Alex M., Ohodnicki, Paul R., McHenry, Michael E., Keylin, Vladimir, Huth, Joseph, and Kernion, Samuel J. Tue . "Tunable anisotropy of co-based nanocomposites for magnetic field sensing and inductor applications". United States. https://www.osti.gov/servlets/purl/1493319.
@article{osti_1493319,
title = {Tunable anisotropy of co-based nanocomposites for magnetic field sensing and inductor applications},
author = {Leary, Alex M. and Ohodnicki, Paul R. and McHenry, Michael E. and Keylin, Vladimir and Huth, Joseph and Kernion, Samuel J.},
abstractNote = {A method includes producing an amorphous precursor to a nanocomposite, the amorphous precursor comprising a material that is substantially without crystals not exceeding 20% volume fraction; performing devitrification of the amorphous precursor, wherein the devitrification comprises a process of crystallization; forming, based on the devitrification, the nanocomposite with nano-crystals that contains an induced magnetic anisotropy; tuning, based on one or more of composition, temperature, configuration, and magnitude of stress applied during annealing and modification, the magnetic anisotropy of the nanocomposite; and adjusting, based on the tuned magnetic anisotropy, a magnetic permeability of the nanocomposite.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {1}
}

Works referenced in this record:

Enhanced giant magnetoimpedance effect and field sensitivity in Co-coated soft ferromagnetic amorphous ribbons
journal, April 2011


Transmission electron microscopy study of large field induced anisotropy (Co1−xFex)89Zr7B4 nanocomposite ribbons with dilute Fe-contents
journal, February 2010


Recent advances in fluxgate magnetometry
journal, March 1972


Giant induced magnetic anisotropy In strain annealed Co-based nanocomposite alloys
journal, September 2012


Magnetostriction constants of fcc CoFeNi alloys
journal, November 1996


Giant magnetoimpedance and field sensitivity in amorphous and nanocrystalline (Co 1−x Fe x ) 89 Zr 7 B 4 (x = 0, 0.025, 0.05, 0.1) ribbons
journal, April 2011


Magnetic domain refinement of silicon-steel laminations by laser scribing
journal, April 1996


Co-based magnetic microwire and field-tunable multifunctional macro-composites
journal, August 2009


Relaxation of the state with induced transverse magnetic anisotropy in the soft magnetic nanocrystalline alloy Fe73.5Si13.5Nb3B9Cu1
journal, September 2012


Effect of stress and/or field annealing on the magnetic behavior of the (Co77Si13.5B9.5)90Fe7Nb3 amorphous alloy
journal, February 2005


Origin of the magnetic anisotropy induced by stress annealing in Fe-based nanocrystalline alloy
journal, April 2005


Magneto-impedance element
journal, July 1995


Nanocrystalline fluxgate cores with transverse anisotropy
conference, January 2004