Multilayer iron nitride hard magnetic materials

Title: Multilayer iron nitride hard magnetic materials

Abstract

The disclosure describes multilayer hard magnetic materials including at least one layer including α″-Fe16N2 and at least one layer including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16N2 and α″-Fe16Z2, where Z includes at least one of C, B, or O, and x is a number greater than zero and less than one. The disclosure also describes techniques for forming multilayer hard magnetic materials including at least one layer including α″-Fe16N2 and at least one layer including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16N2 and α″-Fe16Z2 using chemical vapor deposition or liquid phase epitaxy.

Inventors:: Wang, Jian-Ping; Jiang, Yanfeng

Issue Date:: 2020-02-25

Research Org.:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1632587

Patent Number(s):: 10573439

Application Number:: 15/501,697

Assignee:: Regents of the University of Minnesota (Minneapolis, MN)

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

Show more

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F41/22 - Heat treatment

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/56 - After-treatment

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F10/147 - {with lattice under strain, e.g. expanded by interstitial nitrogen
H01F1/059 - and Va elements, e.g. Sm2Fe17N2
H01F41/20 - by evaporation

C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B19/00 - Liquid-phase epitaxial-layer growth
C30B29/68 - Crystals with laminate structure, e.g. "superlattices"

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/34 - Nitrides {

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F41/28 - by liquid phase epitaxy

H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K1/02 - characterised by the magnetic material

C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B25/00 - Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/448 - characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials

C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B29/38 - Nitrides

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C16/507 - using external electrodes, e.g. in tunnel type reactors
C23C16/45561 - {Gas plumbing upstream of the reaction chamber}

Show less

DOE Contract Number:: AR0000199

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/05/2015

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Wang, Jian-Ping, and Jiang, Yanfeng. Multilayer iron nitride hard magnetic materials.  United States: N. p., 2020. 
        Web.

Copy to clipboard


                    Wang, Jian-Ping, & Jiang, Yanfeng. Multilayer iron nitride hard magnetic materials.  United States.

Copy to clipboard


                    Wang, Jian-Ping, and Jiang, Yanfeng. Tue .  
        "Multilayer iron nitride hard magnetic materials".  United States.  https://www.osti.gov/servlets/purl/1632587.

Copy to clipboard


                    
@article{osti_1632587,

  title        = {Multilayer iron nitride hard magnetic materials},

  author       = {Wang, Jian-Ping and Jiang, Yanfeng},

  abstractNote = {The disclosure describes multilayer hard magnetic materials including at least one layer including α″-Fe16N2 and at least one layer including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16N2 and α″-Fe16Z2, where Z includes at least one of C, B, or O, and x is a number greater than zero and less than one. The disclosure also describes techniques for forming multilayer hard magnetic materials including at least one layer including α″-Fe16N2 and at least one layer including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16N2 and α″-Fe16Z2 using chemical vapor deposition or liquid phase epitaxy.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {2}

}

Copy to clipboard

Patent:

View Patent

Save / Share:

Export Metadata

Save to My Library

Works referenced in this record:

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
patent, July 2017

Wang, Jian-Ping; Jiang, Yanfeng
US Patent Document 9,715,957
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=9715957

Zero-cross-pre-distortion (ZCPD) algorithm for DTC based polar DTx
patent, July 2018

Banin, Elan; Parker, Uri; Degani, Ofir
US Patent Document 10,027,356
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=10027356

Inductor including alpha″-Fe16Z2 or alpha″-Fe16(NxZ1-x)2, where Z includes at least one of C, B, or O
patent, June 2018

Wang, Jian-Ping; Jiang, Yanfeng; Mehedi, Md Aminul
US Patent Document 10,002,694
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=10002694

Magnetic recording medium containing particles with a core containing a Fe16N2 phase
patent, July 2007

Sasaki, Yuji; Kishimoto, Mikio; Usuki, Naoki
US Patent Document 7,238,439
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=7238439

Nanostructured High-Strength Permanent Magnets
patent-application, May 2014

Jin, Sungho
US Patent Application 14/118206; 20140132376
URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220140132376%22.PGNR.&OS=DN/20140132376&RS=DN/20140132376

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
patent, September 2018

Wang, Jianping; He, Shihai; Jiang, Yanfeng
US Patent Document 10,068,689
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=10068689

Method for producing iron-nitride powders
patent, July 1994

Koyano, Tamotsu; Mizutani, Uichiro
US Patent Document 5,330,554
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5330554

Magnetic thin film, production method therefor, evaluation method therefor and magnetic head using it, magnetic recording device and magnetic device
patent, January 2005

Takahashi, Migaku; Djayaprawira, David Djulianto; Shoji, Hiroki
US Patent Document 6,841,259
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6841259

Magnetic powder, permanent magnet produced therefrom and process for producing them
patent, October 2000

Kitazawa, Atsunori; Ishibashi, Toshiyuki; Akioka, Koji
US Patent Document 6,139,765
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6139765

Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel
patent, August 2004

Jiang, Hai; Chen, Yingjian; Dang, Xiaozhong
US Patent Document 6,778,358
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6778358

Object consolidation employing friction joining
patent, October 2002

White, Dawn Roberta
US Patent Document 6,457,629
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6457629

Method of improving magnetic devices by applying AC or pulsed current
patent, July 1991

Li, James C. M.; Huang, Der-Ray
US Patent Document 5,032,947
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5032947

Soft magnetic thin film comprising alternate layers of iron carbide with either iron, iron nitride or iron carbon-nitride
patent, November 1991

Hori, Tohru; Aoki, Masaki; Fujii, Kenichi
US Patent Document 5,068,147
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5068147

Magnetic material and production method thereof
patent, November 2001

Nagatomi, Akira; Kanamaru, Fumikazu; Kikkawa, Shinichi
US Patent Document 6,319,485
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6319485

R-Fe-B magnet alloy, isotropic bonded magnet and method of producing same
patent, September 1995

Shimizu, Motoharu; Hasegawa, Motohisa
US Patent Document 5,449,417
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5449417

Magnetic annealing of magnetic alloys in a dynamic magnetic field
patent, April 2001

Zhang, Yide
US Patent Document 6,217,672
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6217672

Iron nitride powders for use in magnetic, electromagnetic, and microelectronic devices
patent-application, March 2011

Sankar, Suryanarayan G.; Simizu, Satoru; Zande, Brain J.
US Patent Application 12/151239; 20110059005
URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220110059005%22.PGNR.&OS=DN/20110059005&RS=DN/20110059005

Iron nitride magnetic powder and method of producing the powder
patent-application, September 2005

Masada, Kenji; Amino, Takafumi; Nagatomi, Akira
US Patent Application 11/064939; 20050208320
URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220050208320%22.PGNR.&OS=DN/20050208320&RS=DN/20050208320

Process for the production of an anisotropic magnetic material based upon the Sm-Fe-N system
patent, August 1992

Wecker, Joachim; Schultz, Ludwig; Katter, Matthias
US Patent Document 5,137,588
URL: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5137588

Similar Records in DOE Patents and OSTI.GOV collections:

Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy

Patent Wang, Jian-Ping; Jiang, Yanfeng

A hard magnetic material includes α″ Fe16N2. In some examples, the hard magnetic material may be formed by a technique utilizing chemical vapor deposition or liquid phase epitaxy.
Full Text Available
Iron nitride materials and magnets including iron nitride materials

Patent Wang, Jian-Ping; Jiang, Yanfeng

The disclosure describes magnetic materials including iron nitride, bulk permanent magnets including iron nitride, techniques for forming magnetic materials including iron nitride, and techniques for forming bulk permanent magnets including iron nitride.
Full Text Available
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet

Patent Wang, Jian-Ping; Jiang, Yanfeng

A bulk permanent magnetic material may include between about 5 volume percent and about 40 volume percent Fe16N2 phase domains, a plurality of nonmagnetic atoms or molecules forming domain wall pinning sites, and a balance soft magnetic material, wherein at least some of the soft magnetic material is magnetically coupled to the Fe16N2 phase domains via exchange spring coupling. In some examples, a bulk permanent magnetic material may be formed by implanting N+ ions in an iron workpiece using ion implantation to form an iron nitride workpiece, pre-annealing the iron nitride workpiece to attach the iron nitride workpiece to amore »« less
Full Text Available
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet

Patent Wang, Jianping; Jiang, Yanfeng

A bulk permanent magnetic material may include between about 5 volume percent and about 40 volume percent Fe16N2 phase domains, a plurality of nonmagnetic atoms or molecules forming domain wall pinning sites, and a balance soft magnetic material, wherein at least some of the soft magnetic material is magnetically coupled to the Fe16N2 phase domains via exchange spring coupling. In some examples, a bulk permanent magnetic material may be formed by implanting N+ ions in an iron workpiece using ion implantation to form an iron nitride workpiece, pre-annealing the iron nitride workpiece to attach the iron nitride workpiece to amore »« less
Full Text Available
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet

Patent Wang, Jian-Ping; He, Shihai; Jiang, Yanfeng

A permanent magnet may include a Fe₁₆N₂ phase constitution. In some examples, the permanent magnet may be formed by a technique that includes straining an iron wire or sheet comprising at least one iron crystal in a direction substantially parallel to a <001> crystal axis of the iron crystal; nitridizing the iron wire or sheet to form a nitridized iron wire or sheet; annealing the nitridized iron wire or sheet to form a Fe₁₆N₂ phase constitution in at least a portion of the nitridized iron wire or sheet; and pressing the nitridized iron wires and sheets to form bulk permanentmore » magnet.« less
Full Text Available

Similar Records

Title: Multilayer iron nitride hard magnetic materials

Abstract

Citation Formats

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet patent, July 2017

Zero-cross-pre-distortion (ZCPD) algorithm for DTC based polar DTx patent, July 2018

Inductor including alpha″-Fe16Z2 or alpha″-Fe16(NxZ1-x)2, where Z includes at least one of C, B, or O patent, June 2018

Magnetic recording medium containing particles with a core containing a Fe16N2 phase patent, July 2007

Nanostructured High-Strength Permanent Magnets patent-application, May 2014

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet patent, September 2018

Method for producing iron-nitride powders patent, July 1994

Magnetic thin film, production method therefor, evaluation method therefor and magnetic head using it, magnetic recording device and magnetic device patent, January 2005

Magnetic powder, permanent magnet produced therefrom and process for producing them patent, October 2000

Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel patent, August 2004

Object consolidation employing friction joining patent, October 2002

Method of improving magnetic devices by applying AC or pulsed current patent, July 1991

Soft magnetic thin film comprising alternate layers of iron carbide with either iron, iron nitride or iron carbon-nitride patent, November 1991

Magnetic material and production method thereof patent, November 2001

R-Fe-B magnet alloy, isotropic bonded magnet and method of producing same patent, September 1995

Magnetic annealing of magnetic alloys in a dynamic magnetic field patent, April 2001

Iron nitride powders for use in magnetic, electromagnetic, and microelectronic devices patent-application, March 2011

Iron nitride magnetic powder and method of producing the powder patent-application, September 2005

Process for the production of an anisotropic magnetic material based upon the Sm-Fe-N system patent, August 1992

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
patent, July 2017

Zero-cross-pre-distortion (ZCPD) algorithm for DTC based polar DTx
patent, July 2018

Inductor including alpha″-Fe16Z2 or alpha″-Fe16(NxZ1-x)2, where Z includes at least one of C, B, or O
patent, June 2018

Magnetic recording medium containing particles with a core containing a Fe16N2 phase
patent, July 2007

Nanostructured High-Strength Permanent Magnets
patent-application, May 2014

Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
patent, September 2018

Method for producing iron-nitride powders
patent, July 1994

Magnetic thin film, production method therefor, evaluation method therefor and magnetic head using it, magnetic recording device and magnetic device
patent, January 2005

Magnetic powder, permanent magnet produced therefrom and process for producing them
patent, October 2000

Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel
patent, August 2004

Object consolidation employing friction joining
patent, October 2002

Method of improving magnetic devices by applying AC or pulsed current
patent, July 1991

Soft magnetic thin film comprising alternate layers of iron carbide with either iron, iron nitride or iron carbon-nitride
patent, November 1991

Magnetic material and production method thereof
patent, November 2001

R-Fe-B magnet alloy, isotropic bonded magnet and method of producing same
patent, September 1995

Magnetic annealing of magnetic alloys in a dynamic magnetic field
patent, April 2001

Iron nitride powders for use in magnetic, electromagnetic, and microelectronic devices
patent-application, March 2011

Iron nitride magnetic powder and method of producing the powder
patent-application, September 2005

Process for the production of an anisotropic magnetic material based upon the Sm-Fe-N system
patent, August 1992