Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption

Bora, Pritom J.; Harstad, S. M.; Gupta, S.; Pecharsky, V. K.; Vinoy, K. J.; Ramamurthy, Praveen C.; Hadimani, R. L.

doi:10.1088/2053-1591/aafd55

Title: Gadolinium silicide (Gd₅Si₄) nanoparticles for tuneable broad band microwave absorption

Abstract

We report that soft magnetic Gd₅Si₄ nanoparticles exhibit excellent microwave absorption in the Ku-band (12.4-18 GHz) when dispersed in poly (dimethyl siloxane), PDMS. The minimum experimentally recorded reflection loss (RL) of Gd₅Si₄-PDMS nanocomposite is -69 dB, with a large bandwidth for a single 6 mm-thick layer. The bandwidth can be further extended by using a novel design where 1 mm-thick layers of the nanocomposite are arranged into a modified pyramid-shaped absorber. Standard electromagnetic (EM) simulations confirm experimental results.

Authors:

Bora, Pritom J. ^[1]; Harstad, S. M. ^[2]; Gupta, S. ^[3];

^[4]; Vinoy, K. J. ^[1];

^[1]; Hadimani, R. L. ^[5]

Indian Institute of Science (India)
Virginia Commonwealth Univ., Richmond, VA (United States)
Ames Lab., Ames, IA (United States)
Ames Lab. and Iowa State Univ., Ames, IA (United States)
Virginia Commonwealth Univ., Richmond, VA (United States); Iowa State Univ., Ames, IA (United States)

Publication Date:: 2019-01-10

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division

OSTI Identifier:: 1501618

Report Number(s):: IS-J-9907
Journal ID: ISSN 2053-1591

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: Materials Research Express (Online)

Additional Journal Information:: Journal Name: Materials Research Express (Online); Journal Volume: 6; Journal Issue: 5; Journal ID: ISSN 2053-1591

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Bora, Pritom J., Harstad, S. M., Gupta, S., Pecharsky, V. K., Vinoy, K. J., Ramamurthy, Praveen C., and Hadimani, R. L. Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption.  United States: N. p., 2019. 
        Web.  doi:10.1088/2053-1591/aafd55.

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                    Bora, Pritom J., Harstad, S. M., Gupta, S., Pecharsky, V. K., Vinoy, K. J., Ramamurthy, Praveen C., & Hadimani, R. L. Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption.  United States.  doi:https://doi.org/10.1088/2053-1591/aafd55

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                    Bora, Pritom J., Harstad, S. M., Gupta, S., Pecharsky, V. K., Vinoy, K. J., Ramamurthy, Praveen C., and Hadimani, R. L. Thu .  
        "Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption".  United States.  doi:https://doi.org/10.1088/2053-1591/aafd55.  https://www.osti.gov/servlets/purl/1501618.

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@article{osti_1501618,

  title        = {Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption},

  author       = {Bora, Pritom J. and Harstad, S. M. and Gupta, S. and Pecharsky, V. K. and Vinoy, K. J. and Ramamurthy, Praveen C. and Hadimani, R. L.},

  abstractNote = {We report that soft magnetic Gd5Si4 nanoparticles exhibit excellent microwave absorption in the Ku-band (12.4-18 GHz) when dispersed in poly (dimethyl siloxane), PDMS. The minimum experimentally recorded reflection loss (RL) of Gd5Si4-PDMS nanocomposite is -69 dB, with a large bandwidth for a single 6 mm-thick layer. The bandwidth can be further extended by using a novel design where 1 mm-thick layers of the nanocomposite are arranged into a modified pyramid-shaped absorber. Standard electromagnetic (EM) simulations confirm experimental results.},

  doi          = {10.1088/2053-1591/aafd55},

  journal      = {Materials Research Express (Online)},

  number       = 5,

  volume       = 6,

  place        = {United States},

  year         = {2019},

  month        = {1}

}

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DOI: https://doi.org/10.1088/2053-1591/aafd55

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Title: Gadolinium silicide (Gd5Si4) nanoparticles for tuneable broad band microwave absorption

Abstract

Citation Formats

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Title: Gadolinium silicide (Gd₅Si₄) nanoparticles for tuneable broad band microwave absorption

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journal, February 2009

Ferromagnetic microwires enabled multifunctional composite materials
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Industrial waste fly ash cenosphere composites based broad band microwave absorber
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Trends in radar absorbing materials technology
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Constructing hierarchical hollow CuS microspheres via a galvanic replacement reaction and their use as wide-band microwave absorbers
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Microwave absorbing properties of NiZn-ferrite synthesized from waste iron oxide catalyst
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Enhanced microwave absorption properties in cobalt–zinc ferrite based nanocomposites
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Recent advances on the electromagnetic wave absorption properties of Ni based materials
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Facile synthesis of yolk–shell Ni@void@SnO2(Ni3Sn2) ternary composites via galvanic replacement/Kirkendall effect and their enhanced microwave absorption properties
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A novel sponge-like 2D Ni/derivative heterostructure to strengthen microwave absorption performance
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Synthesis and characterization of hybrid conducting composites based on polyaniline/magnetite fillers with improved microwave absorption properties
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Thermal, dielectric and microwave absorption properties of polyaniline–CoFe2O4 nanocomposites
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Ti ₃ C ₂ MXenes with Modified Surface for High-Performance Electromagnetic Absorption and Shielding in the X-Band
journal, August 2016

Growth and characterization of Pt-protected Gd₅Si₄ thin films
journal, May 2014

Investigating phase transition temperatures of size separated gadolinium silicide magnetic nanoparticles
journal, May 2018

Growth and characterisation of Gd ₅ (Si _x Ge _1−x ) ₄ thin film
journal, May 2013

Investigation of Room Temperature Ferromagnetic Nanoparticles of Gd ₅ Si ₄
journal, November 2015

Yolk–Shell Ni@SnO 2 Composites with a Designable Interspace To Improve the Electromagnetic Wave Absorption Properties
journal, October 2016

Microwave properties of the single-layer periodic structure composites composed of ethylene-vinyl acetate and polycrystalline iron fibers
journal, September 2017

Interface Polarization Strategy to Solve Electromagnetic Wave Interference Issue
journal, February 2017

Preparation and microwave absorption mechanisms of the NiZn ferrite nanofibers
journal, April 2015

Morphology controllable microwave absorption property of polyvinylbutyral (PVB)-MnO 2 nanocomposites
journal, January 2018

Silica-coated iron nanoparticles: Shape-controlled synthesis, magnetism and microwave absorption properties
journal, March 2010

Flowerlike iron oxide nanostructures and their application in microwave absorption
journal, May 2015

Magnetic γ-Fe 2 O 3 , Fe 3 O 4 , and Fe nanoparticles confined within ordered mesoporous carbons as efficient microwave absorbers
journal, January 2015

A novel rod-like MnO 2 @Fe loading on graphene giving excellent electromagnetic absorption properties
journal, January 2015

Electromagnetic and microwave absorbing properties of iron fibre-epoxy resin composites
journal, September 2000

Ternary nanocomposites of graphene@SiO2@NiO nanoflowers: synthesis and their microwave electromagnetic properties
journal, August 2013

Facile Synthesis, Characterization, and Microwave Absorbability of CoO Nanobelts and Submicrometer Spheres
journal, April 2009

Laminated magnetic graphene with enhanced electromagnetic wave absorption properties
journal, January 2013

X-Band microwave characterization of carbon-based nanocomposite material, absorption capability comparison and RAS design simulation
journal, February 2010

Poly(vinyl butyral) -polyaniline-magnetically functionalized fly ash cenosphere composite film for electromagnetic interference shielding
journal, December 2016

Broadening Electromagnetic Absorption Bandwidth: Design from Microscopic Dielectric-Magnetic Coupled Absorbers to Macroscopic Patterns
journal, October 2017

Magnetocaloric Effect of Micro- and Nanoparticles of Gd5Si4
journal, July 2019