Synthesis of α′′-Fe
              16
              N
              2
              ribbons with a porous structure

Jinming Liu; Guannan Guo; Fan Zhang; Yiming Wu; Bin Ma; Jian-ping Wang

doi:10.1039/C9NA00008A

Synthesis of α′′-Fe 16 N 2 ribbons with a porous structure

Jinming Liu, Guannan Guo, Fan Zhang, Yiming Wu, Bin Ma, Jian-ping Wang

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The microstructure of FeCuB ribbons (∼20 μm thick) was modified to fabricate α′′-Fe ₁₆N ₂ at a temperature as low as 160 °C. The ribbon samples were heat treated first at a temperature reaching 930 °C and then quenched down to room temperature. During the heat treatment, ribbon samples were oxidized, and hydrogen reduction was then conducted to remove the oxygen from the ribbon samples. The reduced ribbon samples had a porous structure, which improved the nitrogen diffusion efficiency and decreased the fabrication temperature of α′′-Fe ₁₆N ₂ down to 160 °C. It was demonstrated that the techniques for microstructure control in this method including oxidation and reduction helped obtain the α′′-Fe ₁₆N ₂ phase with high coercivity, thus manifesting this could be a promising technique for low-temperature nitridation on ribbons in general.

Original language	English (US)
Pages (from-to)	1337-1342
Number of pages	6
Journal	Nanoscale Advances
Volume	1
Issue number	4
DOIs	https://doi.org/10.1039/C9NA00008A
State	Published - 2019

Bibliographical note

Funding Information:
Parts of this work were carried out in the Characterization Facility, University of Minnesota, which is partially supported by the National Science Foundation through the University of Minnesota MRSEC under Award Number DMR-1420013. Authors thank the partial support from the Institute for Rock Magnetism, Department of Earth Science, University of Minnesota, Twin Cities, for the use of instruments. We are grateful to Dr John Larson and Mr Chad Carda of Niron Magnetics Inc. for their help in ribbon preparation.

Publisher Copyright:
© 2019 The Royal Society of Chemistry.

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10.1039/C9NA00008A

http://xlink.rsc.org/?DOI=C9NA00008A

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@article{c3b43d0c6f0a4d08afebeae1827a3c18,

title = "Synthesis of α′′-Fe 16 N 2 ribbons with a porous structure",

abstract = "The microstructure of FeCuB ribbons (∼20 μm thick) was modified to fabricate α′′-Fe 16N 2 at a temperature as low as 160 °C. The ribbon samples were heat treated first at a temperature reaching 930 °C and then quenched down to room temperature. During the heat treatment, ribbon samples were oxidized, and hydrogen reduction was then conducted to remove the oxygen from the ribbon samples. The reduced ribbon samples had a porous structure, which improved the nitrogen diffusion efficiency and decreased the fabrication temperature of α′′-Fe 16N 2 down to 160 °C. It was demonstrated that the techniques for microstructure control in this method including oxidation and reduction helped obtain the α′′-Fe 16N 2 phase with high coercivity, thus manifesting this could be a promising technique for low-temperature nitridation on ribbons in general. ",

author = "Jinming Liu and Guannan Guo and Fan Zhang and Yiming Wu and Bin Ma and Jian-ping Wang",

note = "Funding Information: Parts of this work were carried out in the Characterization Facility, University of Minnesota, which is partially supported by the National Science Foundation through the University of Minnesota MRSEC under Award Number DMR-1420013. Authors thank the partial support from the Institute for Rock Magnetism, Department of Earth Science, University of Minnesota, Twin Cities, for the use of instruments. We are grateful to Dr John Larson and Mr Chad Carda of Niron Magnetics Inc. for their help in ribbon preparation. Publisher Copyright: {\textcopyright} 2019 The Royal Society of Chemistry.",

year = "2019",

doi = "10.1039/C9NA00008A",

language = "English (US)",

volume = "1",

pages = "1337--1342",

journal = "Nanoscale Advances",

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publisher = "Royal Society of Chemistry",

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TY - JOUR

T1 - Synthesis of α′′-Fe 16 N 2 ribbons with a porous structure

AU - Liu, Jinming

AU - Guo, Guannan

AU - Zhang, Fan

AU - Wu, Yiming

AU - Ma, Bin

AU - Wang, Jian-ping

N1 - Funding Information: Parts of this work were carried out in the Characterization Facility, University of Minnesota, which is partially supported by the National Science Foundation through the University of Minnesota MRSEC under Award Number DMR-1420013. Authors thank the partial support from the Institute for Rock Magnetism, Department of Earth Science, University of Minnesota, Twin Cities, for the use of instruments. We are grateful to Dr John Larson and Mr Chad Carda of Niron Magnetics Inc. for their help in ribbon preparation. Publisher Copyright: © 2019 The Royal Society of Chemistry.

PY - 2019

Y1 - 2019

N2 - The microstructure of FeCuB ribbons (∼20 μm thick) was modified to fabricate α′′-Fe 16N 2 at a temperature as low as 160 °C. The ribbon samples were heat treated first at a temperature reaching 930 °C and then quenched down to room temperature. During the heat treatment, ribbon samples were oxidized, and hydrogen reduction was then conducted to remove the oxygen from the ribbon samples. The reduced ribbon samples had a porous structure, which improved the nitrogen diffusion efficiency and decreased the fabrication temperature of α′′-Fe 16N 2 down to 160 °C. It was demonstrated that the techniques for microstructure control in this method including oxidation and reduction helped obtain the α′′-Fe 16N 2 phase with high coercivity, thus manifesting this could be a promising technique for low-temperature nitridation on ribbons in general.

AB - The microstructure of FeCuB ribbons (∼20 μm thick) was modified to fabricate α′′-Fe 16N 2 at a temperature as low as 160 °C. The ribbon samples were heat treated first at a temperature reaching 930 °C and then quenched down to room temperature. During the heat treatment, ribbon samples were oxidized, and hydrogen reduction was then conducted to remove the oxygen from the ribbon samples. The reduced ribbon samples had a porous structure, which improved the nitrogen diffusion efficiency and decreased the fabrication temperature of α′′-Fe 16N 2 down to 160 °C. It was demonstrated that the techniques for microstructure control in this method including oxidation and reduction helped obtain the α′′-Fe 16N 2 phase with high coercivity, thus manifesting this could be a promising technique for low-temperature nitridation on ribbons in general.

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VL - 1

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EP - 1342

JO - Nanoscale Advances

JF - Nanoscale Advances

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ER -

Synthesis of α′′-Fe 16 N 2 ribbons with a porous structure

Abstract

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University of Minnesota MRSEC (DMR-1420013)

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Synthesis of α′′-Fe 16 N 2 ribbons with a porous structure

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Bibliographical note

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University of Minnesota MRSEC (DMR-1420013)

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