Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process

The effects of substitution of Zr and Ga on the structural and magnetic properties of Dy<sub>2</sub>Fe<sub>17 </sub>intermetallic compound were investigated in this study. The Rietveld analysis confirmed that the crystalline system was a Th<sub>2</sub>Ni<sub>...

Full description

Bibliographic Details
Main Authors: Jiba Nath Dahal, K.S. Syed Ali, S.R. Mishra, Dipesh Neupane
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Magnetochemistry
Subjects:
Online Access:https://www.mdpi.com/2312-7481/6/1/9
id doaj-421ce32e7a4e4a8a90d85124099f6b22
record_format Article
spelling doaj-421ce32e7a4e4a8a90d85124099f6b222020-11-25T00:31:11ZengMDPI AGMagnetochemistry2312-74812020-02-0161910.3390/magnetochemistry6010009magnetochemistry6010009Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting ProcessJiba Nath Dahal0K.S. Syed Ali1S.R. Mishra2Dipesh Neupane3Department of Physics and Astronomy, Truman State University, Kirksville, MO 63501, USADepartment of Science, Harmony Science Academy, 12005 Forestgate Dr., Dallas, TX-75243, USADepartment of Physics and Materials Science, University of Memphis, Memphis, TN 38152, USADepartment of Physics and Materials Science, University of Memphis, Memphis, TN 38152, USAThe effects of substitution of Zr and Ga on the structural and magnetic properties of Dy<sub>2</sub>Fe<sub>17 </sub>intermetallic compound were investigated in this study. The Rietveld analysis confirmed that the crystalline system was a Th<sub>2</sub>Ni<sub>17</sub> structure. Lattice parameters <i>a</i> (&#197;) and <i>c</i> (&#197;), unit cell volume (&#197;<sup>3</sup>), and bonding distance (&#197;) were calculated using Rietveld analysis. The unit cell volume of Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub> increased linearly with Zr and Ga substitution. The Curie temperature (Tc) of Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub> was found to be Zr content-dependent. The maximum Curie temperatures were observed at 510 K (<i>x</i> = 0.75 Zr content) for Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and 505.1 K (<i>x</i> = 0.5 Zr content) for Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub>, which are 102 K and 97 K higher than the value found for Dy<sub>2</sub>Fe<sub>17</sub>, respectively. The room-temperature M&#246;ssbauer analysis showed a decrease in the average hyperfine field and increases in the isomer shift with Zr doping. The overall improvement in Curie temperature with the substitution strategy of Zr&#8722;Ga substitution in 2:17 intermetallic compounds could find potential use of these magnetic compounds in high-temperature applications.https://www.mdpi.com/2312-7481/6/1/9permanent magnetic materials2:17 intermetallicx-ray diffractionrietveld analysismössbauer spectroscopycurie temperaturesoft magnetdoping
collection DOAJ
language English
format Article
sources DOAJ
author Jiba Nath Dahal
K.S. Syed Ali
S.R. Mishra
Dipesh Neupane
spellingShingle Jiba Nath Dahal
K.S. Syed Ali
S.R. Mishra
Dipesh Neupane
Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
Magnetochemistry
permanent magnetic materials
2:17 intermetallic
x-ray diffraction
rietveld analysis
mössbauer spectroscopy
curie temperature
soft magnet
doping
author_facet Jiba Nath Dahal
K.S. Syed Ali
S.R. Mishra
Dipesh Neupane
author_sort Jiba Nath Dahal
title Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
title_short Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
title_full Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
title_fullStr Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
title_full_unstemmed Effect of Ga and Zr Substitution on the Properties of Dy<sub>2</sub>Fe<sub>17−X</sub>Zr<sub>X </sub>and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1−x</sub>Zr<sub>x</sub> (0 ≤ x ≤ 1) Intermetallic Compounds Prepared via Arc Melting Process
title_sort effect of ga and zr substitution on the properties of dy<sub>2</sub>fe<sub>17−x</sub>zr<sub>x </sub>and dy<sub>2</sub>fe<sub>16</sub>ga<sub>1−x</sub>zr<sub>x</sub> (0 ≤ x ≤ 1) intermetallic compounds prepared via arc melting process
publisher MDPI AG
series Magnetochemistry
issn 2312-7481
publishDate 2020-02-01
description The effects of substitution of Zr and Ga on the structural and magnetic properties of Dy<sub>2</sub>Fe<sub>17 </sub>intermetallic compound were investigated in this study. The Rietveld analysis confirmed that the crystalline system was a Th<sub>2</sub>Ni<sub>17</sub> structure. Lattice parameters <i>a</i> (&#197;) and <i>c</i> (&#197;), unit cell volume (&#197;<sup>3</sup>), and bonding distance (&#197;) were calculated using Rietveld analysis. The unit cell volume of Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub> increased linearly with Zr and Ga substitution. The Curie temperature (Tc) of Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub> was found to be Zr content-dependent. The maximum Curie temperatures were observed at 510 K (<i>x</i> = 0.75 Zr content) for Dy<sub>2</sub>Fe<sub>17&#8722;x</sub>Zr<sub>x</sub> and 505.1 K (<i>x</i> = 0.5 Zr content) for Dy<sub>2</sub>Fe<sub>16</sub>Ga<sub>1&#8722;x</sub>Zr<sub>x</sub>, which are 102 K and 97 K higher than the value found for Dy<sub>2</sub>Fe<sub>17</sub>, respectively. The room-temperature M&#246;ssbauer analysis showed a decrease in the average hyperfine field and increases in the isomer shift with Zr doping. The overall improvement in Curie temperature with the substitution strategy of Zr&#8722;Ga substitution in 2:17 intermetallic compounds could find potential use of these magnetic compounds in high-temperature applications.
topic permanent magnetic materials
2:17 intermetallic
x-ray diffraction
rietveld analysis
mössbauer spectroscopy
curie temperature
soft magnet
doping
url https://www.mdpi.com/2312-7481/6/1/9
work_keys_str_mv AT jibanathdahal effectofgaandzrsubstitutiononthepropertiesofdysub2subfesub17xsubzrsubxsubanddysub2subfesub16subgasub1xsubzrsubxsub0x1intermetalliccompoundspreparedviaarcmeltingprocess
AT kssyedali effectofgaandzrsubstitutiononthepropertiesofdysub2subfesub17xsubzrsubxsubanddysub2subfesub16subgasub1xsubzrsubxsub0x1intermetalliccompoundspreparedviaarcmeltingprocess
AT srmishra effectofgaandzrsubstitutiononthepropertiesofdysub2subfesub17xsubzrsubxsubanddysub2subfesub16subgasub1xsubzrsubxsub0x1intermetalliccompoundspreparedviaarcmeltingprocess
AT dipeshneupane effectofgaandzrsubstitutiononthepropertiesofdysub2subfesub17xsubzrsubxsubanddysub2subfesub16subgasub1xsubzrsubxsub0x1intermetalliccompoundspreparedviaarcmeltingprocess
_version_ 1725323190378430464