CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Structural, Mössbauer spectroscopy, magnetic properties, and thermal measurements of Y3-xDyxFe5O12 |
Mahdi Lataifeh1, Qassem I Mohaidat1, Sami H Mahmood2, Ibrahim Bsoul3, Mufeed Awawdeh1, Ibrahim Abu-Aljarayesh1, Mu'ath Altheeba1 |
1 Physics Department, Yarmouk University, Irbid 21163, Jordan;
2 Physics Department, The University of Jordan, Amman 11942, Jordan;
3 Physics Department, Al al-Bayt University, Mafraq 13040, Jordan |
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Abstract Yttrium iron garnet powder samples (Y3-xDyxFe5O12), where part of yttrium ions are substituted by dysprosium ions with different concentrations are prepared by the solid state reaction method. The properties of the prepared samples are examined by different methods such as x-ray diffraction (XRD), Mössbauer spectroscopy, macroscopic magnetization measurements, and thermal measurements. The XRD measurements show that all the samples reveal the presence of a single garnet phase with a BCC structure. Room temperature Mössbauer spectra indicate that iron ions occupy three magnetic sites, i.e., two octahedral sites and one tetrahedral site. The saturation magnetization and the initial magnetic susceptibility decrease with the increase of Dy3+ substitution. The Curie temperature obtained from the thermal measurements seems to be independent of Dy3+ substitution.
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Received: 06 January 2018
Revised: 01 July 2018
Accepted manuscript online:
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PACS:
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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81.70.Pg
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(Thermal analysis, differential thermal analysis (DTA), differential thermogravimetric analysis)
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82.80.Ej
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(X-ray, M?ssbauer, and other γ-ray spectroscopic analysis methods)
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Fund: Project supported by the Deanship of Research and Graduate Studies of Yarmouk University (Garnet No. 33/2015). |
Corresponding Authors:
Qassem I Mohaidat
E-mail: q.muhaidat@yu.edu.jo
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Cite this article:
Mahdi Lataifeh, Qassem I Mohaidat, Sami H Mahmood, Ibrahim Bsoul, Mufeed Awawdeh, Ibrahim Abu-Aljarayesh, Mu'ath Altheeba Structural, Mössbauer spectroscopy, magnetic properties, and thermal measurements of Y3-xDyxFe5O12 2018 Chin. Phys. B 27 107501
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