中国物理B ›› 2018, Vol. 27 ›› Issue (10): 107501-107501.doi: 10.1088/1674-1056/27/10/107501
• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇 下一篇
Structural, Mössbauer spectroscopy, magnetic properties, and thermal measurements of Y3-xDyxFe5O12
Mahdi Lataifeh, Qassem I Mohaidat, Sami H Mahmood, Ibrahim Bsoul, Mufeed Awawdeh, Ibrahim Abu-Aljarayesh, Mu'ath Altheeba
- 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
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
摘要：
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.
中图分类号: (Magnetization curves, hysteresis, Barkhausen and related effects)
- 75.60.Ej