A study on the spectral, microstructural, and magnetic properties of Eu-Nd double-substituted Ba0.5Sr0.5Fe12O19 hexaferrites synthesized by an ultrasonic-assisted approach

被引：39

作者：

Almessiere, M. A. ^{[1
,2
]}

Slimani, Y. ^{[1
]}

Korkmaz, A. Demir ^{[3
]}

Baykal, A. ^{[4
]}

Albetran, H. ^{[5
]}

Saleh, Tawfik A. ^{[6
]}

Sertkol, M. ^{[7
]}

Ercan, I ^{[1
]}

机构：

[1] Imam Abdulrahman Bin Faisal Univ, IRMC, Dept Biophys, POB 1982, Dammam 31441, Saudi Arabia

[2] Imam Abdulrahman Bin Faisal Univ, Coll Sci, Dept Phys, POB 1982, Dammam 31441, Saudi Arabia

[3] Istanbul Medeniyet Univ, Dept Chem, TR-34700 Istanbul, Uskudar, Turkey

[4] Imam Abdulrahman Bin Faisal Univ, IRMC, Dept Nanomed Res, POB 1982, Dammam 31441, Saudi Arabia

[5] Imam Abdulrahman Bin Faisal Univ, Coll Educ, Dept Basic Sci, POB 1982, Dammam 31441, Saudi Arabia

[6] KFUPM, Dept Chem, Dhahran, Saudi Arabia

[7] Imam Abdulrahman Bin Faisal Univ, Deanship Preparatory Year, POB 1982, Dammam 31441, Saudi Arabia

来源：

ULTRASONICS SONOCHEMISTRY | 2020年 / 62卷

关键词：

Ultrasonic sonochemistry; M-type hexaferrites; Rare earth doping; BET analysis; Magnetic belongings; ANTIBACTERIAL BIOMEDICAL ACTIVITY; AC SUSCEPTIBILITY; HYPERFINE INTERACTIONS; IONS; IMPACT;

D O I：

10.1016/j.ultsonch.2019.104847

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this study, an examination on the spectral, microstructural, and magnetic characteristics of Eu-Nd double-substituted Ba0.5Sr0.5Fe12O19 hexaferrites (Ba0.5Sr0.5NdxEuxFe12-2xO19 (x = 0.00-0.05) HFs) fabricated by an ultrasonic-assisted approach has been presented. An UZ SONOPULS HD 2070 ultrasonic homogenizer with frequency of 20 kHz and power of 70 W was used. The chemical bonding, structure and the morphology of the products were evaluated by Fourier-Transform Infrared (FT-IR) Spectroscopy, XRD (X-ray diffraction), scanning and transmission electron microscopy and techniques. The textural properties of the prepared nanomaterials were examined by using the Brunauer-Emmett-Teller (BET) method. The magnetic properties were studied using a vibrating sample magnetometer (VSM) at room temperature (RT) and low temperature 10 K. The magnitudes of various magnetic parameters including M-s (saturation magnetization), M-r (remanence) and H-c (coercivity) were estimated and evaluated. The M-H loops revealed the hard ferrimagnetic nature for all products at both temperatures. The M-s and M-r values showed a decreasing tendency with increasing degree of Eu3+ and Nd3+ substitutions whereas H-c values displayed an increasing trend. At RT, M-s, M-r and H-c values lie in the ranges of 63.0-68.8 emu.g(-1), 24.6-39.2 emu.g(-1) and 2252.4-2782.1 Oe, respectively. At 10K, the values of M-s, M-r and H-c lie between 87.5-97.1 emu.g(-1), 33.5-40.1 emu.g(-1) and 2060.6-2417.2 Oe, respectively. The observed magnetic properties make the prepared products promising candidates to be applied in the recording media.

引用

页数：10

共 42 条

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