57Fe Mossbauer study of Zn doped cobalt based (Co2Y) Y-type Ba0.5Sr1.5Co2Fe12O22 hexaferrites

被引：1

作者：

Manendar, M. ^{[1
]}

Reddy, Ch Gopal ^{[1
]}

Raja, Manivel ^{[2
]}

Reddy, M. Sreenath ^{[1
]}

Reddy, P. Yadagiri ^{[1
]}

Reddy, V. Raghavendra ^{[3
]}

机构：

[1] Osmania Univ, Univ Coll Sci, Phys Dept, Hyderabad 500007, India

[2] Def Met Res Lab, Hyderabad 500058, India

[3] UGC DAE Consortium Sci Res, Univ Campus,Khandwa Rd, Indore 452001, India

来源：

HYPERFINE INTERACTIONS | 2021年 / 242卷 / 01期

关键词：

Hexaferrites; Mossbauer spectroscopy; MAGNETIC-PROPERTIES; LOCATION; FERRITES;

D O I：

10.1007/s10751-021-01752-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

In the present work, polycrystalline Y-type Ba0.5Sr1.5Co2-xZnxFe12O22 (X = 0, 0.5, 1 & 2) hexa-ferrites prepared by the sol-gel auto combustion method are investigated by x-ray diffraction (XRD), Fe-57 Mossbauer spectroscopy (MS) and magnetization measurements. XRD data confirms the single-phase formation for x = 0 and 0.5; however, with further increase in Zn concentration secondary phases are observed. The in-field Mossbauer data measured at low temperature (5K) indicates that there is a re-distribution of Fe3+ ions in the studied samples, with the substituted Zn2+ preferentially going to 6C(IV), 6C(IV *) sites.

引用

页数：9

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