Structural and magnetic properties of transition metal doped BaTiO3

Multiferroics are materials having more than one kind of ordering. Here, we have investigated the effect of 3d transition metal doping at Ti site on structural and magnetic properties of BaTiO3. The evolution of crystal structure by doping different transition metals was analyzed by X-ray diffractio...

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Bibliographic Details
Main Authors: Kumar, Ankit, Poojitha, Bommareddy, Rathore, Anjali, Saha, Surajit
Format: Conference Proceeding
Language:English
Subjects:
Barium titanates
Chromium
Crystal structure
Doping
Ferromagnetism
High temperature
Iron
Magnetic properties
Magnetism
Manganese
Nickel compounds
Room temperature
Titanium
Transition metals
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Summary:Multiferroics are materials having more than one kind of ordering. Here, we have investigated the effect of 3d transition metal doping at Ti site on structural and magnetic properties of BaTiO3. The evolution of crystal structure by doping different transition metals was analyzed by X-ray diffraction and Raman spectroscopic techniques. It was observed that the compounds with M = Mn, Co, and Ni are stabilized in single phase 6H-type hexagonal structure whereas for M = Fe and Cr stabilize in double (Tetragonal and 6H), and triple phases (Tetragonal, cubic and 6H), respectively. The strain induced at B-site by chemical doping play an important role in crystal phase stabilization. The Mn, Co, and Ni doped compounds remain paramagnetic down to 2 K. However, Cr and Fe doping give rise to weak ferromagnetism at room temperature. Interestingly, Fe doping results the ferromagnetic transition at high temperature of 680 K.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0016737