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Imaging of Strain Driven Magnetic Domains and Strong Spin-Phonon Coupling in Epitaxial Thin Films of SrRuO3
Shekhar Tyagi, V. G. Sathe, Gaurav Sharma +3
Epitaxial thin films of SrRuO3 with large strain disorder were grown using pulsed laser deposition method which showed two distinct transition temperatures in Magnetic measurements…
Phonon Invisibility Driven by Robust Magneto-Elastic Coupling in AlFeO3 Thin Film
Shekhar Tyagi, Gaurav Sharma, R. J. Choudhary +1
The thin films of lead free magneto-electric compound AlFeO3 have been deposited using pulsed laser deposition technique. X-ray diffraction, X-ray absorption spectroscopy and refle…
Spin-lattice coupling mediated giant magnetodielectricity across the spin reorientation in Ca2FeCoO5
Gaurav Sharma, Shekhar Tyagi, V. R. Reddy +4
The structural, phonon, magnetic, dielectric, and magneto dielectric responses of the pure bulk Brownmillerite compound Ca2FeCoO5 are reported. This compound showed giant magneto d…
Raman spectroscopic investigation of relaxor behavior in Pr doped SrTiO3 and Origin of Fano resonance
Vivek Dwij, Binoy Krishna De, Shekhar Tyagi +2
Detailed Raman spectroscopy studies on polycrystalline Sr1-xPrxTiO3 (x=0.01, 0.025, 0.05, 0.075, 0.09, 0.13, 0.15, 0.17) samples are reported elucidating the microscopic mechanism…