Room-temperature multiferroicity in GaFeO3 thin film grown on (100)Si substrate

Autor: Sudipta Goswami, Shubhankar Mishra, Kausik Dana, Ashok Kumar Mandal, Nitai Dey, Prabir Pal, Biswarup Satpati, Mrinmay Mukhopadhyay, Chandan Kumar Ghosh, Dipten Bhattacharya
Rok vydání: 2022
Předmět:
Zdroj: Web of Science
ISSN: 1089-7550
0021-8979
DOI: 10.1063/5.0123397
Popis: Room-temperature magnetoelectric multiferroicity has been observed in c-axis oriented GaFeO$_3$ thin films (space group $Pna2_1$), grown on economic and technologically important (100)Si substrates by pulsed laser deposition technique. Structural analysis and comprehensive mapping of Ga:Fe ratio across a length scale range of 10$^4$ reveal coexistence of epitaxial and chemical strain. It induces formation of finer magnetic domains and large magnetoelectric coupling - decrease in remanent polarization by $\sim$21\% under $\sim$50 kOe. Magnetic force microscopy reveals presence of both finer ($
8 pages, 9 figures, accepted for publication in J. Appl. Phys
Databáze: OpenAIRE