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Title: Compositional effects on the structure and phase transition of epitaxial FeRh thin films
Authors: Cher, K.M.
Zhou, T.J.
Chen, J.S. 
Keywords: Epitaxial growth
first-order phase transition
thin films
Issue Date: Oct-2011
Citation: Cher, K.M., Zhou, T.J., Chen, J.S. (2011-10). Compositional effects on the structure and phase transition of epitaxial FeRh thin films. IEEE Transactions on Magnetics 47 (10) : 4033-4036. ScholarBank@NUS Repository.
Abstract: Compositional and temperature dependent ferromagnetic/anti-ferromagnetic transition of highly textured Fe100-xRhx (where x = 35 to 65) thin films deposited epitaxially on MgO (001) single crystal substrates were studied. First-order transition from ferromagnetic to anti-ferromagnetic phase was observed around 48 at. % Rh where x-ray diffraction spectra revealed a sharp discontinued decrease in lattice parameter-c coupled with a sudden decrease in magnetization from 1600 to 200 emu/cm3. The transition was sharp compared to non-textured randomly oriented thin films, bearing similarities to bulk FeRh. Temperature-dependent x-ray diffraction spectra and magnetic measurements revealed the occurrence of temperature induced anti-ferromagnetic to ferromagnetic phase transitions for films with Rh content larger than 47 at. %. The temperatures at which such transitions occurred were dependent on the Rh content, and broadened with increasing amounts of Rh. © 2011 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2011.2140363
Appears in Collections:Staff Publications

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