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Front Cover: Highly Oriented Magnetic Film Composed of Ga‐Substituted ε‐Iron Oxide and the Angular Dependence of the Magnetic Hysteresis Loops (Eur. J. Inorg. Chem. 7/2018)
Author(s) -
Yoshikiyo Marie,
Namai Asuka,
Imoto Kenta,
Tokoro Hiroko,
Ohkoshi Shinichi
Publication year - 2018
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201701423
Subject(s) - orthorhombic crystal system , chemistry , hysteresis , cover (algebra) , coercivity , condensed matter physics , plane (geometry) , magnetic hysteresis , magnetization , oxide , magnetic field , crystallography , front cover , crystal structure , geometry , physics , mechanical engineering , organic chemistry , quantum mechanics , engineering , mathematics
The Front Cover shows a crystallographically oriented film based on metal‐substituted ε‐iron oxide (ε‐Ga 0.45 Fe 1.55O3 ) magnetic nanoparticles. The a ‐axis of the orthorhombic crystal structure ( Pna2 1 space group) is oriented out of the plane of the film. The angular dependence of the magnetic hysteresis loop shows a rectangular hysteresis loop with a coercive field of 9.7 kOe and a magnetization of 30.4 emu g –1 at room temperature when the external field is along the out‐of‐plane direction with respect to the plane of the film, indicating that the easy axis corresponds to the crystallographic a ‐axis. More information can be found in the Communication by H. Tokoro, S. Ohkoshi et al. For more on the story behind the cover research, see the Cover Profile .
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