Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers
Sterwerf C, Meinert M, Arenholz E, Schmalhorst J-M, Reiss G (2016)
IEEE Transactions on Magnetics 52(7): 4800204.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Sterwerf, ChristianUniBi;
Meinert, MarkusUniBi 
;
Arenholz, Elke;
Schmalhorst, Jan-MichaelUniBi ;
Reiss, GünterUniBi
;
Arenholz, Elke;
Schmalhorst, Jan-MichaelUniBi ;
Reiss, GünterUniBi Einrichtung
Abstract / Bemerkung
Thin highly epitaxial BiFeO3 films were prepared on SrTiO3 (100) substrates by reactive magnetron cosputtering. Detailed magneto-optic Kerr effect (MOKE) measurements on BiFeO3/Co-Fe bilayers were performed to investigate the exchange bias as a function of film thicknesses and Co-Fe stoichiometries. We found a maximum exchange bias of H-eb = 92 Oe and a coercive field of H-c = 89 Oe for a 12.5 nm-thick BiFeO3 film with a 2 nm-thick Co layer. The unidirectional anisotropy is clearly visible in in-plane rotational MOKE measurements. Anisotropic magnetoresistance measurements reveal a strongly increasing coercivity with decreasing temperature, but no significant change in the exchange bias field.
Stichworte
Antiferromagnet;
BiFeO3;
exchange bias;
magnetic coupling;
magnetic;
films;
reactive sputtering
Erscheinungsjahr
2016
Zeitschriftentitel
IEEE Transactions on Magnetics
Band
52
Ausgabe
7
Art.-Nr.
4800204
ISSN
0018-9464
eISSN
1941-0069
Page URI
https://pub.uni-bielefeld.de/record/2905152
Zitieren
Sterwerf C, Meinert M, Arenholz E, Schmalhorst J-M, Reiss G. Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers. IEEE Transactions on Magnetics. 2016;52(7): 4800204.
Sterwerf, C., Meinert, M., Arenholz, E., Schmalhorst, J. - M., & Reiss, G. (2016). Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers. IEEE Transactions on Magnetics, 52(7), 4800204. doi:10.1109/TMAG.2015.2510544
Sterwerf, Christian, Meinert, Markus, Arenholz, Elke, Schmalhorst, Jan-Michael, and Reiss, Günter. 2016. “Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers”. IEEE Transactions on Magnetics 52 (7): 4800204.
Sterwerf, C., Meinert, M., Arenholz, E., Schmalhorst, J. - M., and Reiss, G. (2016). Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers. IEEE Transactions on Magnetics 52:4800204.
Sterwerf, C., et al., 2016. Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers. IEEE Transactions on Magnetics, 52(7): 4800204.
C. Sterwerf, et al., “Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers”, IEEE Transactions on Magnetics, vol. 52, 2016, : 4800204.
Sterwerf, C., Meinert, M., Arenholz, E., Schmalhorst, J.-M., Reiss, G.: Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers. IEEE Transactions on Magnetics. 52, : 4800204 (2016).
Sterwerf, Christian, Meinert, Markus, Arenholz, Elke, Schmalhorst, Jan-Michael, and Reiss, Günter. “Room Temperature Exchange Bias in BiFeO3/Co-Fe Bilayers”. IEEE Transactions on Magnetics 52.7 (2016): 4800204.
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