Direct observation of rotatable uncompensated spins in the exchange bias system Co/CoO–MgO
Abstract
We have observed a large exchange bias field HE ≈ 2460 Oe and a large coercive field HC ≈ 6200 Oe at T = 2 K for Co/CoO core–shell
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* Corresponding authors
a
National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China
E-mail:
xgwan@nju.edu.cn
b Department of Physics, Jiangsu Institute of Education, Nanjing 210013, China
c
CELLS-ALBA Synchrotron Radiation Facility, Carretera BP 1413, km 3.3, E-08290 Cerdanyola del Vallès, Barcelona, Spain
E-mail:
epellegrin@cells.es
d Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, D-01187 Dresden, Germany
e Istituto di Struttura della Materia, ISM CNR, S.S. 14 km 163.5, Area Science Park Basovizza (Ts), Trieste I-34149, Italy
f Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
We have observed a large exchange bias field HE ≈ 2460 Oe and a large coercive field HC ≈ 6200 Oe at T = 2 K for Co/CoO core–shell
C. Ge, X. Wan, E. Pellegrin, Z. Hu, S. Manuel Valvidares, A. Barla, Wen-I. Liang, Y. Chu, W. Zou and Y. Du, Nanoscale, 2013, 5, 10236 DOI: 10.1039/C3NR02013D
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