Conduction of spin currents through insulating antiferromagnetic oxides Christian Hahn, Grégoire de Loubens, Vladimir V. Naletov, Jamal Ben Youssef, Olivier Klein and Michel Viret EPL, 108 5 (2014) 57005 Published online: 10 December 2014 DOI: 10.1209/0295-5075/108/57005