Authors: Ajaya K Nayak; Julia Erika Fischer; Yan Sun; Binghai Yan; Julie Karel; Alexander C Komarek; Chandra Shekhar; Nitesh Kumar; Walter Schnelle; Jürgen Kübler; Claudia Felser; Stuart S P Parkin Journal: Sci Adv Date: 2016-04-15 Impact factor: 14.136