1. School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, LondonE1 4NS, United Kingdom
2. ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Didcot, OxfordshireOX11 0QX, United Kingdom
3. Institute of Materials Research, Slovak Academy of Sciences, Kosice04001, Slovakia
4. Faculty of Science and Engineering, University of Chester, Parkgate Road, ChesterCH1 4BJ, United Kingdom
5. Virginia Diodes Inc., 979 2nd St SE #309, Charlottesville, Virginia22902, United States
6. Thomas Keating Ltd, Billingshurst, West SussexRH14 9SH, United Kingdom
7. Key Laboratory for Magnetism and Magnetic Materials of MOE, Lanzhou University, Lanzhou730000, P. R. China