1. Department of Physics, University of California at Berkeley, Berkeley, California 94720, United States
2. Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
3. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
4. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
6. Geballe Laboratory for Advanced Materials, Departments of Physics and Applied Physics, Stanford University, Stanford, California 94305, United States
7. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
8. Center for Computational Materials Science, Naval Research Laboratory, Washington, D.C. 20375, United States
9. Center for Spintronics, Korea Institute of Science and Technology, Seoul 02792, Korea
10. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
11. Kavli Energy NanoScience Institute at the University of California Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
12. National Centre for Computational Design and Discovery of Novel Materials MARVEL, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland