1. Department of Physics, The Ohio State University. Columbus, Ohio 43210, USA
2. Quantum Measurement Division, Physical Measurement Laboratory, NIST, Gaithersburg, Maryland 20899, USA
3. Materials Measurement Science Division, Materials Measurement Laboratory, NIST, Gaithersburg, Maryland 20899, USA
4. Department of Physics, Colorado State University, Fort Collins, Colorado 80523, USA
5. Nanoscale Device Characterization Division, Physical Measurement Laboratory, NIST, Gaithersburg, Maryland 20899, USA
6. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
7. Laboratoire National des Champs Magnetiques Intenses, LNCMI-EMFL, Grenoble, France
8. Department of Physics, Astronomy, and Geosciences, Towson University, Towson, Maryland 21252, USA