1. Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
2. Logic Technology Development, Intel Corporation, Hillsboro, Oregon 97124, United States
3. Center for Materials Characterization in Oregon, University of Oregon, Eugene, Oregon 97403, United States
4. Physics Department, University at Albany, SUNY, Albany, New York 12222, United States
5. CQN Labs, Intel Corporation, Hillsboro, Oregon 97124, United States
6. Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
7. Department of Physics, University of Virginia, Charlottesville, Virginia 22904, United States