[1] Department of Physics, University of Washington, Seattle,WA,98195, United States
[2] Department of Physics, Princeton University, Princeton,NJ,08544, United States
[3] National High Magnetic Field Lab, Tallahassee,FL,32310, United States
[4] Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba,305-0044, Japan
[5] Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba,305-0044, Japan
[6] Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot,76100, Israel
[7] Department of Materials Science and Engineering, University of Washington, Seattle,WA,98195, United States
[8] Department of Physics, Florida State University, Tallahassee,FL,32306, United States