[1
]
Department of Materials Science and Engineering, Center for Two-Dimensional and Layered
Materials, Pennsylvania State University , University Park, Pennsylvania 16802, United
States.
[2
]
Department of Physics, Center for Two-Dimensional and Layered Materials, Pennsylvania
State University , University Park, Pennsylvania 16802, United States.
[3
]
Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute
, Troy, New York 12180, United States.
[4
]
Center for Nanophase Materials Sciences, Oak Ridge National Laboratory , Oak Ridge,
Tennessee 37831, United States.
[5
]
Nanoscience Technology Center, Department of Materials Science and Engineering, University
of Central Florida , Orlando, Florida 32826, United States.
[6
]
Department of Mechanical Engineering and Material Science, Yale School of Engineering
and Applied Sciences , New Haven, Connecticut 06520, United States.
[7
]
Birck Nanotechnology Center & Department of ECE, Purdue University , West Lafayette,
Indiana 47907, United States.
[8
]
Department of Physics, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213,
United States.
[9
]
Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge,
Massachusetts 02139, United States.
[10
]
Center for Nanophase Materials Sciences and Computer Science & Mathematics Division,
Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States.
[11
]
Department of Physics, University of California at Berkeley , Berkeley, California
94720, United States.
[12
]
Lawrence Berkeley National Lab , Berkeley, California 94720, United States.
[13
]
Department of Materials Science & Nano Engineering, Rice University , Houston, Texas
77005, United States.
[14
]
Air Force Laboratory, Materials & Manufacturing directorate, Wright-Patterson AFB
, Dayton, Ohio 45433, United States.
[15
]
UES Inc. , Beavercreek, Ohio 45432, United States.
[16
]
Department of Electrical Engineering, Yale University , New Haven, Connecticut 06511,
United States.
[17
]
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese
Academy of Sciences , Beijing 100190, China.
[18
]
Microelectronics Research Centre, The University of Texas at Austin , Austin, Texas
78758, United States.
[19
]
Electrical and Computer Engineering Department, University of California at Santa
Barbara , Santa Barbara, California 93106, United States.
[20
]
Department of Chemistry and Materials Research Institute, Pennsylvania State University
, University Park, Pennsylvania 16802, United States.