1. State University of New York Polytechnic Institute,College of Nanoscale Science and Engineering,Albany,NY,USA,12203
2. The Ohio State University,Department of Electrical and Computer Engineering,Columbus,OH,USA,43210
3. X-FAB,Lubbock,TX,USA,79415
4. North Carolina State University,PowerAmerica Institute,Raleigh,NC,USA,27695