1. Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
2. Logic Technology Development, Intel Corporation, Hillsboro, Oregon 97124, United States
3. Institute for Functional Materials and Devices, Lehigh University, Bethlehem, Pennsylvania 18015-3027, United States
4. Laser Thermal Analysis, Inc., Charlottesville, Virginia 22902, United States
5. Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
6. Department of Physics, University of Virginia, Charlottesville, Virginia 22904, United States