1. International Business Machines−Almaden Research Center, 650 Harry Road, San Jose, California 95110, United States
2. Center for X-ray Optics, Materials Science Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, United States
3. Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
4. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Department of Materials Science and Engineering, University of California at Berkeley, Berkeley, California 94720, United States
6. International Business Machines−Semiconductor Technology Research, 257 Fuller Road, Albany, New York 12203, United States