1. Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
2. Department of Chemical Engineering, University of California, Santa Barbara, California 93106, USA
3. Materials Research Laboratory, University of California, Santa Barbara, California 93106, USA
4. Department of Materials, University of California, Santa Barbara, California 93106, USA
5. Department of Mechanical Engineering, University of California, Santa Barbara, California 93106, USA