[1] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England
[2] Univ Manchester, Sch Mat, Manchester M13 9PL, Lancs, England
[3] Univ Manchester, Sch Chem, Manchester M13 9PL, Lancs, England
[4] Univ Manchester, Photon Sci Inst, Manchester M13 9PL, Lancs, England
[5] Univ Manchester, Sch Earth Atmospher & Environm Sci, Manchester M13 9PL, Lancs, England
[6] Univ Texas Austin, Dept Mech Engn, Austin, TX 78712 USA
[7] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA
[8] IBM Corp, TJ Watson Res Ctr, Yorktown Hts, NY USA
[9] Texas Instruments Inc, Dallas, TX 75243 USA