[1] Sandia Natl Labs, Dept Mat Devices & Energy Technol, Albuquerque, NM 87185 USA
[2] Sandia Natl Labs, Dept Phys Based Microsyst, Albuquerque, NM 87185 USA
[3] Sandia Natl Labs, Dept Chem & Biol Syst, Albuquerque, NM 87185 USA
[4] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA
[5] Sandia Natl Labs, Dept Nanoscale Sci, Albuquerque, NM 87185 USA
[6] Sandia Natl Labs, Dept Mat Characterizat & Performance, Albuquerque, NM 87185 USA