SR Parnell (Centre for Exploration of Energy and Matter), AL Washington (Centre for Exploration of Energy and Matter), K Li (Centre for Exploration of Energy and Matter), H Yan (Centre for Exploration of Energy and Matter), P Stonaha (Centre for Exploration of Energy and Matter), F Li (Centre for Exploration of Energy and Matter), T Wang (Centre for Exploration of Energy and Matter), A Walsh (Department of Chemistry), WC Chen (National Institute of Standards and Technology), AJ Parnell (Department of Physics and Astronomy), JPA Fairclough (Department of Mechanical Engineering), DV Baxter (Centre for Exploration of Energy and Matter), WM Snow (Centre for Exploration of Energy and Matter), R Pynn (Centre for Exploration of Energy and Matter)