About the Authors

Matthew A. Barrett

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Songbo Zheng

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Golnaz Roshankar

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Richard J. Alsop

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Randy K. R. Belanger

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Chris Huynh

Affiliation Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada

Norbert Kučerka

Affiliation Canadian Neutron Beam Centre, National Research Council Canada, Chalk River, Ontario, Canada

Maikel C. Rheinstädter

rheinstadter@mcmaster.ca

Affiliations Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada, Canadian Neutron Beam Centre, National Research Council Canada, Chalk River, Ontario, Canada

Competing Interests

Silicon substrates for this project were partially provided by ComDev. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MCR. Performed the experiments: MAB SZ GR RJA RKRB CH. Analyzed the data: MAB NK MCR. Contributed reagents/materials/analysis tools: MAB SZ GR RJA RKRB CH. Wrote the paper: MAB MCR.