1. Department of Materials, University of Manchester, Manchester M1 3BB, United Kingdom
2. Photon Science Institute, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
3. Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
4. The Henry Royce Institute, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
5. BioAFM Facility, Faculty of Biology, Medicine and Health, Stopford Building, University of Manchester, Oxford Road, Manchester M13 9PT, United Kingdom
6. SPECIFIC, College of Engineering, Swansea University Bay Campus, Swansea SA1 8EN, United Kingdom