1. Department of Materials, University of Oxford 1 , Oxford OX1 3PH, United Kingdom
2. Electron Physical Science Imaging Centre, Diamond Light Source Ltd 2 , Didcot OX11 0DE, United Kingdom
3. Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin 3 , Austin, Texas 78712, USA
4. Department of Mechanical Engineering, The University of Texas at Austin 4 Walker , Austin, Texas 78712, USA
5. Diamond Light Source Ltd. 5 , Didcot OX11 0DE, United Kingdom
6. Rosalind Franklin Institute, Harwell Campus 6 , Didcot OX11 0QX, United Kingdom