C.P. Umbach, A.N. Broers
Applied Physics Letters
By using an ion‐pumped SEM with high brightness gun, resolution of the order of 5 nm has been demonstrated on the mineral matrix of animal bone and tooth enamel. Measurements of collagen fibril diameter have also been obtained. 1971 Blackwell Science Ltd
C.P. Umbach, A.N. Broers
Applied Physics Letters
J.R. Barnes, A.C.F. Hoole, et al.
Applied Physics Letters
A.N. Broers
Journal of Physics E: Scientific Instruments
A.N. Broers
Applied Physics Letters