@article{escidoc:3189129, title = {{Niobium near-surface composition during nitrogen infusion relevant for superconducting radio-frequency cavities}}, author = {Semione, G. D. L. and Dangwal Pandey, A. and Tober, S. and Pfrommer, J. and Poulain, A. and Drnec, J. and Sch\"utz, G. and Keller, T. F. and Noei, H. and Vonk, V. and Foster, B. and Stierle, A.}, journal = {{Physical Review Accelerators and Beams}}, volume = {22}, number = {10}, publisher = {American Physical Society}, address = {Ridge, NY, USA}, year = {2019}, doi = {10.1103/PhysRevAccelBeams.22.103102} }