Pérez-Cabero, M The role of alpha-iron and cementite phases in the growing mechanism of carbon nanotubes: a 57Fe Mössbauer spectroscopy study. [electronic resource] - Physical chemistry chemical physics : PCCP Mar 2006 - 1230-5 p. digital Publication Type: Journal Article ISSN: 1463-9076 Standard No.: 10.1039/b516243b doi